xref: /minix3/external/bsd/libc++/dist/libcxx/test/numerics/c.math/cmath.pass.cpp (revision 5d5fbe79c1b60734f34c69330aec5496644e8651) 
1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <cmath>
11 
12 // NOTE: isinf and isnan are tested separately because they are expected to fail
13 // on linux. We don't want their expected failure to hide other failures in this file.
14 
15 #include <cmath>
16 #include <type_traits>
17 #include <cassert>
18 
19 #include "hexfloat.h"
20 
21 // convertible to int/float/double/etc
22 template <class T, int N=0>
23 struct Value {
24     operator T () { return T(N); }
25 };
26 
27 void test_abs()
28 {
29     static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
30     static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
31     static_assert((std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
32     assert(std::abs(-1.) == 1);
33 }
34 
35 void test_acos()
36 {
37     static_assert((std::is_same<decltype(std::acos((float)0)), float>::value), "");
38     static_assert((std::is_same<decltype(std::acos((bool)0)), double>::value), "");
39     static_assert((std::is_same<decltype(std::acos((unsigned short)0)), double>::value), "");
40     static_assert((std::is_same<decltype(std::acos((int)0)), double>::value), "");
41     static_assert((std::is_same<decltype(std::acos((unsigned int)0)), double>::value), "");
42     static_assert((std::is_same<decltype(std::acos((long)0)), double>::value), "");
43     static_assert((std::is_same<decltype(std::acos((unsigned long)0)), double>::value), "");
44     static_assert((std::is_same<decltype(std::acos((long long)0)), double>::value), "");
45     static_assert((std::is_same<decltype(std::acos((unsigned long long)0)), double>::value), "");
46     static_assert((std::is_same<decltype(std::acos((double)0)), double>::value), "");
47     static_assert((std::is_same<decltype(std::acos((long double)0)), long double>::value), "");
48     static_assert((std::is_same<decltype(std::acosf(0)), float>::value), "");
49     static_assert((std::is_same<decltype(std::acosl(0)), long double>::value), "");
50     assert(std::acos(1) == 0);
51 }
52 
53 void test_asin()
54 {
55     static_assert((std::is_same<decltype(std::asin((float)0)), float>::value), "");
56     static_assert((std::is_same<decltype(std::asin((bool)0)), double>::value), "");
57     static_assert((std::is_same<decltype(std::asin((unsigned short)0)), double>::value), "");
58     static_assert((std::is_same<decltype(std::asin((int)0)), double>::value), "");
59     static_assert((std::is_same<decltype(std::asin((unsigned int)0)), double>::value), "");
60     static_assert((std::is_same<decltype(std::asin((long)0)), double>::value), "");
61     static_assert((std::is_same<decltype(std::asin((unsigned long)0)), double>::value), "");
62     static_assert((std::is_same<decltype(std::asin((long long)0)), double>::value), "");
63     static_assert((std::is_same<decltype(std::asin((unsigned long long)0)), double>::value), "");
64     static_assert((std::is_same<decltype(std::asin((double)0)), double>::value), "");
65     static_assert((std::is_same<decltype(std::asin((long double)0)), long double>::value), "");
66     static_assert((std::is_same<decltype(std::asinf(0)), float>::value), "");
67     static_assert((std::is_same<decltype(std::asinl(0)), long double>::value), "");
68     assert(std::asin(0) == 0);
69 }
70 
71 void test_atan()
72 {
73     static_assert((std::is_same<decltype(std::atan((float)0)), float>::value), "");
74     static_assert((std::is_same<decltype(std::atan((bool)0)), double>::value), "");
75     static_assert((std::is_same<decltype(std::atan((unsigned short)0)), double>::value), "");
76     static_assert((std::is_same<decltype(std::atan((int)0)), double>::value), "");
77     static_assert((std::is_same<decltype(std::atan((unsigned int)0)), double>::value), "");
78     static_assert((std::is_same<decltype(std::atan((long)0)), double>::value), "");
79     static_assert((std::is_same<decltype(std::atan((unsigned long)0)), double>::value), "");
80     static_assert((std::is_same<decltype(std::atan((long long)0)), double>::value), "");
81     static_assert((std::is_same<decltype(std::atan((unsigned long long)0)), double>::value), "");
82     static_assert((std::is_same<decltype(std::atan((double)0)), double>::value), "");
83     static_assert((std::is_same<decltype(std::atan((long double)0)), long double>::value), "");
84     static_assert((std::is_same<decltype(std::atanf(0)), float>::value), "");
85     static_assert((std::is_same<decltype(std::atanl(0)), long double>::value), "");
86     assert(std::atan(0) == 0);
87 }
88 
89 void test_atan2()
90 {
91     static_assert((std::is_same<decltype(std::atan2((float)0, (float)0)), float>::value), "");
92     static_assert((std::is_same<decltype(std::atan2((bool)0, (float)0)), double>::value), "");
93     static_assert((std::is_same<decltype(std::atan2((unsigned short)0, (double)0)), double>::value), "");
94     static_assert((std::is_same<decltype(std::atan2((int)0, (long double)0)), long double>::value), "");
95     static_assert((std::is_same<decltype(std::atan2((float)0, (unsigned int)0)), double>::value), "");
96     static_assert((std::is_same<decltype(std::atan2((double)0, (long)0)), double>::value), "");
97     static_assert((std::is_same<decltype(std::atan2((long double)0, (unsigned long)0)), long double>::value), "");
98     static_assert((std::is_same<decltype(std::atan2((int)0, (long long)0)), double>::value), "");
99     static_assert((std::is_same<decltype(std::atan2((int)0, (unsigned long long)0)), double>::value), "");
100     static_assert((std::is_same<decltype(std::atan2((double)0, (double)0)), double>::value), "");
101     static_assert((std::is_same<decltype(std::atan2((long double)0, (long double)0)), long double>::value), "");
102     static_assert((std::is_same<decltype(std::atan2((float)0, (double)0)), double>::value), "");
103     static_assert((std::is_same<decltype(std::atan2((float)0, (long double)0)), long double>::value), "");
104     static_assert((std::is_same<decltype(std::atan2((double)0, (long double)0)), long double>::value), "");
105     static_assert((std::is_same<decltype(std::atan2f(0,0)), float>::value), "");
106     static_assert((std::is_same<decltype(std::atan2l(0,0)), long double>::value), "");
107     static_assert((std::is_same<decltype(std::atan2((int)0, (int)0)), double>::value), "");
108     assert(std::atan2(0,1) == 0);
109 }
110 
111 void test_ceil()
112 {
113     static_assert((std::is_same<decltype(std::ceil((float)0)), float>::value), "");
114     static_assert((std::is_same<decltype(std::ceil((bool)0)), double>::value), "");
115     static_assert((std::is_same<decltype(std::ceil((unsigned short)0)), double>::value), "");
116     static_assert((std::is_same<decltype(std::ceil((int)0)), double>::value), "");
117     static_assert((std::is_same<decltype(std::ceil((unsigned int)0)), double>::value), "");
118     static_assert((std::is_same<decltype(std::ceil((long)0)), double>::value), "");
119     static_assert((std::is_same<decltype(std::ceil((unsigned long)0)), double>::value), "");
120     static_assert((std::is_same<decltype(std::ceil((long long)0)), double>::value), "");
121     static_assert((std::is_same<decltype(std::ceil((unsigned long long)0)), double>::value), "");
122     static_assert((std::is_same<decltype(std::ceil((double)0)), double>::value), "");
123     static_assert((std::is_same<decltype(std::ceil((long double)0)), long double>::value), "");
124     static_assert((std::is_same<decltype(std::ceilf(0)), float>::value), "");
125     static_assert((std::is_same<decltype(std::ceill(0)), long double>::value), "");
126     assert(std::ceil(0) == 0);
127 }
128 
129 void test_cos()
130 {
131     static_assert((std::is_same<decltype(std::cos((float)0)), float>::value), "");
132     static_assert((std::is_same<decltype(std::cos((bool)0)), double>::value), "");
133     static_assert((std::is_same<decltype(std::cos((unsigned short)0)), double>::value), "");
134     static_assert((std::is_same<decltype(std::cos((int)0)), double>::value), "");
135     static_assert((std::is_same<decltype(std::cos((unsigned int)0)), double>::value), "");
136     static_assert((std::is_same<decltype(std::cos((long)0)), double>::value), "");
137     static_assert((std::is_same<decltype(std::cos((unsigned long)0)), double>::value), "");
138     static_assert((std::is_same<decltype(std::cos((long long)0)), double>::value), "");
139     static_assert((std::is_same<decltype(std::cos((unsigned long long)0)), double>::value), "");
140     static_assert((std::is_same<decltype(std::cos((double)0)), double>::value), "");
141     static_assert((std::is_same<decltype(std::cos((long double)0)), long double>::value), "");
142     static_assert((std::is_same<decltype(std::cosf(0)), float>::value), "");
143     static_assert((std::is_same<decltype(std::cosl(0)), long double>::value), "");
144     assert(std::cos(0) == 1);
145 }
146 
147 void test_cosh()
148 {
149     static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");
150     static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");
151     static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");
152     static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");
153     static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");
154     static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");
155     static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");
156     static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");
157     static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");
158     static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");
159     static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");
160     static_assert((std::is_same<decltype(std::coshf(0)), float>::value), "");
161     static_assert((std::is_same<decltype(std::coshl(0)), long double>::value), "");
162     assert(std::cosh(0) == 1);
163 }
164 
165 void test_exp()
166 {
167     static_assert((std::is_same<decltype(std::exp((float)0)), float>::value), "");
168     static_assert((std::is_same<decltype(std::exp((bool)0)), double>::value), "");
169     static_assert((std::is_same<decltype(std::exp((unsigned short)0)), double>::value), "");
170     static_assert((std::is_same<decltype(std::exp((int)0)), double>::value), "");
171     static_assert((std::is_same<decltype(std::exp((unsigned int)0)), double>::value), "");
172     static_assert((std::is_same<decltype(std::exp((long)0)), double>::value), "");
173     static_assert((std::is_same<decltype(std::exp((unsigned long)0)), double>::value), "");
174     static_assert((std::is_same<decltype(std::exp((long long)0)), double>::value), "");
175     static_assert((std::is_same<decltype(std::exp((unsigned long long)0)), double>::value), "");
176     static_assert((std::is_same<decltype(std::exp((double)0)), double>::value), "");
177     static_assert((std::is_same<decltype(std::exp((long double)0)), long double>::value), "");
178     static_assert((std::is_same<decltype(std::expf(0)), float>::value), "");
179     static_assert((std::is_same<decltype(std::expl(0)), long double>::value), "");
180     assert(std::exp(0) == 1);
181 }
182 
183 void test_fabs()
184 {
185     static_assert((std::is_same<decltype(std::fabs((float)0)), float>::value), "");
186     static_assert((std::is_same<decltype(std::fabs((bool)0)), double>::value), "");
187     static_assert((std::is_same<decltype(std::fabs((unsigned short)0)), double>::value), "");
188     static_assert((std::is_same<decltype(std::fabs((int)0)), double>::value), "");
189     static_assert((std::is_same<decltype(std::fabs((unsigned int)0)), double>::value), "");
190     static_assert((std::is_same<decltype(std::fabs((long)0)), double>::value), "");
191     static_assert((std::is_same<decltype(std::fabs((unsigned long)0)), double>::value), "");
192     static_assert((std::is_same<decltype(std::fabs((long long)0)), double>::value), "");
193     static_assert((std::is_same<decltype(std::fabs((unsigned long long)0)), double>::value), "");
194     static_assert((std::is_same<decltype(std::fabs((double)0)), double>::value), "");
195     static_assert((std::is_same<decltype(std::fabs((long double)0)), long double>::value), "");
196     static_assert((std::is_same<decltype(std::fabsf(0.0f)), float>::value), "");
197     static_assert((std::is_same<decltype(std::fabsl(0.0L)), long double>::value), "");
198     assert(std::fabs(-1) == 1);
199 }
200 
201 void test_floor()
202 {
203     static_assert((std::is_same<decltype(std::floor((float)0)), float>::value), "");
204     static_assert((std::is_same<decltype(std::floor((bool)0)), double>::value), "");
205     static_assert((std::is_same<decltype(std::floor((unsigned short)0)), double>::value), "");
206     static_assert((std::is_same<decltype(std::floor((int)0)), double>::value), "");
207     static_assert((std::is_same<decltype(std::floor((unsigned int)0)), double>::value), "");
208     static_assert((std::is_same<decltype(std::floor((long)0)), double>::value), "");
209     static_assert((std::is_same<decltype(std::floor((unsigned long)0)), double>::value), "");
210     static_assert((std::is_same<decltype(std::floor((long long)0)), double>::value), "");
211     static_assert((std::is_same<decltype(std::floor((unsigned long long)0)), double>::value), "");
212     static_assert((std::is_same<decltype(std::floor((double)0)), double>::value), "");
213     static_assert((std::is_same<decltype(std::floor((long double)0)), long double>::value), "");
214     static_assert((std::is_same<decltype(std::floorf(0)), float>::value), "");
215     static_assert((std::is_same<decltype(std::floorl(0)), long double>::value), "");
216     assert(std::floor(1) == 1);
217 }
218 
219 void test_fmod()
220 {
221     static_assert((std::is_same<decltype(std::fmod((float)0, (float)0)), float>::value), "");
222     static_assert((std::is_same<decltype(std::fmod((bool)0, (float)0)), double>::value), "");
223     static_assert((std::is_same<decltype(std::fmod((unsigned short)0, (double)0)), double>::value), "");
224     static_assert((std::is_same<decltype(std::fmod((int)0, (long double)0)), long double>::value), "");
225     static_assert((std::is_same<decltype(std::fmod((float)0, (unsigned int)0)), double>::value), "");
226     static_assert((std::is_same<decltype(std::fmod((double)0, (long)0)), double>::value), "");
227     static_assert((std::is_same<decltype(std::fmod((long double)0, (unsigned long)0)), long double>::value), "");
228     static_assert((std::is_same<decltype(std::fmod((int)0, (long long)0)), double>::value), "");
229     static_assert((std::is_same<decltype(std::fmod((int)0, (unsigned long long)0)), double>::value), "");
230     static_assert((std::is_same<decltype(std::fmod((double)0, (double)0)), double>::value), "");
231     static_assert((std::is_same<decltype(std::fmod((long double)0, (long double)0)), long double>::value), "");
232     static_assert((std::is_same<decltype(std::fmod((float)0, (double)0)), double>::value), "");
233     static_assert((std::is_same<decltype(std::fmod((float)0, (long double)0)), long double>::value), "");
234     static_assert((std::is_same<decltype(std::fmod((double)0, (long double)0)), long double>::value), "");
235     static_assert((std::is_same<decltype(std::fmodf(0,0)), float>::value), "");
236     static_assert((std::is_same<decltype(std::fmodl(0,0)), long double>::value), "");
237     static_assert((std::is_same<decltype(std::fmod((int)0, (int)0)), double>::value), "");
238     assert(std::fmod(1.5,1) == .5);
239 }
240 
241 void test_frexp()
242 {
243     int ip;
244     static_assert((std::is_same<decltype(std::frexp((float)0, &ip)), float>::value), "");
245     static_assert((std::is_same<decltype(std::frexp((bool)0, &ip)), double>::value), "");
246     static_assert((std::is_same<decltype(std::frexp((unsigned short)0, &ip)), double>::value), "");
247     static_assert((std::is_same<decltype(std::frexp((int)0, &ip)), double>::value), "");
248     static_assert((std::is_same<decltype(std::frexp((unsigned int)0, &ip)), double>::value), "");
249     static_assert((std::is_same<decltype(std::frexp((long)0, &ip)), double>::value), "");
250     static_assert((std::is_same<decltype(std::frexp((unsigned long)0, &ip)), double>::value), "");
251     static_assert((std::is_same<decltype(std::frexp((long long)0, &ip)), double>::value), "");
252     static_assert((std::is_same<decltype(std::frexp((unsigned long long)0, &ip)), double>::value), "");
253     static_assert((std::is_same<decltype(std::frexp((double)0, &ip)), double>::value), "");
254     static_assert((std::is_same<decltype(std::frexp((long double)0, &ip)), long double>::value), "");
255     static_assert((std::is_same<decltype(std::frexpf(0, &ip)), float>::value), "");
256     static_assert((std::is_same<decltype(std::frexpl(0, &ip)), long double>::value), "");
257     assert(std::frexp(0, &ip) == 0);
258 }
259 
260 void test_ldexp()
261 {
262     int ip = 1;
263     static_assert((std::is_same<decltype(std::ldexp((float)0, ip)), float>::value), "");
264     static_assert((std::is_same<decltype(std::ldexp((bool)0, ip)), double>::value), "");
265     static_assert((std::is_same<decltype(std::ldexp((unsigned short)0, ip)), double>::value), "");
266     static_assert((std::is_same<decltype(std::ldexp((int)0, ip)), double>::value), "");
267     static_assert((std::is_same<decltype(std::ldexp((unsigned int)0, ip)), double>::value), "");
268     static_assert((std::is_same<decltype(std::ldexp((long)0, ip)), double>::value), "");
269     static_assert((std::is_same<decltype(std::ldexp((unsigned long)0, ip)), double>::value), "");
270     static_assert((std::is_same<decltype(std::ldexp((long long)0, ip)), double>::value), "");
271     static_assert((std::is_same<decltype(std::ldexp((unsigned long long)0, ip)), double>::value), "");
272     static_assert((std::is_same<decltype(std::ldexp((double)0, ip)), double>::value), "");
273     static_assert((std::is_same<decltype(std::ldexp((long double)0, ip)), long double>::value), "");
274     static_assert((std::is_same<decltype(std::ldexpf(0, ip)), float>::value), "");
275     static_assert((std::is_same<decltype(std::ldexpl(0, ip)), long double>::value), "");
276     assert(std::ldexp(1, ip) == 2);
277 }
278 
279 void test_log()
280 {
281     static_assert((std::is_same<decltype(std::log((float)0)), float>::value), "");
282     static_assert((std::is_same<decltype(std::log((bool)0)), double>::value), "");
283     static_assert((std::is_same<decltype(std::log((unsigned short)0)), double>::value), "");
284     static_assert((std::is_same<decltype(std::log((int)0)), double>::value), "");
285     static_assert((std::is_same<decltype(std::log((unsigned int)0)), double>::value), "");
286     static_assert((std::is_same<decltype(std::log((long)0)), double>::value), "");
287     static_assert((std::is_same<decltype(std::log((unsigned long)0)), double>::value), "");
288     static_assert((std::is_same<decltype(std::log((long long)0)), double>::value), "");
289     static_assert((std::is_same<decltype(std::log((unsigned long long)0)), double>::value), "");
290     static_assert((std::is_same<decltype(std::log((double)0)), double>::value), "");
291     static_assert((std::is_same<decltype(std::log((long double)0)), long double>::value), "");
292     static_assert((std::is_same<decltype(std::logf(0)), float>::value), "");
293     static_assert((std::is_same<decltype(std::logl(0)), long double>::value), "");
294     assert(std::log(1) == 0);
295 }
296 
297 void test_log10()
298 {
299     static_assert((std::is_same<decltype(std::log10((float)0)), float>::value), "");
300     static_assert((std::is_same<decltype(std::log10((bool)0)), double>::value), "");
301     static_assert((std::is_same<decltype(std::log10((unsigned short)0)), double>::value), "");
302     static_assert((std::is_same<decltype(std::log10((int)0)), double>::value), "");
303     static_assert((std::is_same<decltype(std::log10((unsigned int)0)), double>::value), "");
304     static_assert((std::is_same<decltype(std::log10((long)0)), double>::value), "");
305     static_assert((std::is_same<decltype(std::log10((unsigned long)0)), double>::value), "");
306     static_assert((std::is_same<decltype(std::log10((long long)0)), double>::value), "");
307     static_assert((std::is_same<decltype(std::log10((unsigned long long)0)), double>::value), "");
308     static_assert((std::is_same<decltype(std::log10((double)0)), double>::value), "");
309     static_assert((std::is_same<decltype(std::log10((long double)0)), long double>::value), "");
310     static_assert((std::is_same<decltype(std::log10f(0)), float>::value), "");
311     static_assert((std::is_same<decltype(std::log10l(0)), long double>::value), "");
312     assert(std::log10(1) == 0);
313 }
314 
315 void test_modf()
316 {
317     static_assert((std::is_same<decltype(std::modf((float)0, (float*)0)), float>::value), "");
318     static_assert((std::is_same<decltype(std::modf((double)0, (double*)0)), double>::value), "");
319     static_assert((std::is_same<decltype(std::modf((long double)0, (long double*)0)), long double>::value), "");
320     static_assert((std::is_same<decltype(std::modff(0, (float*)0)), float>::value), "");
321     static_assert((std::is_same<decltype(std::modfl(0, (long double*)0)), long double>::value), "");
322     double i;
323     assert(std::modf(1., &i) == 0);
324 }
325 
326 void test_pow()
327 {
328     static_assert((std::is_same<decltype(std::pow((float)0, (float)0)), float>::value), "");
329     static_assert((std::is_same<decltype(std::pow((bool)0, (float)0)), double>::value), "");
330     static_assert((std::is_same<decltype(std::pow((unsigned short)0, (double)0)), double>::value), "");
331     static_assert((std::is_same<decltype(std::pow((int)0, (long double)0)), long double>::value), "");
332     static_assert((std::is_same<decltype(std::pow((float)0, (unsigned int)0)), double>::value), "");
333     static_assert((std::is_same<decltype(std::pow((double)0, (long)0)), double>::value), "");
334     static_assert((std::is_same<decltype(std::pow((long double)0, (unsigned long)0)), long double>::value), "");
335     static_assert((std::is_same<decltype(std::pow((int)0, (long long)0)), double>::value), "");
336     static_assert((std::is_same<decltype(std::pow((int)0, (unsigned long long)0)), double>::value), "");
337     static_assert((std::is_same<decltype(std::pow((double)0, (double)0)), double>::value), "");
338     static_assert((std::is_same<decltype(std::pow((long double)0, (long double)0)), long double>::value), "");
339     static_assert((std::is_same<decltype(std::pow((float)0, (double)0)), double>::value), "");
340     static_assert((std::is_same<decltype(std::pow((float)0, (long double)0)), long double>::value), "");
341     static_assert((std::is_same<decltype(std::pow((double)0, (long double)0)), long double>::value), "");
342     static_assert((std::is_same<decltype(std::powf(0,0)), float>::value), "");
343     static_assert((std::is_same<decltype(std::powl(0,0)), long double>::value), "");
344     static_assert((std::is_same<decltype(std::pow((int)0, (int)0)), double>::value), "");
345 //     static_assert((std::is_same<decltype(std::pow(Value<int>(), (int)0)), double>::value), "");
346 //     static_assert((std::is_same<decltype(std::pow(Value<long double>(), (float)0)), long double>::value), "");
347 //     static_assert((std::is_same<decltype(std::pow((float) 0, Value<float>())), float>::value), "");
348     assert(std::pow(1,1) == 1);
349 //     assert(std::pow(Value<int,1>(), Value<float,1>())  == 1);
350 //     assert(std::pow(1.0f, Value<double,1>()) == 1);
351 //     assert(std::pow(1.0, Value<int,1>()) == 1);
352 //     assert(std::pow(Value<long double,1>(), 1LL) == 1);
353 }
354 
355 void test_sin()
356 {
357     static_assert((std::is_same<decltype(std::sin((float)0)), float>::value), "");
358     static_assert((std::is_same<decltype(std::sin((bool)0)), double>::value), "");
359     static_assert((std::is_same<decltype(std::sin((unsigned short)0)), double>::value), "");
360     static_assert((std::is_same<decltype(std::sin((int)0)), double>::value), "");
361     static_assert((std::is_same<decltype(std::sin((unsigned int)0)), double>::value), "");
362     static_assert((std::is_same<decltype(std::sin((long)0)), double>::value), "");
363     static_assert((std::is_same<decltype(std::sin((unsigned long)0)), double>::value), "");
364     static_assert((std::is_same<decltype(std::sin((long long)0)), double>::value), "");
365     static_assert((std::is_same<decltype(std::sin((unsigned long long)0)), double>::value), "");
366     static_assert((std::is_same<decltype(std::sin((double)0)), double>::value), "");
367     static_assert((std::is_same<decltype(std::sin((long double)0)), long double>::value), "");
368     static_assert((std::is_same<decltype(std::sinf(0)), float>::value), "");
369     static_assert((std::is_same<decltype(std::sinl(0)), long double>::value), "");
370     assert(std::sin(0) == 0);
371 }
372 
373 void test_sinh()
374 {
375     static_assert((std::is_same<decltype(std::sinh((float)0)), float>::value), "");
376     static_assert((std::is_same<decltype(std::sinh((bool)0)), double>::value), "");
377     static_assert((std::is_same<decltype(std::sinh((unsigned short)0)), double>::value), "");
378     static_assert((std::is_same<decltype(std::sinh((int)0)), double>::value), "");
379     static_assert((std::is_same<decltype(std::sinh((unsigned int)0)), double>::value), "");
380     static_assert((std::is_same<decltype(std::sinh((long)0)), double>::value), "");
381     static_assert((std::is_same<decltype(std::sinh((unsigned long)0)), double>::value), "");
382     static_assert((std::is_same<decltype(std::sinh((long long)0)), double>::value), "");
383     static_assert((std::is_same<decltype(std::sinh((unsigned long long)0)), double>::value), "");
384     static_assert((std::is_same<decltype(std::sinh((double)0)), double>::value), "");
385     static_assert((std::is_same<decltype(std::sinh((long double)0)), long double>::value), "");
386     static_assert((std::is_same<decltype(std::sinhf(0)), float>::value), "");
387     static_assert((std::is_same<decltype(std::sinhl(0)), long double>::value), "");
388     assert(std::sinh(0) == 0);
389 }
390 
391 void test_sqrt()
392 {
393     static_assert((std::is_same<decltype(std::sqrt((float)0)), float>::value), "");
394     static_assert((std::is_same<decltype(std::sqrt((bool)0)), double>::value), "");
395     static_assert((std::is_same<decltype(std::sqrt((unsigned short)0)), double>::value), "");
396     static_assert((std::is_same<decltype(std::sqrt((int)0)), double>::value), "");
397     static_assert((std::is_same<decltype(std::sqrt((unsigned int)0)), double>::value), "");
398     static_assert((std::is_same<decltype(std::sqrt((long)0)), double>::value), "");
399     static_assert((std::is_same<decltype(std::sqrt((unsigned long)0)), double>::value), "");
400     static_assert((std::is_same<decltype(std::sqrt((long long)0)), double>::value), "");
401     static_assert((std::is_same<decltype(std::sqrt((unsigned long long)0)), double>::value), "");
402     static_assert((std::is_same<decltype(std::sqrt((double)0)), double>::value), "");
403     static_assert((std::is_same<decltype(std::sqrt((long double)0)), long double>::value), "");
404     static_assert((std::is_same<decltype(std::sqrtf(0)), float>::value), "");
405     static_assert((std::is_same<decltype(std::sqrtl(0)), long double>::value), "");
406     assert(std::sqrt(4) == 2);
407 }
408 
409 void test_tan()
410 {
411     static_assert((std::is_same<decltype(std::tan((float)0)), float>::value), "");
412     static_assert((std::is_same<decltype(std::tan((bool)0)), double>::value), "");
413     static_assert((std::is_same<decltype(std::tan((unsigned short)0)), double>::value), "");
414     static_assert((std::is_same<decltype(std::tan((int)0)), double>::value), "");
415     static_assert((std::is_same<decltype(std::tan((unsigned int)0)), double>::value), "");
416     static_assert((std::is_same<decltype(std::tan((long)0)), double>::value), "");
417     static_assert((std::is_same<decltype(std::tan((unsigned long)0)), double>::value), "");
418     static_assert((std::is_same<decltype(std::tan((long long)0)), double>::value), "");
419     static_assert((std::is_same<decltype(std::tan((unsigned long long)0)), double>::value), "");
420     static_assert((std::is_same<decltype(std::tan((double)0)), double>::value), "");
421     static_assert((std::is_same<decltype(std::tan((long double)0)), long double>::value), "");
422     static_assert((std::is_same<decltype(std::tanf(0)), float>::value), "");
423     static_assert((std::is_same<decltype(std::tanl(0)), long double>::value), "");
424     assert(std::tan(0) == 0);
425 }
426 
427 void test_tanh()
428 {
429     static_assert((std::is_same<decltype(std::tanh((float)0)), float>::value), "");
430     static_assert((std::is_same<decltype(std::tanh((bool)0)), double>::value), "");
431     static_assert((std::is_same<decltype(std::tanh((unsigned short)0)), double>::value), "");
432     static_assert((std::is_same<decltype(std::tanh((int)0)), double>::value), "");
433     static_assert((std::is_same<decltype(std::tanh((unsigned int)0)), double>::value), "");
434     static_assert((std::is_same<decltype(std::tanh((long)0)), double>::value), "");
435     static_assert((std::is_same<decltype(std::tanh((unsigned long)0)), double>::value), "");
436     static_assert((std::is_same<decltype(std::tanh((long long)0)), double>::value), "");
437     static_assert((std::is_same<decltype(std::tanh((unsigned long long)0)), double>::value), "");
438     static_assert((std::is_same<decltype(std::tanh((double)0)), double>::value), "");
439     static_assert((std::is_same<decltype(std::tanh((long double)0)), long double>::value), "");
440     static_assert((std::is_same<decltype(std::tanhf(0)), float>::value), "");
441     static_assert((std::is_same<decltype(std::tanhl(0)), long double>::value), "");
442     assert(std::tanh(0) == 0);
443 }
444 
445 void test_signbit()
446 {
447 #ifdef signbit
448 #error signbit defined
449 #endif
450     static_assert((std::is_same<decltype(std::signbit((float)0)), bool>::value), "");
451     static_assert((std::is_same<decltype(std::signbit((double)0)), bool>::value), "");
452     static_assert((std::is_same<decltype(std::signbit(0)), bool>::value), "");
453     static_assert((std::is_same<decltype(std::signbit((long double)0)), bool>::value), "");
454     assert(std::signbit(-1.0) == true);
455 }
456 
457 void test_fpclassify()
458 {
459 #ifdef fpclassify
460 #error fpclassify defined
461 #endif
462     static_assert((std::is_same<decltype(std::fpclassify((float)0)), int>::value), "");
463     static_assert((std::is_same<decltype(std::fpclassify((double)0)), int>::value), "");
464     static_assert((std::is_same<decltype(std::fpclassify(0)), int>::value), "");
465     static_assert((std::is_same<decltype(std::fpclassify((long double)0)), int>::value), "");
466     assert(std::fpclassify(-1.0) == FP_NORMAL);
467 }
468 
469 void test_isfinite()
470 {
471 #ifdef isfinite
472 #error isfinite defined
473 #endif
474     static_assert((std::is_same<decltype(std::isfinite((float)0)), bool>::value), "");
475     static_assert((std::is_same<decltype(std::isfinite((double)0)), bool>::value), "");
476     static_assert((std::is_same<decltype(std::isfinite(0)), bool>::value), "");
477     static_assert((std::is_same<decltype(std::isfinite((long double)0)), bool>::value), "");
478     assert(std::isfinite(-1.0) == true);
479 }
480 
481 void test_isnormal()
482 {
483 #ifdef isnormal
484 #error isnormal defined
485 #endif
486     static_assert((std::is_same<decltype(std::isnormal((float)0)), bool>::value), "");
487     static_assert((std::is_same<decltype(std::isnormal((double)0)), bool>::value), "");
488     static_assert((std::is_same<decltype(std::isnormal(0)), bool>::value), "");
489     static_assert((std::is_same<decltype(std::isnormal((long double)0)), bool>::value), "");
490     assert(std::isnormal(-1.0) == true);
491 }
492 
493 void test_isgreater()
494 {
495 #ifdef isgreater
496 #error isgreater defined
497 #endif
498     static_assert((std::is_same<decltype(std::isgreater((float)0, (float)0)), bool>::value), "");
499     static_assert((std::is_same<decltype(std::isgreater((float)0, (double)0)), bool>::value), "");
500     static_assert((std::is_same<decltype(std::isgreater((float)0, (long double)0)), bool>::value), "");
501     static_assert((std::is_same<decltype(std::isgreater((double)0, (float)0)), bool>::value), "");
502     static_assert((std::is_same<decltype(std::isgreater((double)0, (double)0)), bool>::value), "");
503     static_assert((std::is_same<decltype(std::isgreater(0, (double)0)), bool>::value), "");
504     static_assert((std::is_same<decltype(std::isgreater((double)0, (long double)0)), bool>::value), "");
505     static_assert((std::is_same<decltype(std::isgreater((long double)0, (float)0)), bool>::value), "");
506     static_assert((std::is_same<decltype(std::isgreater((long double)0, (double)0)), bool>::value), "");
507     static_assert((std::is_same<decltype(std::isgreater((long double)0, (long double)0)), bool>::value), "");
508     assert(std::isgreater(-1.0, 0.F) == false);
509 }
510 
511 void test_isgreaterequal()
512 {
513 #ifdef isgreaterequal
514 #error isgreaterequal defined
515 #endif
516     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (float)0)), bool>::value), "");
517     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (double)0)), bool>::value), "");
518     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (long double)0)), bool>::value), "");
519     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (float)0)), bool>::value), "");
520     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (double)0)), bool>::value), "");
521     static_assert((std::is_same<decltype(std::isgreaterequal(0, (double)0)), bool>::value), "");
522     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (long double)0)), bool>::value), "");
523     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (float)0)), bool>::value), "");
524     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (double)0)), bool>::value), "");
525     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (long double)0)), bool>::value), "");
526     assert(std::isgreaterequal(-1.0, 0.F) == false);
527 }
528 
529 void test_isless()
530 {
531 #ifdef isless
532 #error isless defined
533 #endif
534     static_assert((std::is_same<decltype(std::isless((float)0, (float)0)), bool>::value), "");
535     static_assert((std::is_same<decltype(std::isless((float)0, (double)0)), bool>::value), "");
536     static_assert((std::is_same<decltype(std::isless((float)0, (long double)0)), bool>::value), "");
537     static_assert((std::is_same<decltype(std::isless((double)0, (float)0)), bool>::value), "");
538     static_assert((std::is_same<decltype(std::isless((double)0, (double)0)), bool>::value), "");
539     static_assert((std::is_same<decltype(std::isless(0, (double)0)), bool>::value), "");
540     static_assert((std::is_same<decltype(std::isless((double)0, (long double)0)), bool>::value), "");
541     static_assert((std::is_same<decltype(std::isless((long double)0, (float)0)), bool>::value), "");
542     static_assert((std::is_same<decltype(std::isless((long double)0, (double)0)), bool>::value), "");
543     static_assert((std::is_same<decltype(std::isless((long double)0, (long double)0)), bool>::value), "");
544     assert(std::isless(-1.0, 0.F) == true);
545 }
546 
547 void test_islessequal()
548 {
549 #ifdef islessequal
550 #error islessequal defined
551 #endif
552     static_assert((std::is_same<decltype(std::islessequal((float)0, (float)0)), bool>::value), "");
553     static_assert((std::is_same<decltype(std::islessequal((float)0, (double)0)), bool>::value), "");
554     static_assert((std::is_same<decltype(std::islessequal((float)0, (long double)0)), bool>::value), "");
555     static_assert((std::is_same<decltype(std::islessequal((double)0, (float)0)), bool>::value), "");
556     static_assert((std::is_same<decltype(std::islessequal((double)0, (double)0)), bool>::value), "");
557     static_assert((std::is_same<decltype(std::islessequal(0, (double)0)), bool>::value), "");
558     static_assert((std::is_same<decltype(std::islessequal((double)0, (long double)0)), bool>::value), "");
559     static_assert((std::is_same<decltype(std::islessequal((long double)0, (float)0)), bool>::value), "");
560     static_assert((std::is_same<decltype(std::islessequal((long double)0, (double)0)), bool>::value), "");
561     static_assert((std::is_same<decltype(std::islessequal((long double)0, (long double)0)), bool>::value), "");
562     assert(std::islessequal(-1.0, 0.F) == true);
563 }
564 
565 void test_islessgreater()
566 {
567 #ifdef islessgreater
568 #error islessgreater defined
569 #endif
570     static_assert((std::is_same<decltype(std::islessgreater((float)0, (float)0)), bool>::value), "");
571     static_assert((std::is_same<decltype(std::islessgreater((float)0, (double)0)), bool>::value), "");
572     static_assert((std::is_same<decltype(std::islessgreater((float)0, (long double)0)), bool>::value), "");
573     static_assert((std::is_same<decltype(std::islessgreater((double)0, (float)0)), bool>::value), "");
574     static_assert((std::is_same<decltype(std::islessgreater((double)0, (double)0)), bool>::value), "");
575     static_assert((std::is_same<decltype(std::islessgreater(0, (double)0)), bool>::value), "");
576     static_assert((std::is_same<decltype(std::islessgreater((double)0, (long double)0)), bool>::value), "");
577     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (float)0)), bool>::value), "");
578     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (double)0)), bool>::value), "");
579     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (long double)0)), bool>::value), "");
580     assert(std::islessgreater(-1.0, 0.F) == true);
581 }
582 
583 void test_isunordered()
584 {
585 #ifdef isunordered
586 #error isunordered defined
587 #endif
588     static_assert((std::is_same<decltype(std::isunordered((float)0, (float)0)), bool>::value), "");
589     static_assert((std::is_same<decltype(std::isunordered((float)0, (double)0)), bool>::value), "");
590     static_assert((std::is_same<decltype(std::isunordered((float)0, (long double)0)), bool>::value), "");
591     static_assert((std::is_same<decltype(std::isunordered((double)0, (float)0)), bool>::value), "");
592     static_assert((std::is_same<decltype(std::isunordered((double)0, (double)0)), bool>::value), "");
593     static_assert((std::is_same<decltype(std::isunordered(0, (double)0)), bool>::value), "");
594     static_assert((std::is_same<decltype(std::isunordered((double)0, (long double)0)), bool>::value), "");
595     static_assert((std::is_same<decltype(std::isunordered((long double)0, (float)0)), bool>::value), "");
596     static_assert((std::is_same<decltype(std::isunordered((long double)0, (double)0)), bool>::value), "");
597     static_assert((std::is_same<decltype(std::isunordered((long double)0, (long double)0)), bool>::value), "");
598     assert(std::isunordered(-1.0, 0.F) == false);
599 }
600 
601 void test_acosh()
602 {
603     static_assert((std::is_same<decltype(std::acosh((float)0)), float>::value), "");
604     static_assert((std::is_same<decltype(std::acosh((bool)0)), double>::value), "");
605     static_assert((std::is_same<decltype(std::acosh((unsigned short)0)), double>::value), "");
606     static_assert((std::is_same<decltype(std::acosh((int)0)), double>::value), "");
607     static_assert((std::is_same<decltype(std::acosh((unsigned int)0)), double>::value), "");
608     static_assert((std::is_same<decltype(std::acosh((long)0)), double>::value), "");
609     static_assert((std::is_same<decltype(std::acosh((unsigned long)0)), double>::value), "");
610     static_assert((std::is_same<decltype(std::acosh((long long)0)), double>::value), "");
611     static_assert((std::is_same<decltype(std::acosh((unsigned long long)0)), double>::value), "");
612     static_assert((std::is_same<decltype(std::acosh((double)0)), double>::value), "");
613     static_assert((std::is_same<decltype(std::acosh((long double)0)), long double>::value), "");
614     static_assert((std::is_same<decltype(std::acoshf(0)), float>::value), "");
615     static_assert((std::is_same<decltype(std::acoshl(0)), long double>::value), "");
616     assert(std::acosh(1) == 0);
617 }
618 
619 void test_asinh()
620 {
621     static_assert((std::is_same<decltype(std::asinh((float)0)), float>::value), "");
622     static_assert((std::is_same<decltype(std::asinh((bool)0)), double>::value), "");
623     static_assert((std::is_same<decltype(std::asinh((unsigned short)0)), double>::value), "");
624     static_assert((std::is_same<decltype(std::asinh((int)0)), double>::value), "");
625     static_assert((std::is_same<decltype(std::asinh((unsigned int)0)), double>::value), "");
626     static_assert((std::is_same<decltype(std::asinh((long)0)), double>::value), "");
627     static_assert((std::is_same<decltype(std::asinh((unsigned long)0)), double>::value), "");
628     static_assert((std::is_same<decltype(std::asinh((long long)0)), double>::value), "");
629     static_assert((std::is_same<decltype(std::asinh((unsigned long long)0)), double>::value), "");
630     static_assert((std::is_same<decltype(std::asinh((double)0)), double>::value), "");
631     static_assert((std::is_same<decltype(std::asinh((long double)0)), long double>::value), "");
632     static_assert((std::is_same<decltype(std::asinhf(0)), float>::value), "");
633     static_assert((std::is_same<decltype(std::asinhl(0)), long double>::value), "");
634     assert(std::asinh(0) == 0);
635 }
636 
637 void test_atanh()
638 {
639     static_assert((std::is_same<decltype(std::atanh((float)0)), float>::value), "");
640     static_assert((std::is_same<decltype(std::atanh((bool)0)), double>::value), "");
641     static_assert((std::is_same<decltype(std::atanh((unsigned short)0)), double>::value), "");
642     static_assert((std::is_same<decltype(std::atanh((int)0)), double>::value), "");
643     static_assert((std::is_same<decltype(std::atanh((unsigned int)0)), double>::value), "");
644     static_assert((std::is_same<decltype(std::atanh((long)0)), double>::value), "");
645     static_assert((std::is_same<decltype(std::atanh((unsigned long)0)), double>::value), "");
646     static_assert((std::is_same<decltype(std::atanh((long long)0)), double>::value), "");
647     static_assert((std::is_same<decltype(std::atanh((unsigned long long)0)), double>::value), "");
648     static_assert((std::is_same<decltype(std::atanh((double)0)), double>::value), "");
649     static_assert((std::is_same<decltype(std::atanh((long double)0)), long double>::value), "");
650     static_assert((std::is_same<decltype(std::atanhf(0)), float>::value), "");
651     static_assert((std::is_same<decltype(std::atanhl(0)), long double>::value), "");
652     assert(std::atanh(0) == 0);
653 }
654 
655 void test_cbrt()
656 {
657     static_assert((std::is_same<decltype(std::cbrt((float)0)), float>::value), "");
658     static_assert((std::is_same<decltype(std::cbrt((bool)0)), double>::value), "");
659     static_assert((std::is_same<decltype(std::cbrt((unsigned short)0)), double>::value), "");
660     static_assert((std::is_same<decltype(std::cbrt((int)0)), double>::value), "");
661     static_assert((std::is_same<decltype(std::cbrt((unsigned int)0)), double>::value), "");
662     static_assert((std::is_same<decltype(std::cbrt((long)0)), double>::value), "");
663     static_assert((std::is_same<decltype(std::cbrt((unsigned long)0)), double>::value), "");
664     static_assert((std::is_same<decltype(std::cbrt((long long)0)), double>::value), "");
665     static_assert((std::is_same<decltype(std::cbrt((unsigned long long)0)), double>::value), "");
666     static_assert((std::is_same<decltype(std::cbrt((double)0)), double>::value), "");
667     static_assert((std::is_same<decltype(std::cbrt((long double)0)), long double>::value), "");
668     static_assert((std::is_same<decltype(std::cbrtf(0)), float>::value), "");
669     static_assert((std::is_same<decltype(std::cbrtl(0)), long double>::value), "");
670     assert(std::cbrt(1) == 1);
671 }
672 
673 void test_copysign()
674 {
675     static_assert((std::is_same<decltype(std::copysign((float)0, (float)0)), float>::value), "");
676     static_assert((std::is_same<decltype(std::copysign((bool)0, (float)0)), double>::value), "");
677     static_assert((std::is_same<decltype(std::copysign((unsigned short)0, (double)0)), double>::value), "");
678     static_assert((std::is_same<decltype(std::copysign((int)0, (long double)0)), long double>::value), "");
679     static_assert((std::is_same<decltype(std::copysign((float)0, (unsigned int)0)), double>::value), "");
680     static_assert((std::is_same<decltype(std::copysign((double)0, (long)0)), double>::value), "");
681     static_assert((std::is_same<decltype(std::copysign((long double)0, (unsigned long)0)), long double>::value), "");
682     static_assert((std::is_same<decltype(std::copysign((int)0, (long long)0)), double>::value), "");
683     static_assert((std::is_same<decltype(std::copysign((int)0, (unsigned long long)0)), double>::value), "");
684     static_assert((std::is_same<decltype(std::copysign((double)0, (double)0)), double>::value), "");
685     static_assert((std::is_same<decltype(std::copysign((long double)0, (long double)0)), long double>::value), "");
686     static_assert((std::is_same<decltype(std::copysign((float)0, (double)0)), double>::value), "");
687     static_assert((std::is_same<decltype(std::copysign((float)0, (long double)0)), long double>::value), "");
688     static_assert((std::is_same<decltype(std::copysign((double)0, (long double)0)), long double>::value), "");
689     static_assert((std::is_same<decltype(std::copysignf(0,0)), float>::value), "");
690     static_assert((std::is_same<decltype(std::copysignl(0,0)), long double>::value), "");
691     static_assert((std::is_same<decltype(std::copysign((int)0, (int)0)), double>::value), "");
692     assert(std::copysign(1,1) == 1);
693 }
694 
695 void test_erf()
696 {
697     static_assert((std::is_same<decltype(std::erf((float)0)), float>::value), "");
698     static_assert((std::is_same<decltype(std::erf((bool)0)), double>::value), "");
699     static_assert((std::is_same<decltype(std::erf((unsigned short)0)), double>::value), "");
700     static_assert((std::is_same<decltype(std::erf((int)0)), double>::value), "");
701     static_assert((std::is_same<decltype(std::erf((unsigned int)0)), double>::value), "");
702     static_assert((std::is_same<decltype(std::erf((long)0)), double>::value), "");
703     static_assert((std::is_same<decltype(std::erf((unsigned long)0)), double>::value), "");
704     static_assert((std::is_same<decltype(std::erf((long long)0)), double>::value), "");
705     static_assert((std::is_same<decltype(std::erf((unsigned long long)0)), double>::value), "");
706     static_assert((std::is_same<decltype(std::erf((double)0)), double>::value), "");
707     static_assert((std::is_same<decltype(std::erf((long double)0)), long double>::value), "");
708     static_assert((std::is_same<decltype(std::erff(0)), float>::value), "");
709     static_assert((std::is_same<decltype(std::erfl(0)), long double>::value), "");
710     assert(std::erf(0) == 0);
711 }
712 
713 void test_erfc()
714 {
715     static_assert((std::is_same<decltype(std::erfc((float)0)), float>::value), "");
716     static_assert((std::is_same<decltype(std::erfc((bool)0)), double>::value), "");
717     static_assert((std::is_same<decltype(std::erfc((unsigned short)0)), double>::value), "");
718     static_assert((std::is_same<decltype(std::erfc((int)0)), double>::value), "");
719     static_assert((std::is_same<decltype(std::erfc((unsigned int)0)), double>::value), "");
720     static_assert((std::is_same<decltype(std::erfc((long)0)), double>::value), "");
721     static_assert((std::is_same<decltype(std::erfc((unsigned long)0)), double>::value), "");
722     static_assert((std::is_same<decltype(std::erfc((long long)0)), double>::value), "");
723     static_assert((std::is_same<decltype(std::erfc((unsigned long long)0)), double>::value), "");
724     static_assert((std::is_same<decltype(std::erfc((double)0)), double>::value), "");
725     static_assert((std::is_same<decltype(std::erfc((long double)0)), long double>::value), "");
726     static_assert((std::is_same<decltype(std::erfcf(0)), float>::value), "");
727     static_assert((std::is_same<decltype(std::erfcl(0)), long double>::value), "");
728     assert(std::erfc(0) == 1);
729 }
730 
731 void test_exp2()
732 {
733     static_assert((std::is_same<decltype(std::exp2((float)0)), float>::value), "");
734     static_assert((std::is_same<decltype(std::exp2((bool)0)), double>::value), "");
735     static_assert((std::is_same<decltype(std::exp2((unsigned short)0)), double>::value), "");
736     static_assert((std::is_same<decltype(std::exp2((int)0)), double>::value), "");
737     static_assert((std::is_same<decltype(std::exp2((unsigned int)0)), double>::value), "");
738     static_assert((std::is_same<decltype(std::exp2((long)0)), double>::value), "");
739     static_assert((std::is_same<decltype(std::exp2((unsigned long)0)), double>::value), "");
740     static_assert((std::is_same<decltype(std::exp2((long long)0)), double>::value), "");
741     static_assert((std::is_same<decltype(std::exp2((unsigned long long)0)), double>::value), "");
742     static_assert((std::is_same<decltype(std::exp2((double)0)), double>::value), "");
743     static_assert((std::is_same<decltype(std::exp2((long double)0)), long double>::value), "");
744     static_assert((std::is_same<decltype(std::exp2f(0)), float>::value), "");
745     static_assert((std::is_same<decltype(std::exp2l(0)), long double>::value), "");
746     assert(std::exp2(1) == 2);
747 }
748 
749 void test_expm1()
750 {
751     static_assert((std::is_same<decltype(std::expm1((float)0)), float>::value), "");
752     static_assert((std::is_same<decltype(std::expm1((bool)0)), double>::value), "");
753     static_assert((std::is_same<decltype(std::expm1((unsigned short)0)), double>::value), "");
754     static_assert((std::is_same<decltype(std::expm1((int)0)), double>::value), "");
755     static_assert((std::is_same<decltype(std::expm1((unsigned int)0)), double>::value), "");
756     static_assert((std::is_same<decltype(std::expm1((long)0)), double>::value), "");
757     static_assert((std::is_same<decltype(std::expm1((unsigned long)0)), double>::value), "");
758     static_assert((std::is_same<decltype(std::expm1((long long)0)), double>::value), "");
759     static_assert((std::is_same<decltype(std::expm1((unsigned long long)0)), double>::value), "");
760     static_assert((std::is_same<decltype(std::expm1((double)0)), double>::value), "");
761     static_assert((std::is_same<decltype(std::expm1((long double)0)), long double>::value), "");
762     static_assert((std::is_same<decltype(std::expm1f(0)), float>::value), "");
763     static_assert((std::is_same<decltype(std::expm1l(0)), long double>::value), "");
764     assert(std::expm1(0) == 0);
765 }
766 
767 void test_fdim()
768 {
769     static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");
770     static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");
771     static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), "");
772     static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");
773     static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");
774     static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");
775     static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::value), "");
776     static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");
777     static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "");
778     static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");
779     static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::value), "");
780     static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");
781     static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "");
782     static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), "");
783     static_assert((std::is_same<decltype(std::fdimf(0,0)), float>::value), "");
784     static_assert((std::is_same<decltype(std::fdiml(0,0)), long double>::value), "");
785     static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");
786     assert(std::fdim(1,0) == 1);
787 }
788 
789 void test_fma()
790 {
791     static_assert((std::is_same<decltype(std::fma((bool)0, (float)0, (float)0)), double>::value), "");
792     static_assert((std::is_same<decltype(std::fma((char)0, (float)0, (float)0)), double>::value), "");
793     static_assert((std::is_same<decltype(std::fma((unsigned)0, (float)0, (float)0)), double>::value), "");
794     static_assert((std::is_same<decltype(std::fma((float)0, (int)0, (float)0)), double>::value), "");
795     static_assert((std::is_same<decltype(std::fma((float)0, (long)0, (float)0)), double>::value), "");
796     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
797     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (double)0)), double>::value), "");
798     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (long double)0)), long double>::value), "");
799     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (float)0)), float>::value), "");
800 
801     static_assert((std::is_same<decltype(std::fma((bool)0, (double)0, (double)0)), double>::value), "");
802     static_assert((std::is_same<decltype(std::fma((char)0, (double)0, (double)0)), double>::value), "");
803     static_assert((std::is_same<decltype(std::fma((unsigned)0, (double)0, (double)0)), double>::value), "");
804     static_assert((std::is_same<decltype(std::fma((double)0, (int)0, (double)0)), double>::value), "");
805     static_assert((std::is_same<decltype(std::fma((double)0, (long)0, (double)0)), double>::value), "");
806     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
807     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (float)0)), double>::value), "");
808     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (long double)0)), long double>::value), "");
809     static_assert((std::is_same<decltype(std::fma((double)0, (double)0,  (double)0)), double>::value), "");
810 
811     static_assert((std::is_same<decltype(std::fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
812     static_assert((std::is_same<decltype(std::fma((char)0, (long double)0, (long double)0)), long double>::value), "");
813     static_assert((std::is_same<decltype(std::fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
814     static_assert((std::is_same<decltype(std::fma((long double)0, (int)0, (long double)0)), long double>::value), "");
815     static_assert((std::is_same<decltype(std::fma((long double)0, (long)0, (long double)0)), long double>::value), "");
816     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
817     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (float)0)), long double>::value), "");
818     static_assert((std::is_same<decltype(std::fma((double)0, (long double)0, (long double)0)), long double>::value), "");
819     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
820 
821     static_assert((std::is_same<decltype(std::fmaf(0,0,0)), float>::value), "");
822     static_assert((std::is_same<decltype(std::fmal(0,0,0)), long double>::value), "");
823     assert(std::fma(1,1,1) == 2);
824 }
825 
826 void test_fmax()
827 {
828     static_assert((std::is_same<decltype(std::fmax((float)0, (float)0)), float>::value), "");
829     static_assert((std::is_same<decltype(std::fmax((bool)0, (float)0)), double>::value), "");
830     static_assert((std::is_same<decltype(std::fmax((unsigned short)0, (double)0)), double>::value), "");
831     static_assert((std::is_same<decltype(std::fmax((int)0, (long double)0)), long double>::value), "");
832     static_assert((std::is_same<decltype(std::fmax((float)0, (unsigned int)0)), double>::value), "");
833     static_assert((std::is_same<decltype(std::fmax((double)0, (long)0)), double>::value), "");
834     static_assert((std::is_same<decltype(std::fmax((long double)0, (unsigned long)0)), long double>::value), "");
835     static_assert((std::is_same<decltype(std::fmax((int)0, (long long)0)), double>::value), "");
836     static_assert((std::is_same<decltype(std::fmax((int)0, (unsigned long long)0)), double>::value), "");
837     static_assert((std::is_same<decltype(std::fmax((double)0, (double)0)), double>::value), "");
838     static_assert((std::is_same<decltype(std::fmax((long double)0, (long double)0)), long double>::value), "");
839     static_assert((std::is_same<decltype(std::fmax((float)0, (double)0)), double>::value), "");
840     static_assert((std::is_same<decltype(std::fmax((float)0, (long double)0)), long double>::value), "");
841     static_assert((std::is_same<decltype(std::fmax((double)0, (long double)0)), long double>::value), "");
842     static_assert((std::is_same<decltype(std::fmaxf(0,0)), float>::value), "");
843     static_assert((std::is_same<decltype(std::fmaxl(0,0)), long double>::value), "");
844     static_assert((std::is_same<decltype(std::fmax((int)0, (int)0)), double>::value), "");
845     assert(std::fmax(1,0) == 1);
846 }
847 
848 void test_fmin()
849 {
850     static_assert((std::is_same<decltype(std::fmin((float)0, (float)0)), float>::value), "");
851     static_assert((std::is_same<decltype(std::fmin((bool)0, (float)0)), double>::value), "");
852     static_assert((std::is_same<decltype(std::fmin((unsigned short)0, (double)0)), double>::value), "");
853     static_assert((std::is_same<decltype(std::fmin((int)0, (long double)0)), long double>::value), "");
854     static_assert((std::is_same<decltype(std::fmin((float)0, (unsigned int)0)), double>::value), "");
855     static_assert((std::is_same<decltype(std::fmin((double)0, (long)0)), double>::value), "");
856     static_assert((std::is_same<decltype(std::fmin((long double)0, (unsigned long)0)), long double>::value), "");
857     static_assert((std::is_same<decltype(std::fmin((int)0, (long long)0)), double>::value), "");
858     static_assert((std::is_same<decltype(std::fmin((int)0, (unsigned long long)0)), double>::value), "");
859     static_assert((std::is_same<decltype(std::fmin((double)0, (double)0)), double>::value), "");
860     static_assert((std::is_same<decltype(std::fmin((long double)0, (long double)0)), long double>::value), "");
861     static_assert((std::is_same<decltype(std::fmin((float)0, (double)0)), double>::value), "");
862     static_assert((std::is_same<decltype(std::fmin((float)0, (long double)0)), long double>::value), "");
863     static_assert((std::is_same<decltype(std::fmin((double)0, (long double)0)), long double>::value), "");
864     static_assert((std::is_same<decltype(std::fminf(0,0)), float>::value), "");
865     static_assert((std::is_same<decltype(std::fminl(0,0)), long double>::value), "");
866     static_assert((std::is_same<decltype(std::fmin((int)0, (int)0)), double>::value), "");
867     assert(std::fmin(1,0) == 0);
868 }
869 
870 void test_hypot()
871 {
872     static_assert((std::is_same<decltype(std::hypot((float)0, (float)0)), float>::value), "");
873     static_assert((std::is_same<decltype(std::hypot((bool)0, (float)0)), double>::value), "");
874     static_assert((std::is_same<decltype(std::hypot((unsigned short)0, (double)0)), double>::value), "");
875     static_assert((std::is_same<decltype(std::hypot((int)0, (long double)0)), long double>::value), "");
876     static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
877     static_assert((std::is_same<decltype(std::hypot((double)0, (long)0)), double>::value), "");
878     static_assert((std::is_same<decltype(std::hypot((long double)0, (unsigned long)0)), long double>::value), "");
879     static_assert((std::is_same<decltype(std::hypot((int)0, (long long)0)), double>::value), "");
880     static_assert((std::is_same<decltype(std::hypot((int)0, (unsigned long long)0)), double>::value), "");
881     static_assert((std::is_same<decltype(std::hypot((double)0, (double)0)), double>::value), "");
882     static_assert((std::is_same<decltype(std::hypot((long double)0, (long double)0)), long double>::value), "");
883     static_assert((std::is_same<decltype(std::hypot((float)0, (double)0)), double>::value), "");
884     static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0)), long double>::value), "");
885     static_assert((std::is_same<decltype(std::hypot((double)0, (long double)0)), long double>::value), "");
886     static_assert((std::is_same<decltype(std::hypotf(0,0)), float>::value), "");
887     static_assert((std::is_same<decltype(std::hypotl(0,0)), long double>::value), "");
888     static_assert((std::is_same<decltype(std::hypot((int)0, (int)0)), double>::value), "");
889     assert(std::hypot(3,4) == 5);
890 }
891 
892 void test_ilogb()
893 {
894     static_assert((std::is_same<decltype(std::ilogb((float)0)), int>::value), "");
895     static_assert((std::is_same<decltype(std::ilogb((bool)0)), int>::value), "");
896     static_assert((std::is_same<decltype(std::ilogb((unsigned short)0)), int>::value), "");
897     static_assert((std::is_same<decltype(std::ilogb((int)0)), int>::value), "");
898     static_assert((std::is_same<decltype(std::ilogb((unsigned int)0)), int>::value), "");
899     static_assert((std::is_same<decltype(std::ilogb((long)0)), int>::value), "");
900     static_assert((std::is_same<decltype(std::ilogb((unsigned long)0)), int>::value), "");
901     static_assert((std::is_same<decltype(std::ilogb((long long)0)), int>::value), "");
902     static_assert((std::is_same<decltype(std::ilogb((unsigned long long)0)), int>::value), "");
903     static_assert((std::is_same<decltype(std::ilogb((double)0)), int>::value), "");
904     static_assert((std::is_same<decltype(std::ilogb((long double)0)), int>::value), "");
905     static_assert((std::is_same<decltype(std::ilogbf(0)), int>::value), "");
906     static_assert((std::is_same<decltype(std::ilogbl(0)), int>::value), "");
907     assert(std::ilogb(1) == 0);
908 }
909 
910 void test_lgamma()
911 {
912     static_assert((std::is_same<decltype(std::lgamma((float)0)), float>::value), "");
913     static_assert((std::is_same<decltype(std::lgamma((bool)0)), double>::value), "");
914     static_assert((std::is_same<decltype(std::lgamma((unsigned short)0)), double>::value), "");
915     static_assert((std::is_same<decltype(std::lgamma((int)0)), double>::value), "");
916     static_assert((std::is_same<decltype(std::lgamma((unsigned int)0)), double>::value), "");
917     static_assert((std::is_same<decltype(std::lgamma((long)0)), double>::value), "");
918     static_assert((std::is_same<decltype(std::lgamma((unsigned long)0)), double>::value), "");
919     static_assert((std::is_same<decltype(std::lgamma((long long)0)), double>::value), "");
920     static_assert((std::is_same<decltype(std::lgamma((unsigned long long)0)), double>::value), "");
921     static_assert((std::is_same<decltype(std::lgamma((double)0)), double>::value), "");
922     static_assert((std::is_same<decltype(std::lgamma((long double)0)), long double>::value), "");
923     static_assert((std::is_same<decltype(std::lgammaf(0)), float>::value), "");
924     static_assert((std::is_same<decltype(std::lgammal(0)), long double>::value), "");
925     assert(std::lgamma(1) == 0);
926 }
927 
928 void test_llrint()
929 {
930     static_assert((std::is_same<decltype(std::llrint((float)0)), long long>::value), "");
931     static_assert((std::is_same<decltype(std::llrint((bool)0)), long long>::value), "");
932     static_assert((std::is_same<decltype(std::llrint((unsigned short)0)), long long>::value), "");
933     static_assert((std::is_same<decltype(std::llrint((int)0)), long long>::value), "");
934     static_assert((std::is_same<decltype(std::llrint((unsigned int)0)), long long>::value), "");
935     static_assert((std::is_same<decltype(std::llrint((long)0)), long long>::value), "");
936     static_assert((std::is_same<decltype(std::llrint((unsigned long)0)), long long>::value), "");
937     static_assert((std::is_same<decltype(std::llrint((long long)0)), long long>::value), "");
938     static_assert((std::is_same<decltype(std::llrint((unsigned long long)0)), long long>::value), "");
939     static_assert((std::is_same<decltype(std::llrint((double)0)), long long>::value), "");
940     static_assert((std::is_same<decltype(std::llrint((long double)0)), long long>::value), "");
941     static_assert((std::is_same<decltype(std::llrintf(0)), long long>::value), "");
942     static_assert((std::is_same<decltype(std::llrintl(0)), long long>::value), "");
943     assert(std::llrint(1) == 1LL);
944 }
945 
946 void test_llround()
947 {
948     static_assert((std::is_same<decltype(std::llround((float)0)), long long>::value), "");
949     static_assert((std::is_same<decltype(std::llround((bool)0)), long long>::value), "");
950     static_assert((std::is_same<decltype(std::llround((unsigned short)0)), long long>::value), "");
951     static_assert((std::is_same<decltype(std::llround((int)0)), long long>::value), "");
952     static_assert((std::is_same<decltype(std::llround((unsigned int)0)), long long>::value), "");
953     static_assert((std::is_same<decltype(std::llround((long)0)), long long>::value), "");
954     static_assert((std::is_same<decltype(std::llround((unsigned long)0)), long long>::value), "");
955     static_assert((std::is_same<decltype(std::llround((long long)0)), long long>::value), "");
956     static_assert((std::is_same<decltype(std::llround((unsigned long long)0)), long long>::value), "");
957     static_assert((std::is_same<decltype(std::llround((double)0)), long long>::value), "");
958     static_assert((std::is_same<decltype(std::llround((long double)0)), long long>::value), "");
959     static_assert((std::is_same<decltype(std::llroundf(0)), long long>::value), "");
960     static_assert((std::is_same<decltype(std::llroundl(0)), long long>::value), "");
961     assert(std::llround(1) == 1LL);
962 }
963 
964 void test_log1p()
965 {
966     static_assert((std::is_same<decltype(std::log1p((float)0)), float>::value), "");
967     static_assert((std::is_same<decltype(std::log1p((bool)0)), double>::value), "");
968     static_assert((std::is_same<decltype(std::log1p((unsigned short)0)), double>::value), "");
969     static_assert((std::is_same<decltype(std::log1p((int)0)), double>::value), "");
970     static_assert((std::is_same<decltype(std::log1p((unsigned int)0)), double>::value), "");
971     static_assert((std::is_same<decltype(std::log1p((long)0)), double>::value), "");
972     static_assert((std::is_same<decltype(std::log1p((unsigned long)0)), double>::value), "");
973     static_assert((std::is_same<decltype(std::log1p((long long)0)), double>::value), "");
974     static_assert((std::is_same<decltype(std::log1p((unsigned long long)0)), double>::value), "");
975     static_assert((std::is_same<decltype(std::log1p((double)0)), double>::value), "");
976     static_assert((std::is_same<decltype(std::log1p((long double)0)), long double>::value), "");
977     static_assert((std::is_same<decltype(std::log1pf(0)), float>::value), "");
978     static_assert((std::is_same<decltype(std::log1pl(0)), long double>::value), "");
979     assert(std::log1p(0) == 0);
980 }
981 
982 void test_log2()
983 {
984     static_assert((std::is_same<decltype(std::log2((float)0)), float>::value), "");
985     static_assert((std::is_same<decltype(std::log2((bool)0)), double>::value), "");
986     static_assert((std::is_same<decltype(std::log2((unsigned short)0)), double>::value), "");
987     static_assert((std::is_same<decltype(std::log2((int)0)), double>::value), "");
988     static_assert((std::is_same<decltype(std::log2((unsigned int)0)), double>::value), "");
989     static_assert((std::is_same<decltype(std::log2((long)0)), double>::value), "");
990     static_assert((std::is_same<decltype(std::log2((unsigned long)0)), double>::value), "");
991     static_assert((std::is_same<decltype(std::log2((long long)0)), double>::value), "");
992     static_assert((std::is_same<decltype(std::log2((unsigned long long)0)), double>::value), "");
993     static_assert((std::is_same<decltype(std::log2((double)0)), double>::value), "");
994     static_assert((std::is_same<decltype(std::log2((long double)0)), long double>::value), "");
995     static_assert((std::is_same<decltype(std::log2f(0)), float>::value), "");
996     static_assert((std::is_same<decltype(std::log2l(0)), long double>::value), "");
997     assert(std::log2(1) == 0);
998 }
999 
1000 void test_logb()
1001 {
1002     static_assert((std::is_same<decltype(std::logb((float)0)), float>::value), "");
1003     static_assert((std::is_same<decltype(std::logb((bool)0)), double>::value), "");
1004     static_assert((std::is_same<decltype(std::logb((unsigned short)0)), double>::value), "");
1005     static_assert((std::is_same<decltype(std::logb((int)0)), double>::value), "");
1006     static_assert((std::is_same<decltype(std::logb((unsigned int)0)), double>::value), "");
1007     static_assert((std::is_same<decltype(std::logb((long)0)), double>::value), "");
1008     static_assert((std::is_same<decltype(std::logb((unsigned long)0)), double>::value), "");
1009     static_assert((std::is_same<decltype(std::logb((long long)0)), double>::value), "");
1010     static_assert((std::is_same<decltype(std::logb((unsigned long long)0)), double>::value), "");
1011     static_assert((std::is_same<decltype(std::logb((double)0)), double>::value), "");
1012     static_assert((std::is_same<decltype(std::logb((long double)0)), long double>::value), "");
1013     static_assert((std::is_same<decltype(std::logbf(0)), float>::value), "");
1014     static_assert((std::is_same<decltype(std::logbl(0)), long double>::value), "");
1015     assert(std::logb(1) == 0);
1016 }
1017 
1018 void test_lrint()
1019 {
1020     static_assert((std::is_same<decltype(std::lrint((float)0)), long>::value), "");
1021     static_assert((std::is_same<decltype(std::lrint((bool)0)), long>::value), "");
1022     static_assert((std::is_same<decltype(std::lrint((unsigned short)0)), long>::value), "");
1023     static_assert((std::is_same<decltype(std::lrint((int)0)), long>::value), "");
1024     static_assert((std::is_same<decltype(std::lrint((unsigned int)0)), long>::value), "");
1025     static_assert((std::is_same<decltype(std::lrint((long)0)), long>::value), "");
1026     static_assert((std::is_same<decltype(std::lrint((unsigned long)0)), long>::value), "");
1027     static_assert((std::is_same<decltype(std::lrint((long long)0)), long>::value), "");
1028     static_assert((std::is_same<decltype(std::lrint((unsigned long long)0)), long>::value), "");
1029     static_assert((std::is_same<decltype(std::lrint((double)0)), long>::value), "");
1030     static_assert((std::is_same<decltype(std::lrint((long double)0)), long>::value), "");
1031     static_assert((std::is_same<decltype(std::lrintf(0)), long>::value), "");
1032     static_assert((std::is_same<decltype(std::lrintl(0)), long>::value), "");
1033     assert(std::lrint(1) == 1L);
1034 }
1035 
1036 void test_lround()
1037 {
1038     static_assert((std::is_same<decltype(std::lround((float)0)), long>::value), "");
1039     static_assert((std::is_same<decltype(std::lround((bool)0)), long>::value), "");
1040     static_assert((std::is_same<decltype(std::lround((unsigned short)0)), long>::value), "");
1041     static_assert((std::is_same<decltype(std::lround((int)0)), long>::value), "");
1042     static_assert((std::is_same<decltype(std::lround((unsigned int)0)), long>::value), "");
1043     static_assert((std::is_same<decltype(std::lround((long)0)), long>::value), "");
1044     static_assert((std::is_same<decltype(std::lround((unsigned long)0)), long>::value), "");
1045     static_assert((std::is_same<decltype(std::lround((long long)0)), long>::value), "");
1046     static_assert((std::is_same<decltype(std::lround((unsigned long long)0)), long>::value), "");
1047     static_assert((std::is_same<decltype(std::lround((double)0)), long>::value), "");
1048     static_assert((std::is_same<decltype(std::lround((long double)0)), long>::value), "");
1049     static_assert((std::is_same<decltype(std::lroundf(0)), long>::value), "");
1050     static_assert((std::is_same<decltype(std::lroundl(0)), long>::value), "");
1051     assert(std::lround(1) == 1L);
1052 }
1053 
1054 void test_nan()
1055 {
1056     static_assert((std::is_same<decltype(std::nan("")), double>::value), "");
1057     static_assert((std::is_same<decltype(std::nanf("")), float>::value), "");
1058     static_assert((std::is_same<decltype(std::nanl("")), long double>::value), "");
1059 }
1060 
1061 void test_nearbyint()
1062 {
1063     static_assert((std::is_same<decltype(std::nearbyint((float)0)), float>::value), "");
1064     static_assert((std::is_same<decltype(std::nearbyint((bool)0)), double>::value), "");
1065     static_assert((std::is_same<decltype(std::nearbyint((unsigned short)0)), double>::value), "");
1066     static_assert((std::is_same<decltype(std::nearbyint((int)0)), double>::value), "");
1067     static_assert((std::is_same<decltype(std::nearbyint((unsigned int)0)), double>::value), "");
1068     static_assert((std::is_same<decltype(std::nearbyint((long)0)), double>::value), "");
1069     static_assert((std::is_same<decltype(std::nearbyint((unsigned long)0)), double>::value), "");
1070     static_assert((std::is_same<decltype(std::nearbyint((long long)0)), double>::value), "");
1071     static_assert((std::is_same<decltype(std::nearbyint((unsigned long long)0)), double>::value), "");
1072     static_assert((std::is_same<decltype(std::nearbyint((double)0)), double>::value), "");
1073     static_assert((std::is_same<decltype(std::nearbyint((long double)0)), long double>::value), "");
1074     static_assert((std::is_same<decltype(std::nearbyintf(0)), float>::value), "");
1075     static_assert((std::is_same<decltype(std::nearbyintl(0)), long double>::value), "");
1076     assert(std::nearbyint(1) == 1);
1077 }
1078 
1079 void test_nextafter()
1080 {
1081     static_assert((std::is_same<decltype(std::nextafter((float)0, (float)0)), float>::value), "");
1082     static_assert((std::is_same<decltype(std::nextafter((bool)0, (float)0)), double>::value), "");
1083     static_assert((std::is_same<decltype(std::nextafter((unsigned short)0, (double)0)), double>::value), "");
1084     static_assert((std::is_same<decltype(std::nextafter((int)0, (long double)0)), long double>::value), "");
1085     static_assert((std::is_same<decltype(std::nextafter((float)0, (unsigned int)0)), double>::value), "");
1086     static_assert((std::is_same<decltype(std::nextafter((double)0, (long)0)), double>::value), "");
1087     static_assert((std::is_same<decltype(std::nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1088     static_assert((std::is_same<decltype(std::nextafter((int)0, (long long)0)), double>::value), "");
1089     static_assert((std::is_same<decltype(std::nextafter((int)0, (unsigned long long)0)), double>::value), "");
1090     static_assert((std::is_same<decltype(std::nextafter((double)0, (double)0)), double>::value), "");
1091     static_assert((std::is_same<decltype(std::nextafter((long double)0, (long double)0)), long double>::value), "");
1092     static_assert((std::is_same<decltype(std::nextafter((float)0, (double)0)), double>::value), "");
1093     static_assert((std::is_same<decltype(std::nextafter((float)0, (long double)0)), long double>::value), "");
1094     static_assert((std::is_same<decltype(std::nextafter((double)0, (long double)0)), long double>::value), "");
1095     static_assert((std::is_same<decltype(std::nextafterf(0,0)), float>::value), "");
1096     static_assert((std::is_same<decltype(std::nextafterl(0,0)), long double>::value), "");
1097     static_assert((std::is_same<decltype(std::nextafter((int)0, (int)0)), double>::value), "");
1098     assert(std::nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1099 }
1100 
1101 void test_nexttoward()
1102 {
1103     static_assert((std::is_same<decltype(std::nexttoward((float)0, (long double)0)), float>::value), "");
1104     static_assert((std::is_same<decltype(std::nexttoward((bool)0, (long double)0)), double>::value), "");
1105     static_assert((std::is_same<decltype(std::nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1106     static_assert((std::is_same<decltype(std::nexttoward((int)0, (long double)0)), double>::value), "");
1107     static_assert((std::is_same<decltype(std::nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1108     static_assert((std::is_same<decltype(std::nexttoward((long)0, (long double)0)), double>::value), "");
1109     static_assert((std::is_same<decltype(std::nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1110     static_assert((std::is_same<decltype(std::nexttoward((long long)0, (long double)0)), double>::value), "");
1111     static_assert((std::is_same<decltype(std::nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1112     static_assert((std::is_same<decltype(std::nexttoward((double)0, (long double)0)), double>::value), "");
1113     static_assert((std::is_same<decltype(std::nexttoward((long double)0, (long double)0)), long double>::value), "");
1114     static_assert((std::is_same<decltype(std::nexttowardf(0, (long double)0)), float>::value), "");
1115     static_assert((std::is_same<decltype(std::nexttowardl(0, (long double)0)), long double>::value), "");
1116     assert(std::nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1117 }
1118 
1119 void test_remainder()
1120 {
1121     static_assert((std::is_same<decltype(std::remainder((float)0, (float)0)), float>::value), "");
1122     static_assert((std::is_same<decltype(std::remainder((bool)0, (float)0)), double>::value), "");
1123     static_assert((std::is_same<decltype(std::remainder((unsigned short)0, (double)0)), double>::value), "");
1124     static_assert((std::is_same<decltype(std::remainder((int)0, (long double)0)), long double>::value), "");
1125     static_assert((std::is_same<decltype(std::remainder((float)0, (unsigned int)0)), double>::value), "");
1126     static_assert((std::is_same<decltype(std::remainder((double)0, (long)0)), double>::value), "");
1127     static_assert((std::is_same<decltype(std::remainder((long double)0, (unsigned long)0)), long double>::value), "");
1128     static_assert((std::is_same<decltype(std::remainder((int)0, (long long)0)), double>::value), "");
1129     static_assert((std::is_same<decltype(std::remainder((int)0, (unsigned long long)0)), double>::value), "");
1130     static_assert((std::is_same<decltype(std::remainder((double)0, (double)0)), double>::value), "");
1131     static_assert((std::is_same<decltype(std::remainder((long double)0, (long double)0)), long double>::value), "");
1132     static_assert((std::is_same<decltype(std::remainder((float)0, (double)0)), double>::value), "");
1133     static_assert((std::is_same<decltype(std::remainder((float)0, (long double)0)), long double>::value), "");
1134     static_assert((std::is_same<decltype(std::remainder((double)0, (long double)0)), long double>::value), "");
1135     static_assert((std::is_same<decltype(std::remainderf(0,0)), float>::value), "");
1136     static_assert((std::is_same<decltype(std::remainderl(0,0)), long double>::value), "");
1137     static_assert((std::is_same<decltype(std::remainder((int)0, (int)0)), double>::value), "");
1138     assert(std::remainder(0.5,1) == 0.5);
1139 }
1140 
1141 void test_remquo()
1142 {
1143     int ip;
1144     static_assert((std::is_same<decltype(std::remquo((float)0, (float)0, &ip)), float>::value), "");
1145     static_assert((std::is_same<decltype(std::remquo((bool)0, (float)0, &ip)), double>::value), "");
1146     static_assert((std::is_same<decltype(std::remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1147     static_assert((std::is_same<decltype(std::remquo((int)0, (long double)0, &ip)), long double>::value), "");
1148     static_assert((std::is_same<decltype(std::remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1149     static_assert((std::is_same<decltype(std::remquo((double)0, (long)0, &ip)), double>::value), "");
1150     static_assert((std::is_same<decltype(std::remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1151     static_assert((std::is_same<decltype(std::remquo((int)0, (long long)0, &ip)), double>::value), "");
1152     static_assert((std::is_same<decltype(std::remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1153     static_assert((std::is_same<decltype(std::remquo((double)0, (double)0, &ip)), double>::value), "");
1154     static_assert((std::is_same<decltype(std::remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1155     static_assert((std::is_same<decltype(std::remquo((float)0, (double)0, &ip)), double>::value), "");
1156     static_assert((std::is_same<decltype(std::remquo((float)0, (long double)0, &ip)), long double>::value), "");
1157     static_assert((std::is_same<decltype(std::remquo((double)0, (long double)0, &ip)), long double>::value), "");
1158     static_assert((std::is_same<decltype(std::remquof(0,0, &ip)), float>::value), "");
1159     static_assert((std::is_same<decltype(std::remquol(0,0, &ip)), long double>::value), "");
1160     static_assert((std::is_same<decltype(std::remquo((int)0, (int)0, &ip)), double>::value), "");
1161     assert(std::remquo(0.5,1, &ip) == 0.5);
1162 }
1163 
1164 void test_rint()
1165 {
1166     static_assert((std::is_same<decltype(std::rint((float)0)), float>::value), "");
1167     static_assert((std::is_same<decltype(std::rint((bool)0)), double>::value), "");
1168     static_assert((std::is_same<decltype(std::rint((unsigned short)0)), double>::value), "");
1169     static_assert((std::is_same<decltype(std::rint((int)0)), double>::value), "");
1170     static_assert((std::is_same<decltype(std::rint((unsigned int)0)), double>::value), "");
1171     static_assert((std::is_same<decltype(std::rint((long)0)), double>::value), "");
1172     static_assert((std::is_same<decltype(std::rint((unsigned long)0)), double>::value), "");
1173     static_assert((std::is_same<decltype(std::rint((long long)0)), double>::value), "");
1174     static_assert((std::is_same<decltype(std::rint((unsigned long long)0)), double>::value), "");
1175     static_assert((std::is_same<decltype(std::rint((double)0)), double>::value), "");
1176     static_assert((std::is_same<decltype(std::rint((long double)0)), long double>::value), "");
1177     static_assert((std::is_same<decltype(std::rintf(0)), float>::value), "");
1178     static_assert((std::is_same<decltype(std::rintl(0)), long double>::value), "");
1179     assert(std::rint(1) == 1);
1180 }
1181 
1182 void test_round()
1183 {
1184     static_assert((std::is_same<decltype(std::round((float)0)), float>::value), "");
1185     static_assert((std::is_same<decltype(std::round((bool)0)), double>::value), "");
1186     static_assert((std::is_same<decltype(std::round((unsigned short)0)), double>::value), "");
1187     static_assert((std::is_same<decltype(std::round((int)0)), double>::value), "");
1188     static_assert((std::is_same<decltype(std::round((unsigned int)0)), double>::value), "");
1189     static_assert((std::is_same<decltype(std::round((long)0)), double>::value), "");
1190     static_assert((std::is_same<decltype(std::round((unsigned long)0)), double>::value), "");
1191     static_assert((std::is_same<decltype(std::round((long long)0)), double>::value), "");
1192     static_assert((std::is_same<decltype(std::round((unsigned long long)0)), double>::value), "");
1193     static_assert((std::is_same<decltype(std::round((double)0)), double>::value), "");
1194     static_assert((std::is_same<decltype(std::round((long double)0)), long double>::value), "");
1195     static_assert((std::is_same<decltype(std::roundf(0)), float>::value), "");
1196     static_assert((std::is_same<decltype(std::roundl(0)), long double>::value), "");
1197     assert(std::round(1) == 1);
1198 }
1199 
1200 void test_scalbln()
1201 {
1202     static_assert((std::is_same<decltype(std::scalbln((float)0, (long)0)), float>::value), "");
1203     static_assert((std::is_same<decltype(std::scalbln((bool)0, (long)0)), double>::value), "");
1204     static_assert((std::is_same<decltype(std::scalbln((unsigned short)0, (long)0)), double>::value), "");
1205     static_assert((std::is_same<decltype(std::scalbln((int)0, (long)0)), double>::value), "");
1206     static_assert((std::is_same<decltype(std::scalbln((unsigned int)0, (long)0)), double>::value), "");
1207     static_assert((std::is_same<decltype(std::scalbln((long)0, (long)0)), double>::value), "");
1208     static_assert((std::is_same<decltype(std::scalbln((unsigned long)0, (long)0)), double>::value), "");
1209     static_assert((std::is_same<decltype(std::scalbln((long long)0, (long)0)), double>::value), "");
1210     static_assert((std::is_same<decltype(std::scalbln((unsigned long long)0, (long)0)), double>::value), "");
1211     static_assert((std::is_same<decltype(std::scalbln((double)0, (long)0)), double>::value), "");
1212     static_assert((std::is_same<decltype(std::scalbln((long double)0, (long)0)), long double>::value), "");
1213     static_assert((std::is_same<decltype(std::scalblnf(0, (long)0)), float>::value), "");
1214     static_assert((std::is_same<decltype(std::scalblnl(0, (long)0)), long double>::value), "");
1215     assert(std::scalbln(1, 1) == 2);
1216 }
1217 
1218 void test_scalbn()
1219 {
1220     static_assert((std::is_same<decltype(std::scalbn((float)0, (int)0)), float>::value), "");
1221     static_assert((std::is_same<decltype(std::scalbn((bool)0, (int)0)), double>::value), "");
1222     static_assert((std::is_same<decltype(std::scalbn((unsigned short)0, (int)0)), double>::value), "");
1223     static_assert((std::is_same<decltype(std::scalbn((int)0, (int)0)), double>::value), "");
1224     static_assert((std::is_same<decltype(std::scalbn((unsigned int)0, (int)0)), double>::value), "");
1225     static_assert((std::is_same<decltype(std::scalbn((long)0, (int)0)), double>::value), "");
1226     static_assert((std::is_same<decltype(std::scalbn((unsigned long)0, (int)0)), double>::value), "");
1227     static_assert((std::is_same<decltype(std::scalbn((long long)0, (int)0)), double>::value), "");
1228     static_assert((std::is_same<decltype(std::scalbn((unsigned long long)0, (int)0)), double>::value), "");
1229     static_assert((std::is_same<decltype(std::scalbn((double)0, (int)0)), double>::value), "");
1230     static_assert((std::is_same<decltype(std::scalbn((long double)0, (int)0)), long double>::value), "");
1231     static_assert((std::is_same<decltype(std::scalbnf(0, (int)0)), float>::value), "");
1232     static_assert((std::is_same<decltype(std::scalbnl(0, (int)0)), long double>::value), "");
1233     assert(std::scalbn(1, 1) == 2);
1234 }
1235 
1236 void test_tgamma()
1237 {
1238     static_assert((std::is_same<decltype(std::tgamma((float)0)), float>::value), "");
1239     static_assert((std::is_same<decltype(std::tgamma((bool)0)), double>::value), "");
1240     static_assert((std::is_same<decltype(std::tgamma((unsigned short)0)), double>::value), "");
1241     static_assert((std::is_same<decltype(std::tgamma((int)0)), double>::value), "");
1242     static_assert((std::is_same<decltype(std::tgamma((unsigned int)0)), double>::value), "");
1243     static_assert((std::is_same<decltype(std::tgamma((long)0)), double>::value), "");
1244     static_assert((std::is_same<decltype(std::tgamma((unsigned long)0)), double>::value), "");
1245     static_assert((std::is_same<decltype(std::tgamma((long long)0)), double>::value), "");
1246     static_assert((std::is_same<decltype(std::tgamma((unsigned long long)0)), double>::value), "");
1247     static_assert((std::is_same<decltype(std::tgamma((double)0)), double>::value), "");
1248     static_assert((std::is_same<decltype(std::tgamma((long double)0)), long double>::value), "");
1249     static_assert((std::is_same<decltype(std::tgammaf(0)), float>::value), "");
1250     static_assert((std::is_same<decltype(std::tgammal(0)), long double>::value), "");
1251     assert(std::tgamma(1) == 1);
1252 }
1253 
1254 void test_trunc()
1255 {
1256     static_assert((std::is_same<decltype(std::trunc((float)0)), float>::value), "");
1257     static_assert((std::is_same<decltype(std::trunc((bool)0)), double>::value), "");
1258     static_assert((std::is_same<decltype(std::trunc((unsigned short)0)), double>::value), "");
1259     static_assert((std::is_same<decltype(std::trunc((int)0)), double>::value), "");
1260     static_assert((std::is_same<decltype(std::trunc((unsigned int)0)), double>::value), "");
1261     static_assert((std::is_same<decltype(std::trunc((long)0)), double>::value), "");
1262     static_assert((std::is_same<decltype(std::trunc((unsigned long)0)), double>::value), "");
1263     static_assert((std::is_same<decltype(std::trunc((long long)0)), double>::value), "");
1264     static_assert((std::is_same<decltype(std::trunc((unsigned long long)0)), double>::value), "");
1265     static_assert((std::is_same<decltype(std::trunc((double)0)), double>::value), "");
1266     static_assert((std::is_same<decltype(std::trunc((long double)0)), long double>::value), "");
1267     static_assert((std::is_same<decltype(std::truncf(0)), float>::value), "");
1268     static_assert((std::is_same<decltype(std::truncl(0)), long double>::value), "");
1269     assert(std::trunc(1) == 1);
1270 }
1271 
1272 int main()
1273 {
1274     test_abs();
1275     test_acos();
1276     test_asin();
1277     test_atan();
1278     test_atan2();
1279     test_ceil();
1280     test_cos();
1281     test_cosh();
1282     test_exp();
1283     test_fabs();
1284     test_floor();
1285     test_fmod();
1286     test_frexp();
1287     test_ldexp();
1288     test_log();
1289     test_log10();
1290     test_modf();
1291     test_pow();
1292     test_sin();
1293     test_sinh();
1294     test_sqrt();
1295     test_tan();
1296     test_tanh();
1297     test_signbit();
1298     test_fpclassify();
1299     test_isfinite();
1300     test_isnormal();
1301     test_isgreater();
1302     test_isgreaterequal();
1303     test_isless();
1304     test_islessequal();
1305     test_islessgreater();
1306     test_isunordered();
1307     test_acosh();
1308     test_asinh();
1309     test_atanh();
1310     test_cbrt();
1311     test_copysign();
1312     test_erf();
1313     test_erfc();
1314     test_exp2();
1315     test_expm1();
1316     test_fdim();
1317     test_fma();
1318     test_fmax();
1319     test_fmin();
1320     test_hypot();
1321     test_ilogb();
1322     test_lgamma();
1323     test_llrint();
1324     test_llround();
1325     test_log1p();
1326     test_log2();
1327     test_logb();
1328     test_lrint();
1329     test_lround();
1330     test_nan();
1331     test_nearbyint();
1332     test_nextafter();
1333     test_nexttoward();
1334     test_remainder();
1335     test_remquo();
1336     test_rint();
1337     test_round();
1338     test_scalbln();
1339     test_scalbn();
1340     test_tgamma();
1341     test_trunc();
1342 }
1343