1 /* mpcheck-double -- compare mpc functions against "double complex"
2 from the GNU libc implementation
3
4 Copyright (C) 2020 INRIA
5
6 This file is part of GNU MPC.
7
8 GNU MPC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU Lesser General Public License as published by the
10 Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
12
13 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
16 more details.
17
18 You should have received a copy of the GNU Lesser General Public License
19 along with this program. If not, see http://www.gnu.org/licenses/ .
20 */
21
22 /* the GNU libc provides the following functions (as of 2.31),
23 with 'f' suffix for the float/binary32 version, with no suffix
24 for the double/binary64 version, with 'l' suffix for the long double
25 version, and with 'f128' suffix for the __float128 version:
26
27 cabs casinh cexp csinh
28 cacos catan clog csqrt
29 cacosh catanh clog10 ctan
30 carg ccos cpow ctanh
31 casin ccosh csin
32 */
33
34 #define _GNU_SOURCE /* for clog10 */
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <complex.h>
39 #include <sys/types.h>
40 #include <unistd.h>
41 #include <assert.h>
42 #ifdef __GNUC__
43 #include <gnu/libc-version.h>
44 #endif
45 #include "mpc.h"
46
47 #define PRECISION 53
48 #define EMAX 1024
49 #define TYPE double
50 #define SUFFIX
51
52 #define mpc_get_type mpc_get_dc
53 #define mpc_set_type mpc_set_dc
54 #define mpfr_set_type mpfr_set_d
55
56 gmp_randstate_t state;
57 mpz_t expz; /* global variable used in mpcheck_random */
58 unsigned long seed = 0;
59 int verbose = 0;
60 mpfr_exp_t emin, emax;
61
62 #include "mpcheck-common.c"
63
64 #define FOO add
65 #define CFOO(x,y) (x+y)
66 #include "mpcheck-template3.c"
67
68 #define FOO sub
69 #define CFOO(x,y) (x-y)
70 #include "mpcheck-template3.c"
71
72 #define FOO mul
73 #define CFOO(x,y) (x*y)
74 #include "mpcheck-template3.c"
75
76 #define FOO div
77 #define CFOO(x,y) (x/y)
78 #include "mpcheck-template3.c"
79
80 #define FOO pow
81 #include "mpcheck-template3.c"
82
83 #define FOO abs
84 #include "mpcheck-template2.c"
85
86 #define FOO arg
87 #include "mpcheck-template2.c"
88
89 #define FOO sqrt
90 #include "mpcheck-template1.c"
91
92 #define FOO acos
93 #include "mpcheck-template1.c"
94
95 #define FOO acosh
96 #include "mpcheck-template1.c"
97
98 #define FOO asin
99 #include "mpcheck-template1.c"
100
101 #define FOO asinh
102 #include "mpcheck-template1.c"
103
104 #define FOO atan
105 #include "mpcheck-template1.c"
106
107 #define FOO atanh
108 #include "mpcheck-template1.c"
109
110 #define FOO cos
111 #include "mpcheck-template1.c"
112
113 #define FOO cosh
114 #include "mpcheck-template1.c"
115
116 #define FOO exp
117 #include "mpcheck-template1.c"
118
119 #define FOO log
120 #include "mpcheck-template1.c"
121
122 #define FOO log10
123 #include "mpcheck-template1.c"
124
125 #define FOO sin
126 #include "mpcheck-template1.c"
127
128 #define FOO sinh
129 #include "mpcheck-template1.c"
130
131 /* use reduced exponent range for tan and tanh */
132 #define FOO_EMIN -8
133 #define FOO_EMAX 8
134
135 #define FOO tan
136 #include "mpcheck-template1.c"
137
138 #define FOO tanh
139 #include "mpcheck-template1.c"
140
141 #undef FOO_EMIN
142 #undef FOO_EMAX
143
144 int
main(int argc,char * argv[])145 main (int argc, char *argv[])
146 {
147 mpfr_prec_t p = PRECISION; /* precision of 'double' */
148 unsigned long n = 1000000; /* default number of random tests per function */
149
150 while (argc >= 2 && argv[1][0] == '-')
151 {
152 if (argc >= 3 && strcmp (argv[1], "-p") == 0)
153 {
154 p = atoi (argv[2]);
155 argc -= 2;
156 argv += 2;
157 }
158 else if (argc >= 3 && strcmp (argv[1], "-seed") == 0)
159 {
160 seed = atoi (argv[2]);
161 argc -= 2;
162 argv += 2;
163 }
164 else if (argc >= 3 && strcmp (argv[1], "-num") == 0)
165 {
166 n = atoi (argv[2]);
167 argc -= 2;
168 argv += 2;
169 }
170 else if (strcmp (argv[1], "-v") == 0)
171 {
172 verbose ++;
173 argc --;
174 argv ++;
175 }
176 else if (strcmp (argv[1], "-check") == 0)
177 {
178 recheck = 1;
179 argc --;
180 argv ++;
181 }
182 else
183 {
184 fprintf (stderr, "Unknown option %s\n", argv[1]);
185 exit (1);
186 }
187 }
188
189 /* set exponent range */
190 emin = -EMAX - PRECISION + 4; /* should be -1073 */
191 emax = EMAX;
192 mpfr_set_emin (emin);
193 mpfr_set_emax (emax);
194
195 gmp_randinit_default (state);
196 mpz_init (expz);
197
198 printf ("Using GMP %s, MPFR %s\n", gmp_version, mpfr_get_version ());
199
200 #ifdef __GNUC__
201 printf ("GNU libc version: %s\n", gnu_get_libc_version ());
202 printf ("GNU libc release: %s\n", gnu_get_libc_release ());
203 #endif
204
205 if (seed == 0)
206 seed = getpid ();
207 printf ("Using random seed %lu\n", seed);
208
209 /* (complex,complex) -> complex */
210 test_add (p, n);
211 test_sub (p, n);
212 test_mul (p, n);
213 test_div (p, n);
214 test_pow (p, n);
215
216 /* complex -> real */
217 test_abs (p, n);
218 test_arg (p, n);
219
220 /* complex -> complex */
221 test_sqrt (p, n);
222 test_acos (p, n);
223 test_acosh (p, n);
224 test_asin (p, n);
225 test_asinh (p, n);
226 test_atan (p, n);
227 test_atanh (p, n);
228 test_cos (p, n);
229 test_cosh (p, n);
230 test_exp (p, n);
231 test_log (p, n);
232 test_log10 (p, n);
233 test_sin (p, n);
234 test_sinh (p, n);
235 test_tan (p, n);
236 test_tanh (p, n);
237
238 gmp_randclear (state);
239 mpz_clear (expz);
240
241 report_maximal_errors ();
242
243 return 0;
244 }
245