1 // RUN: %check_clang_tidy -check-suffix=ALL -std=c++20 %s modernize-use-std-numbers %t
2 …L,IMPRECISE -std=c++20 %s modernize-use-std-numbers %t -- -config="{CheckOptions: { modernize-use-…
4 // CHECK-FIXES-ALL: #include <numbers>
13 …[[@LINE-1]]:33: warning: prefer 'std::numbers::e' to this literal, differs by '0.00e+00' [moderniz…
14     // CHECK-FIXES-ALL: static constexpr double e = std::numbers::e;
42 …[@LINE-1]]:34: warning: prefer 'std::numbers::pi' to this literal, differs by '5.36e-08' [moderniz…  in foo()
43     // CHECK-FIXES-ALL: static constexpr double Pi = std::numbers::pi;  in foo()
46 …[[@LINE-1]]:37: warning: prefer 'std::numbers::e' to this literal, differs by '2.85e-08' [moderniz…  in foo()
47     // CHECK-FIXES-ALL: static constexpr double Euler = std::numbers::e;  in foo()
50 …[@LINE-1]]:35: warning: prefer 'std::numbers::phi' to this literal, differs by '8.87e-08' [moderni…  in foo()
51     // CHECK-FIXES-ALL: static constexpr double Phi = std::numbers::phi;  in foo()
55 …[[@LINE-1]]:49: warning: prefer 'std::numbers::pi' to this macro, differs by '5.36e-08' [modernize…  in foo()
56     // CHECK-FIXES-ALL: static constexpr double PiDefineFromMacro = std::numbers::pi;  in foo()
59 …[@LINE-1]]:35: warning: prefer 'std::numbers::pi' to this literal, differs by '1.59e-03' [moderniz…  in foo()
60     // CHECK-FIXES-IMPRECISE: static constexpr double Pi2 = std::numbers::pi;  in foo()
62 …[[@LINE-1]]:38: warning: prefer 'std::numbers::e' to this literal, differs by '8.28e-03' [moderniz…  in foo()
63     // CHECK-FIXES-IMPRECISE: static constexpr double Euler2 = std::numbers::e;  in foo()
65 …[@LINE-1]]:36: warning: prefer 'std::numbers::phi' to this literal, differs by '8.03e-03' [moderni…  in foo()
66     // CHECK-FIXES-IMPRECISE: static constexpr double Phi2 = std::numbers::phi;  in foo()
69 …1]]:35: warning: prefer 'std::numbers::pi_v<long double>' to this literal, differs by '5.36e-08' […  in foo()
70     // CHECK-FIXES-ALL: static constexpr double Pi3 = std::numbers::pi_v<long double>;  in foo()
73 …1]]:38: warning: prefer 'std::numbers::e_v<long double>' to this literal, differs by '2.85e-08' [m…  in foo()
74     // CHECK-FIXES-ALL: static constexpr double Euler3 = std::numbers::e_v<long double>;  in foo()
77 …]]:36: warning: prefer 'std::numbers::phi_v<long double>' to this literal, differs by '8.87e-08' […  in foo()
78     // CHECK-FIXES-ALL: static constexpr double Phi3 = std::numbers::phi_v<long double>;  in foo()
81 …1]]:40: warning: prefer 'std::numbers::pi_v<long double>' to this literal, differs by '5.36e-08' […  in foo()
82     // CHECK-FIXES-ALL: static constexpr long double Pi4 = std::numbers::pi_v<long double>;  in foo()
85 …1]]:43: warning: prefer 'std::numbers::e_v<long double>' to this literal, differs by '2.85e-08' [m…  in foo()
86     // CHECK-FIXES-ALL: static constexpr long double Euler4 = std::numbers::e_v<long double>;  in foo()
89 …]]:41: warning: prefer 'std::numbers::phi_v<long double>' to this literal, differs by '8.87e-08' […  in foo()
90     // CHECK-FIXES-ALL: static constexpr long double Phi4 = std::numbers::phi_v<long double>;  in foo()
93 …[[@LINE-1]]:41: warning: prefer 'std::numbers::e' to this literal, differs by '2.85e-08' [moderniz…  in foo()
94     // CHECK-FIXES-ALL: static constexpr my_double Euler5 = std::numbers::e;  in foo()
97 …[[@LINE-1]]:40: warning: prefer 'std::numbers::e' to this literal, differs by '2.85e-08' [moderniz…  in foo()
98     // CHECK-FIXES-ALL: static constexpr my_float Euler6 = std::numbers::e;  in foo()
101 …[[@LINE-1]]:38: warning: prefer 'std::numbers::e' to this literal, differs by '2.85e-08' [moderniz…  in foo()
102     // CHECK-FIXES-ALL: static constexpr int NotEuler7 = std::numbers::e;  in foo()
105 …S-ALL: :[[@LINE-1]]:37: warning: prefer 'std::numbers::inv_pi'  to this formula [modernize-use-std…  in foo()
106     // CHECK-FIXES-ALL: static constexpr double InvPi = std::numbers::inv_pi;  in foo()
110 …LL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2_v<float>'  to this formula [modernize-use…  in foo()
111     // CHECK-FIXES-ALL: std::numbers::sqrt2_v<float>;  in foo()
114 …[[@LINE-1]]:10: warning: prefer 'std::numbers::pi' to this macro, differs by '5.36e-08' [modernize…  in foo()
115     // CHECK-FIXES-ALL: sink(std::numbers::pi);  in foo()
119 …[@LINE-1]]:18: warning: prefer 'std::numbers::pi' to this literal, differs by '1.59e-03' [moderniz…  in foo()
120     // CHECK-FIXES-IMPRECISE: auto Y = X * std::numbers::pi;  in foo()
126 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in foo()
127     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in foo()
130 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in foo()
131     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in foo()
134 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in foo()
135     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in foo()
143 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in foo()
144     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in foo()
147 …SAGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in foo()
148     // CHECK-FIXES-ALL: std::numbers::e;  in foo()
151 …SAGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in foo()
152     // CHECK-FIXES-ALL: std::numbers::e;  in foo()
155 …SAGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in foo()
156     // CHECK-FIXES-ALL: std::numbers::e;  in foo()
159 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in foo()
160 …AGES-ALL: :[[@LINE-2]]:10: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in foo()
161     // CHECK-FIXES-ALL: std::numbers::log2e;  in foo()
164 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in foo()
165     // CHECK-FIXES-ALL: std::numbers::log2e;  in foo()
168 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in foo()
169     // CHECK-FIXES-ALL: std::numbers::log2e;  in foo()
172 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in foo()
173     // CHECK-FIXES-ALL: std::numbers::log2e;  in foo()
176 …ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e_v<float>' to this formula [modernize-use…  in foo()
177     // CHECK-FIXES-ALL: std::numbers::log2e_v<float>;  in foo()
182 …@LINE-1]]:18: warning: prefer 'std::numbers::log2e' to this literal, differs by '4.09e-08' [modern…  in foo()
183     // CHECK-FIXES-ALL: auto log2e = std::numbers::log2e;  in foo()
186 …ES-ALL: :[[@LINE-1]]:15: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in foo()
187     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e);  in foo()
190 …LL: :[[@LINE-1]]:15: warning: prefer 'std::numbers::log2e_v<float>' to this formula [modernize-use…  in foo()
191     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e_v<float>);  in foo()
194 …@LINE-1]]:15: warning: prefer 'std::numbers::log2e' to this literal, differs by '4.09e-08' [modern…  in foo()
195     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e);  in foo()
198 …-1]]:15: warning: prefer 'std::numbers::log2e_v<float>' to this literal, differs by '4.09e-08' [mo…  in foo()
199     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e_v<float>);  in foo()
202 …LL: :[[@LINE-1]]:15: warning: prefer 'std::numbers::log2e_v<float>' to this formula [modernize-use…  in foo()
203     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e_v<float>);  in foo()
206 …LL: :[[@LINE-1]]:15: warning: prefer 'std::numbers::log2e_v<float>' to this formula [modernize-use…  in foo()
207     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e_v<float>);  in foo()
212 …LL: :[[@LINE-1]]:32: warning: prefer 'std::numbers::log2e_v<float>' to this formula [modernize-use…  in foo()
213     // CHECK-FIXES-ALL: floatSink(static_cast<int>(std::numbers::log2e_v<float>));  in foo()
216 …-1]]:15: warning: prefer 'std::numbers::log2e_v<float>' to this literal, differs by '1.93e-08' [mo…  in foo()
217     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e_v<float>);  in foo()
220 …@LINE-1]]:15: warning: prefer 'std::numbers::log2e' to this literal, differs by '1.93e-08' [modern…  in foo()
221     // CHECK-FIXES-ALL: floatSink(std::numbers::log2e);  in foo()
224 …-1]]:32: warning: prefer 'std::numbers::log2e_v<float>' to this literal, differs by '1.93e-08' [mo…  in foo()
225     // CHECK-FIXES-ALL: floatSink(static_cast<int>(std::numbers::log2e_v<float>));  in foo()
228 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log10e' to this formula [modernize-use-std…  in foo()
229 …AGES-ALL: :[[@LINE-2]]:11: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in foo()
230     // CHECK-FIXES-ALL: std::numbers::log10e;  in foo()
233 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log10e' to this formula [modernize-use-std…  in foo()
234     // CHECK-FIXES-ALL: std::numbers::log10e;  in foo()
237 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log10e' to this formula [modernize-use-std…  in foo()
238     // CHECK-FIXES-ALL: std::numbers::log10e;  in foo()
241 …LINE-1]]:19: warning: prefer 'std::numbers::log10e' to this literal, differs by '4.82e-07' [modern…  in foo()
242     // CHECK-FIXES-ALL: auto log10e = std::numbers::log10e;  in foo()
245 …LINE-1]]:19: warning: prefer 'std::numbers::egamma' to this literal, differs by '6.49e-08' [modern…  in foo()
246     // CHECK-FIXES-ALL: auto egamma = std::numbers::egamma * 42;  in foo()
251 …ES-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_pi' to this formula [modernize-use-std…  in foo()
252     // CHECK-FIXES-ALL: sink(std::numbers::inv_pi);  in foo()
255 …-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrtpi' to this formula [modernize-use-s…  in foo()
256     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrtpi);  in foo()
259 …-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrtpi' to this formula [modernize-use-s…  in foo()
260 …[[@LINE-2]]:24: warning: prefer 'std::numbers::pi' to this macro, differs by '5.36e-08' [modernize…  in foo()
261     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrtpi);  in foo()
264 …AGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::ln2' to this formula [modernize-use-std-n…  in foo()
265     // CHECK-FIXES-ALL: std::numbers::ln2;  in foo()
268 …AGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::ln10' to this formula [modernize-use-std-…  in foo()
269     // CHECK-FIXES-ALL: std::numbers::ln10;  in foo()
272 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in foo()
273     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in foo()
276 …-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrt3' to this formula [modernize-use-st…  in foo()
277 …ES-ALL: :[[@LINE-2]]:14: warning: prefer 'std::numbers::sqrt3' to this formula [modernize-use-std-…  in foo()
278     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrt3);  in foo()
281 …S-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrt3' to this macro [modernize-use-std…  in foo()
282     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrt3);  in foo()
287 …]]:29: warning: prefer 'std::numbers::inv_sqrt3_v<float>' to this literal, differs by '1.04e-08' […  in foo()
288     // CHECK-FIXES-ALL: const auto inv_sqrt3f = std::numbers::inv_sqrt3_v<float>;  in foo()
291 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt3' to this formula [modernize-use-std-…  in foo()
292     // CHECK-FIXES-ALL: std::numbers::sqrt3;  in foo()
295 …[@LINE-1]]:20: warning: prefer 'std::numbers::phi' to this literal, differs by '8.87e-08' [moderni…  in foo()
296     // CHECK-FIXES-ALL: auto somePhi = std::numbers::phi;  in foo()
303 …GES-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::phi' to this formula [modernize-use-std-n…  in foo()
304     // CHECK-FIXES-ALL: sink(std::numbers::phi);  in foo()
307 …ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::phi_v<float>' to this formula [modernize-use-…  in foo()
308     // CHECK-FIXES-ALL: sink(std::numbers::phi_v<float>);  in foo()
316 …[@LINE-1]]:29: warning: prefer 'std::numbers::pi' to this literal, differs by '5.36e-08' [moderniz…  in baz()
317     // CHECK-FIXES-ALL: static constexpr T Pi = std::numbers::pi;  in baz()
320 …[[@LINE-1]]:32: warning: prefer 'std::numbers::e' to this literal, differs by '2.85e-08' [moderniz…  in baz()
321     // CHECK-FIXES-ALL: static constexpr T Euler = std::numbers::e;  in baz()
324 …[@LINE-1]]:30: warning: prefer 'std::numbers::phi' to this literal, differs by '8.87e-08' [moderni…  in baz()
325     // CHECK-FIXES-ALL: static constexpr T Phi = std::numbers::phi;  in baz()
329 …[[@LINE-1]]:44: warning: prefer 'std::numbers::pi' to this macro, differs by '5.36e-08' [modernize…  in baz()
330     // CHECK-FIXES-ALL: static constexpr T PiDefineFromMacro = std::numbers::pi;  in baz()
333 …[@LINE-1]]:30: warning: prefer 'std::numbers::pi' to this literal, differs by '1.59e-03' [moderniz…  in baz()
334     // CHECK-FIXES-IMPRECISE: static constexpr T Pi2 = std::numbers::pi;  in baz()
336 …[[@LINE-1]]:33: warning: prefer 'std::numbers::e' to this literal, differs by '8.28e-03' [moderniz…  in baz()
337     // CHECK-FIXES-IMPRECISE: static constexpr T Euler2 = std::numbers::e;  in baz()
339 …[@LINE-1]]:31: warning: prefer 'std::numbers::phi' to this literal, differs by '8.03e-03' [moderni…  in baz()
340     // CHECK-FIXES-IMPRECISE: static constexpr T Phi2 = std::numbers::phi;  in baz()
343 …1]]:30: warning: prefer 'std::numbers::pi_v<long double>' to this literal, differs by '5.36e-08' […  in baz()
344     // CHECK-FIXES-ALL: static constexpr T Pi3 = std::numbers::pi_v<long double>;  in baz()
347 …1]]:33: warning: prefer 'std::numbers::e_v<long double>' to this literal, differs by '2.85e-08' [m…  in baz()
348     // CHECK-FIXES-ALL: static constexpr T Euler3 = std::numbers::e_v<long double>;  in baz()
351 …]]:31: warning: prefer 'std::numbers::phi_v<long double>' to this literal, differs by '8.87e-08' […  in baz()
352     // CHECK-FIXES-ALL: static constexpr T Phi3 = std::numbers::phi_v<long double>;  in baz()
356 …ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2_v<float>' to this formula [modernize-use…  in baz()
357     // CHECK-FIXES-ALL: std::numbers::sqrt2_v<float>;  in baz()
363 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in baz()
364     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in baz()
369 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in baz()
370     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in baz()
380 …SAGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in baz()
381     // CHECK-FIXES-ALL: std::numbers::e;  in baz()
386 …SAGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in baz()
387     // CHECK-FIXES-ALL: std::numbers::e;  in baz()
390 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in baz()
391 …AGES-ALL: :[[@LINE-2]]:10: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in baz()
392     // CHECK-FIXES-ALL: std::numbers::log2e;  in baz()
397 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log2e' to this formula [modernize-use-std-…  in baz()
398     // CHECK-FIXES-ALL: std::numbers::log2e;  in baz()
401 …@LINE-1]]:15: warning: prefer 'std::numbers::log2e' to this literal, differs by '4.09e-08' [modern…  in baz()
402     // CHECK-FIXES-ALL: T log2e = std::numbers::log2e;  in baz()
405 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log10e' to this formula [modernize-use-std…  in baz()
406 …AGES-ALL: :[[@LINE-2]]:11: warning: prefer 'std::numbers::e' to this formula [modernize-use-std-nu…  in baz()
407     // CHECK-FIXES-ALL: std::numbers::log10e;  in baz()
412 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::log10e' to this formula [modernize-use-std…  in baz()
413     // CHECK-FIXES-ALL: std::numbers::log10e;  in baz()
416 …LINE-1]]:16: warning: prefer 'std::numbers::log10e' to this literal, differs by '4.82e-07' [modern…  in baz()
417     // CHECK-FIXES-ALL: T log10e = std::numbers::log10e;  in baz()
420 …LINE-1]]:16: warning: prefer 'std::numbers::egamma' to this literal, differs by '6.49e-08' [modern…  in baz()
421     // CHECK-FIXES-ALL: T egamma = std::numbers::egamma * 42;  in baz()
428 …-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrtpi' to this formula [modernize-use-s…  in baz()
429 …[[@LINE-2]]:24: warning: prefer 'std::numbers::pi' to this macro, differs by '5.36e-08' [modernize…  in baz()
430     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrtpi);  in baz()
434 …AGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::ln2' to this formula [modernize-use-std-n…  in baz()
435     // CHECK-FIXES-ALL: std::numbers::ln2;  in baz()
438 …AGES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::ln10' to this formula [modernize-use-std-…  in baz()
439     // CHECK-FIXES-ALL: std::numbers::ln10;  in baz()
442 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt2' to this formula [modernize-use-std-…  in baz()
443     // CHECK-FIXES-ALL: std::numbers::sqrt2;  in baz()
446 …-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::inv_sqrt3' to this formula [modernize-use-st…  in baz()
447 …ES-ALL: :[[@LINE-2]]:14: warning: prefer 'std::numbers::sqrt3' to this formula [modernize-use-std-…  in baz()
448     // CHECK-FIXES-ALL: sink(std::numbers::inv_sqrt3);  in baz()
451 …GES-ALL: :[[@LINE-1]]:5: warning: prefer 'std::numbers::sqrt3' to this formula [modernize-use-std-…  in baz()
452     // CHECK-FIXES-ALL: std::numbers::sqrt3;  in baz()
455 …[@LINE-1]]:13: warning: prefer 'std::numbers::phi' to this literal, differs by '8.87e-08' [moderni…  in baz()
456     // CHECK-FIXES-ALL: T phi = std::numbers::phi;  in baz()
461 …GES-ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::phi' to this formula [modernize-use-std-n…  in baz()
462     // CHECK-FIXES-ALL: sink(std::numbers::phi);  in baz()
465 …ALL: :[[@LINE-1]]:10: warning: prefer 'std::numbers::phi_v<float>' to this formula [modernize-use-…  in baz()
466     // CHECK-FIXES-ALL: sink(std::numbers::phi_v<float>);  in baz()