2 //===---------------------------- cmath -----------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
36 math_errhandling // C99
48 floating_point abs(floating_point x);
50 floating_point acos (arithmetic x);
52 long double acosl(long double x);
54 floating_point asin (arithmetic x);
56 long double asinl(long double x);
58 floating_point atan (arithmetic x);
60 long double atanl(long double x);
62 floating_point atan2 (arithmetic y, arithmetic x);
63 float atan2f(float y, float x);
64 long double atan2l(long double y, long double x);
66 floating_point ceil (arithmetic x);
68 long double ceill(long double x);
70 floating_point cos (arithmetic x);
72 long double cosl(long double x);
74 floating_point cosh (arithmetic x);
76 long double coshl(long double x);
78 floating_point exp (arithmetic x);
80 long double expl(long double x);
82 floating_point fabs (arithmetic x);
84 long double fabsl(long double x);
86 floating_point floor (arithmetic x);
87 float floorf(float x);
88 long double floorl(long double x);
90 floating_point fmod (arithmetic x, arithmetic y);
91 float fmodf(float x, float y);
92 long double fmodl(long double x, long double y);
94 floating_point frexp (arithmetic value, int* exp);
95 float frexpf(float value, int* exp);
96 long double frexpl(long double value, int* exp);
98 floating_point ldexp (arithmetic value, int exp);
99 float ldexpf(float value, int exp);
100 long double ldexpl(long double value, int exp);
102 floating_point log (arithmetic x);
104 long double logl(long double x);
106 floating_point log10 (arithmetic x);
107 float log10f(float x);
108 long double log10l(long double x);
110 floating_point modf (floating_point value, floating_point* iptr);
111 float modff(float value, float* iptr);
112 long double modfl(long double value, long double* iptr);
114 floating_point pow (arithmetic x, arithmetic y);
115 float powf(float x, float y);
116 long double powl(long double x, long double y);
118 floating_point sin (arithmetic x);
120 long double sinl(long double x);
122 floating_point sinh (arithmetic x);
123 float sinhf(float x);
124 long double sinhl(long double x);
126 floating_point sqrt (arithmetic x);
127 float sqrtf(float x);
128 long double sqrtl(long double x);
130 floating_point tan (arithmetic x);
132 long double tanl(long double x);
134 floating_point tanh (arithmetic x);
135 float tanhf(float x);
136 long double tanhl(long double x);
140 bool signbit(floating_point x);
142 int fpclassify(floating_point x);
144 bool isfinite(floating_point x);
145 bool isinf(floating_point x);
146 bool isnan(floating_point x);
147 bool isnormal(floating_point x);
149 bool isgreater(floating_point x, floating_point y);
150 bool isgreaterequal(floating_point x, floating_point y);
151 bool isless(floating_point x, floating_point y);
152 bool islessequal(floating_point x, floating_point y);
153 bool islessgreater(floating_point x, floating_point y);
154 bool isunordered(floating_point x, floating_point y);
156 floating_point acosh (arithmetic x);
157 float acoshf(float x);
158 long double acoshl(long double x);
160 floating_point asinh (arithmetic x);
161 float asinhf(float x);
162 long double asinhl(long double x);
164 floating_point atanh (arithmetic x);
165 float atanhf(float x);
166 long double atanhl(long double x);
168 floating_point cbrt (arithmetic x);
169 float cbrtf(float x);
170 long double cbrtl(long double x);
172 floating_point copysign (arithmetic x, arithmetic y);
173 float copysignf(float x, float y);
174 long double copysignl(long double x, long double y);
176 floating_point erf (arithmetic x);
178 long double erfl(long double x);
180 floating_point erfc (arithmetic x);
181 float erfcf(float x);
182 long double erfcl(long double x);
184 floating_point exp2 (arithmetic x);
185 float exp2f(float x);
186 long double exp2l(long double x);
188 floating_point expm1 (arithmetic x);
189 float expm1f(float x);
190 long double expm1l(long double x);
192 floating_point fdim (arithmetic x, arithmetic y);
193 float fdimf(float x, float y);
194 long double fdiml(long double x, long double y);
196 floating_point fma (arithmetic x, arithmetic y, arithmetic z);
197 float fmaf(float x, float y, float z);
198 long double fmal(long double x, long double y, long double z);
200 floating_point fmax (arithmetic x, arithmetic y);
201 float fmaxf(float x, float y);
202 long double fmaxl(long double x, long double y);
204 floating_point fmin (arithmetic x, arithmetic y);
205 float fminf(float x, float y);
206 long double fminl(long double x, long double y);
208 floating_point hypot (arithmetic x, arithmetic y);
209 float hypotf(float x, float y);
210 long double hypotl(long double x, long double y);
212 int ilogb (arithmetic x);
214 int ilogbl(long double x);
216 floating_point lgamma (arithmetic x);
217 float lgammaf(float x);
218 long double lgammal(long double x);
220 long long llrint (arithmetic x);
221 long long llrintf(float x);
222 long long llrintl(long double x);
224 long long llround (arithmetic x);
225 long long llroundf(float x);
226 long long llroundl(long double x);
228 floating_point log1p (arithmetic x);
229 float log1pf(float x);
230 long double log1pl(long double x);
232 floating_point log2 (arithmetic x);
233 float log2f(float x);
234 long double log2l(long double x);
236 floating_point logb (arithmetic x);
237 float logbf(float x);
238 long double logbl(long double x);
240 long lrint (arithmetic x);
241 long lrintf(float x);
242 long lrintl(long double x);
244 long lround (arithmetic x);
245 long lroundf(float x);
246 long lroundl(long double x);
248 double nan (const char* str);
249 float nanf(const char* str);
250 long double nanl(const char* str);
252 floating_point nearbyint (arithmetic x);
253 float nearbyintf(float x);
254 long double nearbyintl(long double x);
256 floating_point nextafter (arithmetic x, arithmetic y);
257 float nextafterf(float x, float y);
258 long double nextafterl(long double x, long double y);
260 floating_point nexttoward (arithmetic x, long double y);
261 float nexttowardf(float x, long double y);
262 long double nexttowardl(long double x, long double y);
264 floating_point remainder (arithmetic x, arithmetic y);
265 float remainderf(float x, float y);
266 long double remainderl(long double x, long double y);
268 floating_point remquo (arithmetic x, arithmetic y, int* pquo);
269 float remquof(float x, float y, int* pquo);
270 long double remquol(long double x, long double y, int* pquo);
272 floating_point rint (arithmetic x);
273 float rintf(float x);
274 long double rintl(long double x);
276 floating_point round (arithmetic x);
277 float roundf(float x);
278 long double roundl(long double x);
280 floating_point scalbln (arithmetic x, long ex);
281 float scalblnf(float x, long ex);
282 long double scalblnl(long double x, long ex);
284 floating_point scalbn (arithmetic x, int ex);
285 float scalbnf(float x, int ex);
286 long double scalbnl(long double x, int ex);
288 floating_point tgamma (arithmetic x);
289 float tgammaf(float x);
290 long double tgammal(long double x);
292 floating_point trunc (arithmetic x);
293 float truncf(float x);
294 long double truncl(long double x);
302 #include <type_traits>
305 #include "support/win32/math_win32.h"
308 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
309 #pragma GCC system_header
317 _LIBCPP_ALWAYS_INLINE
319 __libcpp_signbit(_A1 __x)
327 inline _LIBCPP_INLINE_VISIBILITY
328 typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
331 return __libcpp_signbit(__x);
341 _LIBCPP_ALWAYS_INLINE
343 __libcpp_fpclassify(_A1 __x)
345 return fpclassify(__x);
351 inline _LIBCPP_INLINE_VISIBILITY
352 typename std::enable_if<std::is_floating_point<_A1>::value, int>::type
355 return __libcpp_fpclassify(__x);
365 _LIBCPP_ALWAYS_INLINE
367 __libcpp_isfinite(_A1 __x)
369 return isfinite(__x);
375 inline _LIBCPP_INLINE_VISIBILITY
376 typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
379 return __libcpp_isfinite(__x);
389 _LIBCPP_ALWAYS_INLINE
391 __libcpp_isinf(_A1 __x)
399 inline _LIBCPP_INLINE_VISIBILITY
400 typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
403 return __libcpp_isinf(__x);
413 _LIBCPP_ALWAYS_INLINE
415 __libcpp_isnan(_A1 __x)
423 inline _LIBCPP_INLINE_VISIBILITY
424 typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
427 return __libcpp_isnan(__x);
437 _LIBCPP_ALWAYS_INLINE
439 __libcpp_isnormal(_A1 __x)
441 return isnormal(__x);
447 inline _LIBCPP_INLINE_VISIBILITY
448 typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
451 return __libcpp_isnormal(__x);
460 template <class _A1, class _A2>
461 _LIBCPP_ALWAYS_INLINE
463 __libcpp_isgreater(_A1 __x, _A2 __y)
465 return isgreater(__x, __y);
470 template <class _A1, class _A2>
471 inline _LIBCPP_INLINE_VISIBILITY
472 typename std::enable_if
474 std::is_floating_point<_A1>::value &&
475 std::is_floating_point<_A2>::value,
478 isgreater(_A1 __x, _A2 __y)
480 return __libcpp_isgreater(__x, __y);
487 #ifdef isgreaterequal
489 template <class _A1, class _A2>
490 _LIBCPP_ALWAYS_INLINE
492 __libcpp_isgreaterequal(_A1 __x, _A2 __y)
494 return isgreaterequal(__x, __y);
497 #undef isgreaterequal
499 template <class _A1, class _A2>
500 inline _LIBCPP_INLINE_VISIBILITY
501 typename std::enable_if
503 std::is_floating_point<_A1>::value &&
504 std::is_floating_point<_A2>::value,
507 isgreaterequal(_A1 __x, _A2 __y)
509 return __libcpp_isgreaterequal(__x, __y);
512 #endif // isgreaterequal
518 template <class _A1, class _A2>
519 _LIBCPP_ALWAYS_INLINE
521 __libcpp_isless(_A1 __x, _A2 __y)
523 return isless(__x, __y);
528 template <class _A1, class _A2>
529 inline _LIBCPP_INLINE_VISIBILITY
530 typename std::enable_if
532 std::is_floating_point<_A1>::value &&
533 std::is_floating_point<_A2>::value,
536 isless(_A1 __x, _A2 __y)
538 return __libcpp_isless(__x, __y);
547 template <class _A1, class _A2>
548 _LIBCPP_ALWAYS_INLINE
550 __libcpp_islessequal(_A1 __x, _A2 __y)
552 return islessequal(__x, __y);
557 template <class _A1, class _A2>
558 inline _LIBCPP_INLINE_VISIBILITY
559 typename std::enable_if
561 std::is_floating_point<_A1>::value &&
562 std::is_floating_point<_A2>::value,
565 islessequal(_A1 __x, _A2 __y)
567 return __libcpp_islessequal(__x, __y);
570 #endif // islessequal
576 template <class _A1, class _A2>
577 _LIBCPP_ALWAYS_INLINE
579 __libcpp_islessgreater(_A1 __x, _A2 __y)
581 return islessgreater(__x, __y);
586 template <class _A1, class _A2>
587 inline _LIBCPP_INLINE_VISIBILITY
588 typename std::enable_if
590 std::is_floating_point<_A1>::value &&
591 std::is_floating_point<_A2>::value,
594 islessgreater(_A1 __x, _A2 __y)
596 return __libcpp_islessgreater(__x, __y);
599 #endif // islessgreater
605 template <class _A1, class _A2>
606 _LIBCPP_ALWAYS_INLINE
608 __libcpp_isunordered(_A1 __x, _A2 __y)
610 return isunordered(__x, __y);
615 template <class _A1, class _A2>
616 inline _LIBCPP_INLINE_VISIBILITY
617 typename std::enable_if
619 std::is_floating_point<_A1>::value &&
620 std::is_floating_point<_A2>::value,
623 isunordered(_A1 __x, _A2 __y)
625 return __libcpp_isunordered(__x, __y);
628 #endif // isunordered
630 _LIBCPP_BEGIN_NAMESPACE_STD
639 using ::isgreaterequal;
642 using ::islessgreater;
652 inline _LIBCPP_INLINE_VISIBILITY
653 typename enable_if<is_floating_point<_A1>::value, _A1>::type
654 abs(_A1 __x) {return fabs(__x);}
664 inline _LIBCPP_INLINE_VISIBILITY float acos(float __x) {return acosf(__x);}
665 inline _LIBCPP_INLINE_VISIBILITY long double acos(long double __x) {return acosl(__x);}
669 inline _LIBCPP_INLINE_VISIBILITY
670 typename enable_if<is_integral<_A1>::value, double>::type
671 acos(_A1 __x) {return acos((double)__x);}
679 inline _LIBCPP_INLINE_VISIBILITY float asin(float __x) {return asinf(__x);}
680 inline _LIBCPP_INLINE_VISIBILITY long double asin(long double __x) {return asinl(__x);}
684 inline _LIBCPP_INLINE_VISIBILITY
685 typename enable_if<is_integral<_A1>::value, double>::type
686 asin(_A1 __x) {return asin((double)__x);}
694 inline _LIBCPP_INLINE_VISIBILITY float atan(float __x) {return atanf(__x);}
695 inline _LIBCPP_INLINE_VISIBILITY long double atan(long double __x) {return atanl(__x);}
699 inline _LIBCPP_INLINE_VISIBILITY
700 typename enable_if<is_integral<_A1>::value, double>::type
701 atan(_A1 __x) {return atan((double)__x);}
709 inline _LIBCPP_INLINE_VISIBILITY float atan2(float __y, float __x) {return atan2f(__y, __x);}
710 inline _LIBCPP_INLINE_VISIBILITY long double atan2(long double __y, long double __x) {return atan2l(__y, __x);}
713 template <class _A1, class _A2>
714 inline _LIBCPP_INLINE_VISIBILITY
717 is_arithmetic<_A1>::value &&
718 is_arithmetic<_A2>::value,
719 typename __promote<_A1, _A2>::type
721 atan2(_A1 __y, _A2 __x)
723 typedef typename __promote<_A1, _A2>::type __result_type;
724 static_assert((!(is_same<_A1, __result_type>::value &&
725 is_same<_A2, __result_type>::value)), "");
726 return atan2((__result_type)__y, (__result_type)__x);
735 inline _LIBCPP_INLINE_VISIBILITY float ceil(float __x) {return ceilf(__x);}
736 inline _LIBCPP_INLINE_VISIBILITY long double ceil(long double __x) {return ceill(__x);}
740 inline _LIBCPP_INLINE_VISIBILITY
741 typename enable_if<is_integral<_A1>::value, double>::type
742 ceil(_A1 __x) {return ceil((double)__x);}
750 inline _LIBCPP_INLINE_VISIBILITY float cos(float __x) {return cosf(__x);}
751 inline _LIBCPP_INLINE_VISIBILITY long double cos(long double __x) {return cosl(__x);}
755 inline _LIBCPP_ALWAYS_INLINE _LIBCPP_INLINE_VISIBILITY
756 typename enable_if<is_integral<_A1>::value, double>::type
757 cos(_A1 __x) {return cos((double)__x);}
765 inline _LIBCPP_INLINE_VISIBILITY float cosh(float __x) {return coshf(__x);}
766 inline _LIBCPP_INLINE_VISIBILITY long double cosh(long double __x) {return coshl(__x);}
770 inline _LIBCPP_INLINE_VISIBILITY
771 typename enable_if<is_integral<_A1>::value, double>::type
772 cosh(_A1 __x) {return cosh((double)__x);}
783 inline _LIBCPP_INLINE_VISIBILITY float exp(float __x) {return expf(__x);}
784 inline _LIBCPP_INLINE_VISIBILITY long double exp(long double __x) {return expl(__x);}
789 inline _LIBCPP_INLINE_VISIBILITY
790 typename enable_if<is_integral<_A1>::value, double>::type
791 exp(_A1 __x) {return exp((double)__x);}
799 inline _LIBCPP_INLINE_VISIBILITY float fabs(float __x) {return fabsf(__x);}
800 inline _LIBCPP_INLINE_VISIBILITY long double fabs(long double __x) {return fabsl(__x);}
804 inline _LIBCPP_INLINE_VISIBILITY
805 typename enable_if<is_integral<_A1>::value, double>::type
806 fabs(_A1 __x) {return fabs((double)__x);}
814 inline _LIBCPP_INLINE_VISIBILITY float floor(float __x) {return floorf(__x);}
815 inline _LIBCPP_INLINE_VISIBILITY long double floor(long double __x) {return floorl(__x);}
819 inline _LIBCPP_INLINE_VISIBILITY
820 typename enable_if<is_integral<_A1>::value, double>::type
821 floor(_A1 __x) {return floor((double)__x);}
831 inline _LIBCPP_INLINE_VISIBILITY float fmod(float __x, float __y) {return fmodf(__x, __y);}
832 inline _LIBCPP_INLINE_VISIBILITY long double fmod(long double __x, long double __y) {return fmodl(__x, __y);}
835 template <class _A1, class _A2>
836 inline _LIBCPP_INLINE_VISIBILITY
839 is_arithmetic<_A1>::value &&
840 is_arithmetic<_A2>::value,
841 typename __promote<_A1, _A2>::type
843 fmod(_A1 __x, _A2 __y)
845 typedef typename __promote<_A1, _A2>::type __result_type;
846 static_assert((!(is_same<_A1, __result_type>::value &&
847 is_same<_A2, __result_type>::value)), "");
848 return fmod((__result_type)__x, (__result_type)__y);
858 inline _LIBCPP_INLINE_VISIBILITY float frexp(float __x, int* __e) {return frexpf(__x, __e);}
859 inline _LIBCPP_INLINE_VISIBILITY long double frexp(long double __x, int* __e) {return frexpl(__x, __e);}
863 inline _LIBCPP_INLINE_VISIBILITY
864 typename enable_if<is_integral<_A1>::value, double>::type
865 frexp(_A1 __x, int* __e) {return frexp((double)__x, __e);}
873 inline _LIBCPP_INLINE_VISIBILITY float ldexp(float __x, int __e) {return ldexpf(__x, __e);}
874 inline _LIBCPP_INLINE_VISIBILITY long double ldexp(long double __x, int __e) {return ldexpl(__x, __e);}
878 inline _LIBCPP_INLINE_VISIBILITY
879 typename enable_if<is_integral<_A1>::value, double>::type
880 ldexp(_A1 __x, int __e) {return ldexp((double)__x, __e);}
890 inline _LIBCPP_INLINE_VISIBILITY float log(float __x) {return logf(__x);}
891 inline _LIBCPP_INLINE_VISIBILITY long double log(long double __x) {return logl(__x);}
895 inline _LIBCPP_INLINE_VISIBILITY
896 typename enable_if<is_integral<_A1>::value, double>::type
897 log(_A1 __x) {return log((double)__x);}
906 inline _LIBCPP_INLINE_VISIBILITY float log10(float __x) {return log10f(__x);}
907 inline _LIBCPP_INLINE_VISIBILITY long double log10(long double __x) {return log10l(__x);}
911 inline _LIBCPP_INLINE_VISIBILITY
912 typename enable_if<is_integral<_A1>::value, double>::type
913 log10(_A1 __x) {return log10((double)__x);}
921 inline _LIBCPP_INLINE_VISIBILITY float modf(float __x, float* __y) {return modff(__x, __y);}
922 inline _LIBCPP_INLINE_VISIBILITY long double modf(long double __x, long double* __y) {return modfl(__x, __y);}
934 inline _LIBCPP_INLINE_VISIBILITY float pow(float __x, float __y) {return powf(__x, __y);}
935 inline _LIBCPP_INLINE_VISIBILITY long double pow(long double __x, long double __y) {return powl(__x, __y);}
938 template <class _A1, class _A2>
939 inline _LIBCPP_INLINE_VISIBILITY
942 is_arithmetic<_A1>::value &&
943 is_arithmetic<_A2>::value,
944 typename __promote<_A1, _A2>::type
946 pow(_A1 __x, _A2 __y)
948 typedef typename __promote<_A1, _A2>::type __result_type;
949 static_assert((!(is_same<_A1, __result_type>::value &&
950 is_same<_A2, __result_type>::value)), "");
951 return pow((__result_type)__x, (__result_type)__y);
961 inline _LIBCPP_INLINE_VISIBILITY float sin(float __x) {return sinf(__x);}
962 inline _LIBCPP_INLINE_VISIBILITY long double sin(long double __x) {return sinl(__x);}
966 inline _LIBCPP_INLINE_VISIBILITY
967 typename enable_if<is_integral<_A1>::value, double>::type
968 sin(_A1 __x) {return sin((double)__x);}
976 inline _LIBCPP_INLINE_VISIBILITY float sinh(float __x) {return sinhf(__x);}
977 inline _LIBCPP_INLINE_VISIBILITY long double sinh(long double __x) {return sinhl(__x);}
981 inline _LIBCPP_INLINE_VISIBILITY
982 typename enable_if<is_integral<_A1>::value, double>::type
983 sinh(_A1 __x) {return sinh((double)__x);}
992 #if !(defined(_MSC_VER) || defined(__sun__))
993 inline _LIBCPP_INLINE_VISIBILITY float sqrt(float __x) {return sqrtf(__x);}
994 inline _LIBCPP_INLINE_VISIBILITY long double sqrt(long double __x) {return sqrtl(__x);}
998 inline _LIBCPP_INLINE_VISIBILITY
999 typename enable_if<is_integral<_A1>::value, double>::type
1000 sqrt(_A1 __x) {return sqrt((double)__x);}
1009 inline _LIBCPP_INLINE_VISIBILITY float tan(float __x) {return tanf(__x);}
1010 inline _LIBCPP_INLINE_VISIBILITY long double tan(long double __x) {return tanl(__x);}
1013 template <class _A1>
1014 inline _LIBCPP_INLINE_VISIBILITY
1015 typename enable_if<is_integral<_A1>::value, double>::type
1016 tan(_A1 __x) {return tan((double)__x);}
1024 inline _LIBCPP_INLINE_VISIBILITY float tanh(float __x) {return tanhf(__x);}
1025 inline _LIBCPP_INLINE_VISIBILITY long double tanh(long double __x) {return tanhl(__x);}
1028 template <class _A1>
1029 inline _LIBCPP_INLINE_VISIBILITY
1030 typename enable_if<is_integral<_A1>::value, double>::type
1031 tanh(_A1 __x) {return tanh((double)__x);}
1039 inline _LIBCPP_INLINE_VISIBILITY float acosh(float __x) {return acoshf(__x);}
1040 inline _LIBCPP_INLINE_VISIBILITY long double acosh(long double __x) {return acoshl(__x);}
1042 template <class _A1>
1043 inline _LIBCPP_INLINE_VISIBILITY
1044 typename enable_if<is_integral<_A1>::value, double>::type
1045 acosh(_A1 __x) {return acosh((double)__x);}
1054 inline _LIBCPP_INLINE_VISIBILITY float asinh(float __x) {return asinhf(__x);}
1055 inline _LIBCPP_INLINE_VISIBILITY long double asinh(long double __x) {return asinhl(__x);}
1057 template <class _A1>
1058 inline _LIBCPP_INLINE_VISIBILITY
1059 typename enable_if<is_integral<_A1>::value, double>::type
1060 asinh(_A1 __x) {return asinh((double)__x);}
1069 inline _LIBCPP_INLINE_VISIBILITY float atanh(float __x) {return atanhf(__x);}
1070 inline _LIBCPP_INLINE_VISIBILITY long double atanh(long double __x) {return atanhl(__x);}
1072 template <class _A1>
1073 inline _LIBCPP_INLINE_VISIBILITY
1074 typename enable_if<is_integral<_A1>::value, double>::type
1075 atanh(_A1 __x) {return atanh((double)__x);}
1084 inline _LIBCPP_INLINE_VISIBILITY float cbrt(float __x) {return cbrtf(__x);}
1085 inline _LIBCPP_INLINE_VISIBILITY long double cbrt(long double __x) {return cbrtl(__x);}
1087 template <class _A1>
1088 inline _LIBCPP_INLINE_VISIBILITY
1089 typename enable_if<is_integral<_A1>::value, double>::type
1090 cbrt(_A1 __x) {return cbrt((double)__x);}
1098 inline _LIBCPP_INLINE_VISIBILITY float copysign(float __x, float __y) {return copysignf(__x, __y);}
1099 inline _LIBCPP_INLINE_VISIBILITY long double copysign(long double __x, long double __y) {return copysignl(__x, __y);}
1101 template <class _A1, class _A2>
1102 inline _LIBCPP_INLINE_VISIBILITY
1105 is_arithmetic<_A1>::value &&
1106 is_arithmetic<_A2>::value,
1107 typename __promote<_A1, _A2>::type
1109 copysign(_A1 __x, _A2 __y)
1111 typedef typename __promote<_A1, _A2>::type __result_type;
1112 static_assert((!(is_same<_A1, __result_type>::value &&
1113 is_same<_A2, __result_type>::value)), "");
1114 return copysign((__result_type)__x, (__result_type)__y);
1124 inline _LIBCPP_INLINE_VISIBILITY float erf(float __x) {return erff(__x);}
1125 inline _LIBCPP_INLINE_VISIBILITY long double erf(long double __x) {return erfl(__x);}
1127 template <class _A1>
1128 inline _LIBCPP_INLINE_VISIBILITY
1129 typename enable_if<is_integral<_A1>::value, double>::type
1130 erf(_A1 __x) {return erf((double)__x);}
1137 inline _LIBCPP_INLINE_VISIBILITY float erfc(float __x) {return erfcf(__x);}
1138 inline _LIBCPP_INLINE_VISIBILITY long double erfc(long double __x) {return erfcl(__x);}
1140 template <class _A1>
1141 inline _LIBCPP_INLINE_VISIBILITY
1142 typename enable_if<is_integral<_A1>::value, double>::type
1143 erfc(_A1 __x) {return erfc((double)__x);}
1150 inline _LIBCPP_INLINE_VISIBILITY float exp2(float __x) {return exp2f(__x);}
1151 inline _LIBCPP_INLINE_VISIBILITY long double exp2(long double __x) {return exp2l(__x);}
1153 template <class _A1>
1154 inline _LIBCPP_INLINE_VISIBILITY
1155 typename enable_if<is_integral<_A1>::value, double>::type
1156 exp2(_A1 __x) {return exp2((double)__x);}
1163 inline _LIBCPP_INLINE_VISIBILITY float expm1(float __x) {return expm1f(__x);}
1164 inline _LIBCPP_INLINE_VISIBILITY long double expm1(long double __x) {return expm1l(__x);}
1166 template <class _A1>
1167 inline _LIBCPP_INLINE_VISIBILITY
1168 typename enable_if<is_integral<_A1>::value, double>::type
1169 expm1(_A1 __x) {return expm1((double)__x);}
1176 inline _LIBCPP_INLINE_VISIBILITY float fdim(float __x, float __y) {return fdimf(__x, __y);}
1177 inline _LIBCPP_INLINE_VISIBILITY long double fdim(long double __x, long double __y) {return fdiml(__x, __y);}
1179 template <class _A1, class _A2>
1180 inline _LIBCPP_INLINE_VISIBILITY
1183 is_arithmetic<_A1>::value &&
1184 is_arithmetic<_A2>::value,
1185 typename __promote<_A1, _A2>::type
1187 fdim(_A1 __x, _A2 __y)
1189 typedef typename __promote<_A1, _A2>::type __result_type;
1190 static_assert((!(is_same<_A1, __result_type>::value &&
1191 is_same<_A2, __result_type>::value)), "");
1192 return fdim((__result_type)__x, (__result_type)__y);
1197 inline _LIBCPP_INLINE_VISIBILITY float fmaf(float __x, float __y, float __z) {return (float)((double)__x*__y + __z);}
1198 #define FP_FAST_FMAF
1202 inline _LIBCPP_INLINE_VISIBILITY float fma(float __x, float __y, float __z) {return fmaf(__x, __y, __z);}
1203 inline _LIBCPP_INLINE_VISIBILITY long double fma(long double __x, long double __y, long double __z) {return fmal(__x, __y, __z);}
1205 template <class _A1, class _A2, class _A3>
1206 inline _LIBCPP_INLINE_VISIBILITY
1209 is_arithmetic<_A1>::value &&
1210 is_arithmetic<_A2>::value &&
1211 is_arithmetic<_A3>::value,
1212 typename __promote<_A1, _A2, _A3>::type
1214 fma(_A1 __x, _A2 __y, _A3 __z)
1216 typedef typename __promote<_A1, _A2, _A3>::type __result_type;
1217 static_assert((!(is_same<_A1, __result_type>::value &&
1218 is_same<_A2, __result_type>::value &&
1219 is_same<_A3, __result_type>::value)), "");
1220 return fma((__result_type)__x, (__result_type)__y, (__result_type)__z);
1228 inline _LIBCPP_INLINE_VISIBILITY float fmax(float __x, float __y) {return fmaxf(__x, __y);}
1229 inline _LIBCPP_INLINE_VISIBILITY long double fmax(long double __x, long double __y) {return fmaxl(__x, __y);}
1231 template <class _A1, class _A2>
1232 inline _LIBCPP_INLINE_VISIBILITY
1235 is_arithmetic<_A1>::value &&
1236 is_arithmetic<_A2>::value,
1237 typename __promote<_A1, _A2>::type
1239 fmax(_A1 __x, _A2 __y)
1241 typedef typename __promote<_A1, _A2>::type __result_type;
1242 static_assert((!(is_same<_A1, __result_type>::value &&
1243 is_same<_A2, __result_type>::value)), "");
1244 return fmax((__result_type)__x, (__result_type)__y);
1252 inline _LIBCPP_INLINE_VISIBILITY float fmin(float __x, float __y) {return fminf(__x, __y);}
1253 inline _LIBCPP_INLINE_VISIBILITY long double fmin(long double __x, long double __y) {return fminl(__x, __y);}
1255 template <class _A1, class _A2>
1256 inline _LIBCPP_INLINE_VISIBILITY
1259 is_arithmetic<_A1>::value &&
1260 is_arithmetic<_A2>::value,
1261 typename __promote<_A1, _A2>::type
1263 fmin(_A1 __x, _A2 __y)
1265 typedef typename __promote<_A1, _A2>::type __result_type;
1266 static_assert((!(is_same<_A1, __result_type>::value &&
1267 is_same<_A2, __result_type>::value)), "");
1268 return fmin((__result_type)__x, (__result_type)__y);
1276 inline _LIBCPP_INLINE_VISIBILITY float hypot(float __x, float __y) {return hypotf(__x, __y);}
1277 inline _LIBCPP_INLINE_VISIBILITY long double hypot(long double __x, long double __y) {return hypotl(__x, __y);}
1279 template <class _A1, class _A2>
1280 inline _LIBCPP_INLINE_VISIBILITY
1283 is_arithmetic<_A1>::value &&
1284 is_arithmetic<_A2>::value,
1285 typename __promote<_A1, _A2>::type
1287 hypot(_A1 __x, _A2 __y)
1289 typedef typename __promote<_A1, _A2>::type __result_type;
1290 static_assert((!(is_same<_A1, __result_type>::value &&
1291 is_same<_A2, __result_type>::value)), "");
1292 return hypot((__result_type)__x, (__result_type)__y);
1300 inline _LIBCPP_INLINE_VISIBILITY int ilogb(float __x) {return ilogbf(__x);}
1301 inline _LIBCPP_INLINE_VISIBILITY int ilogb(long double __x) {return ilogbl(__x);}
1303 template <class _A1>
1304 inline _LIBCPP_INLINE_VISIBILITY
1305 typename enable_if<is_integral<_A1>::value, int>::type
1306 ilogb(_A1 __x) {return ilogb((double)__x);}
1313 inline _LIBCPP_INLINE_VISIBILITY float lgamma(float __x) {return lgammaf(__x);}
1314 inline _LIBCPP_INLINE_VISIBILITY long double lgamma(long double __x) {return lgammal(__x);}
1317 template <class _A1>
1318 inline _LIBCPP_INLINE_VISIBILITY
1319 typename enable_if<is_integral<_A1>::value, double>::type
1320 lgamma(_A1 __x) {return lgamma((double)__x);}
1328 inline _LIBCPP_INLINE_VISIBILITY long long llrint(float __x) {return llrintf(__x);}
1329 inline _LIBCPP_INLINE_VISIBILITY long long llrint(long double __x) {return llrintl(__x);}
1331 template <class _A1>
1332 inline _LIBCPP_INLINE_VISIBILITY
1333 typename enable_if<is_integral<_A1>::value, long long>::type
1334 llrint(_A1 __x) {return llrint((double)__x);}
1341 inline _LIBCPP_INLINE_VISIBILITY long long llround(float __x) {return llroundf(__x);}
1342 inline _LIBCPP_INLINE_VISIBILITY long long llround(long double __x) {return llroundl(__x);}
1344 template <class _A1>
1345 inline _LIBCPP_INLINE_VISIBILITY
1346 typename enable_if<is_integral<_A1>::value, long long>::type
1347 llround(_A1 __x) {return llround((double)__x);}
1354 inline _LIBCPP_INLINE_VISIBILITY float log1p(float __x) {return log1pf(__x);}
1355 inline _LIBCPP_INLINE_VISIBILITY long double log1p(long double __x) {return log1pl(__x);}
1357 template <class _A1>
1358 inline _LIBCPP_INLINE_VISIBILITY
1359 typename enable_if<is_integral<_A1>::value, double>::type
1360 log1p(_A1 __x) {return log1p((double)__x);}
1367 inline _LIBCPP_INLINE_VISIBILITY float log2(float __x) {return log2f(__x);}
1368 inline _LIBCPP_INLINE_VISIBILITY long double log2(long double __x) {return log2l(__x);}
1370 template <class _A1>
1371 inline _LIBCPP_INLINE_VISIBILITY
1372 typename enable_if<is_integral<_A1>::value, double>::type
1373 log2(_A1 __x) {return log2((double)__x);}
1380 inline _LIBCPP_INLINE_VISIBILITY float logb(float __x) {return logbf(__x);}
1381 inline _LIBCPP_INLINE_VISIBILITY long double logb(long double __x) {return logbl(__x);}
1383 template <class _A1>
1384 inline _LIBCPP_INLINE_VISIBILITY
1385 typename enable_if<is_integral<_A1>::value, double>::type
1386 logb(_A1 __x) {return logb((double)__x);}
1393 inline _LIBCPP_INLINE_VISIBILITY long lrint(float __x) {return lrintf(__x);}
1394 inline _LIBCPP_INLINE_VISIBILITY long lrint(long double __x) {return lrintl(__x);}
1396 template <class _A1>
1397 inline _LIBCPP_INLINE_VISIBILITY
1398 typename enable_if<is_integral<_A1>::value, long>::type
1399 lrint(_A1 __x) {return lrint((double)__x);}
1406 inline _LIBCPP_INLINE_VISIBILITY long lround(float __x) {return lroundf(__x);}
1407 inline _LIBCPP_INLINE_VISIBILITY long lround(long double __x) {return lroundl(__x);}
1409 template <class _A1>
1410 inline _LIBCPP_INLINE_VISIBILITY
1411 typename enable_if<is_integral<_A1>::value, long>::type
1412 lround(_A1 __x) {return lround((double)__x);}
1427 inline _LIBCPP_INLINE_VISIBILITY float nearbyint(float __x) {return nearbyintf(__x);}
1428 inline _LIBCPP_INLINE_VISIBILITY long double nearbyint(long double __x) {return nearbyintl(__x);}
1430 template <class _A1>
1431 inline _LIBCPP_INLINE_VISIBILITY
1432 typename enable_if<is_integral<_A1>::value, double>::type
1433 nearbyint(_A1 __x) {return nearbyint((double)__x);}
1440 inline _LIBCPP_INLINE_VISIBILITY float nextafter(float __x, float __y) {return nextafterf(__x, __y);}
1441 inline _LIBCPP_INLINE_VISIBILITY long double nextafter(long double __x, long double __y) {return nextafterl(__x, __y);}
1443 template <class _A1, class _A2>
1444 inline _LIBCPP_INLINE_VISIBILITY
1447 is_arithmetic<_A1>::value &&
1448 is_arithmetic<_A2>::value,
1449 typename __promote<_A1, _A2>::type
1451 nextafter(_A1 __x, _A2 __y)
1453 typedef typename __promote<_A1, _A2>::type __result_type;
1454 static_assert((!(is_same<_A1, __result_type>::value &&
1455 is_same<_A2, __result_type>::value)), "");
1456 return nextafter((__result_type)__x, (__result_type)__y);
1462 using ::nexttowardf;
1464 inline _LIBCPP_INLINE_VISIBILITY float nexttoward(float __x, long double __y) {return nexttowardf(__x, __y);}
1465 inline _LIBCPP_INLINE_VISIBILITY long double nexttoward(long double __x, long double __y) {return nexttowardl(__x, __y);}
1467 template <class _A1>
1468 inline _LIBCPP_INLINE_VISIBILITY
1469 typename enable_if<is_integral<_A1>::value, double>::type
1470 nexttoward(_A1 __x, long double __y) {return nexttoward((double)__x, __y);}
1477 inline _LIBCPP_INLINE_VISIBILITY float remainder(float __x, float __y) {return remainderf(__x, __y);}
1478 inline _LIBCPP_INLINE_VISIBILITY long double remainder(long double __x, long double __y) {return remainderl(__x, __y);}
1480 template <class _A1, class _A2>
1481 inline _LIBCPP_INLINE_VISIBILITY
1484 is_arithmetic<_A1>::value &&
1485 is_arithmetic<_A2>::value,
1486 typename __promote<_A1, _A2>::type
1488 remainder(_A1 __x, _A2 __y)
1490 typedef typename __promote<_A1, _A2>::type __result_type;
1491 static_assert((!(is_same<_A1, __result_type>::value &&
1492 is_same<_A2, __result_type>::value)), "");
1493 return remainder((__result_type)__x, (__result_type)__y);
1501 inline _LIBCPP_INLINE_VISIBILITY float remquo(float __x, float __y, int* __z) {return remquof(__x, __y, __z);}
1502 inline _LIBCPP_INLINE_VISIBILITY long double remquo(long double __x, long double __y, int* __z) {return remquol(__x, __y, __z);}
1504 template <class _A1, class _A2>
1505 inline _LIBCPP_INLINE_VISIBILITY
1508 is_arithmetic<_A1>::value &&
1509 is_arithmetic<_A2>::value,
1510 typename __promote<_A1, _A2>::type
1512 remquo(_A1 __x, _A2 __y, int* __z)
1514 typedef typename __promote<_A1, _A2>::type __result_type;
1515 static_assert((!(is_same<_A1, __result_type>::value &&
1516 is_same<_A2, __result_type>::value)), "");
1517 return remquo((__result_type)__x, (__result_type)__y, __z);
1525 inline _LIBCPP_INLINE_VISIBILITY float rint(float __x) {return rintf(__x);}
1526 inline _LIBCPP_INLINE_VISIBILITY long double rint(long double __x) {return rintl(__x);}
1528 template <class _A1>
1529 inline _LIBCPP_INLINE_VISIBILITY
1530 typename enable_if<is_integral<_A1>::value, double>::type
1531 rint(_A1 __x) {return rint((double)__x);}
1538 inline _LIBCPP_INLINE_VISIBILITY float round(float __x) {return roundf(__x);}
1539 inline _LIBCPP_INLINE_VISIBILITY long double round(long double __x) {return roundl(__x);}
1541 template <class _A1>
1542 inline _LIBCPP_INLINE_VISIBILITY
1543 typename enable_if<is_integral<_A1>::value, double>::type
1544 round(_A1 __x) {return round((double)__x);}
1551 inline _LIBCPP_INLINE_VISIBILITY float scalbln(float __x, long __y) {return scalblnf(__x, __y);}
1552 inline _LIBCPP_INLINE_VISIBILITY long double scalbln(long double __x, long __y) {return scalblnl(__x, __y);}
1554 template <class _A1>
1555 inline _LIBCPP_INLINE_VISIBILITY
1556 typename enable_if<is_integral<_A1>::value, double>::type
1557 scalbln(_A1 __x, long __y) {return scalbln((double)__x, __y);}
1564 inline _LIBCPP_INLINE_VISIBILITY float scalbn(float __x, int __y) {return scalbnf(__x, __y);}
1565 inline _LIBCPP_INLINE_VISIBILITY long double scalbn(long double __x, int __y) {return scalbnl(__x, __y);}
1567 template <class _A1>
1568 inline _LIBCPP_INLINE_VISIBILITY
1569 typename enable_if<is_integral<_A1>::value, double>::type
1570 scalbn(_A1 __x, int __y) {return scalbn((double)__x, __y);}
1577 inline _LIBCPP_INLINE_VISIBILITY float tgamma(float __x) {return tgammaf(__x);}
1578 inline _LIBCPP_INLINE_VISIBILITY long double tgamma(long double __x) {return tgammal(__x);}
1580 template <class _A1>
1581 inline _LIBCPP_INLINE_VISIBILITY
1582 typename enable_if<is_integral<_A1>::value, double>::type
1583 tgamma(_A1 __x) {return tgamma((double)__x);}
1590 inline _LIBCPP_INLINE_VISIBILITY float trunc(float __x) {return truncf(__x);}
1591 inline _LIBCPP_INLINE_VISIBILITY long double trunc(long double __x) {return truncl(__x);}
1593 template <class _A1>
1594 inline _LIBCPP_INLINE_VISIBILITY
1595 typename enable_if<is_integral<_A1>::value, double>::type
1596 trunc(_A1 __x) {return trunc((double)__x);}
1651 using ::nexttowardl;
1666 _LIBCPP_END_NAMESPACE_STD
1668 #endif // _LIBCPP_CMATH