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[liba] Proper support for function-like macros for math functions

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This commit is contained in:
Romain Goyet
2017-10-19 14:17:44 +02:00
committed by EmilieNumworks
parent f34146be5e
commit 5a2446eff7
4 changed files with 102 additions and 29 deletions
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61
liba/include/math.h
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@@ -73,6 +73,39 @@ float sqrtf(float x);
float tanf(float x);
float tanhf(float x);
double acos(double x);
double acosh(double x);
double asin(double x);
double asinh(double x);
double atan(double x);
double atanh(double x);
double ceil(double x);
double copysign(double x, double y);
double cos(double x);
double cosh(double x);
double exp(double x);
double expm1(double x);
double fabs(double x);
double floor(double x);
double lgamma(double x);
double lgamma_r(double x, int *signgamp);
double log1p(double x);
double log10(double x);
double log(double x);
double pow(double x, double y);
double round(double x);
double scalbn(double x, int n);
double sin(double x);
double sinh(double x);
double sqrt(double x);
double tan(double x);
double tanh(double x);
/* The C99 standard says that any libc function can be re-declared as a macro.
* (See N1124 paragraph 7.1.4). This means that C files willing to actually
* implement said functions should either re-define the prototype or #undef the
* macro. */
#define acosf(x) __builtin_acosf(x)
#define acoshf(x) __builtin_acoshf(x)
#define asinf(x) __builtin_asinf(x)
@@ -105,34 +138,6 @@ float tanhf(float x);
#define tanf(x) __builtin_tanf(x)
#define tanhf(x) __builtin_tanhf(x)
double acos(double x);
double acosh(double x);
double asin(double x);
double asinh(double x);
double atan(double x);
double atanh(double x);
double ceil(double x);
double copysign(double x, double y);
double cos(double x);
double cosh(double x);
double exp(double x);
double expm1(double x);
double fabs(double x);
double floor(double x);
double lgamma(double x);
double lgamma_r(double x, int *signgamp);
double log1p(double x);
double log10(double x);
double log(double x);
double pow(double x, double y);
double round(double x);
double scalbn(double x, int n);
double sin(double x);
double sinh(double x);
double sqrt(double x);
double tan(double x);
double tanh(double x);
#define acos(x) __builtin_acos(x)
#define acosh(x) __builtin_acosh(x)
#define asin(x) __builtin_asin(x)