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/*
* Wrapper functions implementing all the float math functions
* defined by SuSv3 by actually calling the double version of
* each function and then casting the result back to a float
* to return to the user.
*
* Copyright (C) 2005 by Erik Andersen <andersen@uclibc.org>
*
* GNU Lesser General Public License version 2.1 or later.
*/
#include <features.h>
/* Prevent math.h from defining colliding inlines */
#undef __USE_EXTERN_INLINES
#include <math.h>
#include <complex.h>
#define WRAPPER1(func) \
float func##f (float x) \
{ \
return (float) func((double)x); \
}
#define int_WRAPPER1(func) \
int func##f (float x) \
{ \
return func((double)x); \
}
#define long_WRAPPER1(func) \
long func##f (float x) \
{ \
return func((double)x); \
}
#define long_long_WRAPPER1(func) \
long long func##f (float x) \
{ \
return func((double)x); \
}
/* Implement the following, as defined by SuSv3 */
#if 0
float asinhf(float);
float atanf(float);
float cargf(float complex);
float cbrtf(float);
float ceilf(float);
float copysignf(float, float);
float cosf(float);
float erfcf(float);
float erff(float);
float expm1f(float);
float fabsf(float);
float floorf(float);
float frexpf(float value, int *);
int ilogbf(float);
float ldexpf(float, int);
long long llroundf(float);
float log1pf(float);
float logbf(float);
long lroundf(float);
float modff(float, float *);
float rintf(float);
float roundf(float);
float scalbnf(float, int);
float sinf(float);
float tanf(float);
float tanhf(float);
#endif
/* The following functions implemented as wrappers
* in separate files (w_funcf.c)
*/
#if 0
float acosf(float);
float acoshf(float);
float asinf(float);
float atan2f(float, float);
float atanhf(float);
float coshf(float);
float exp2f(float);
float expf(float);
float fmodf(float, float);
float hypotf(float, float);
float lgammaf(float);
float log10f(float);
float log2f(float);
float logf(float);
float powf(float, float);
float remainderf(float, float);
float sinhf(float);
float sqrtf(float);
float j0f(float x);
float j1f(float x);
float jnf(int n, float x);
float y0f(float x);
float y1f(float x);
float ynf(int n, float x);
float tgammaf(float x);
float scalbf(float x, float fn);
float gammaf(float x);
float scalbl(float x, float fn);
#endif
#ifdef L_asinhf
WRAPPER1(asinh)
#endif
#ifdef L_atanf
WRAPPER1(atan)
#endif
#ifdef L_cargf
float cargf (float complex x)
{
return (float) carg( (double complex)x );
}
#endif
#ifdef L_cbrtf
WRAPPER1(cbrt)
#endif
#ifdef L_ceilf
WRAPPER1(ceil)
#endif
#ifdef L_copysignf
float copysignf (float x, float y)
{
return (float) copysign( (double)x, (double)y );
}
#endif
#ifdef L_cosf
WRAPPER1(cos)
libm_hidden_def(cosf)
#endif
#ifdef L_erfcf
WRAPPER1(erfc)
#endif
#ifdef L_erff
WRAPPER1(erf)
#endif
#ifdef L_expm1f
WRAPPER1(expm1)
#endif
#ifdef L_fabsf
WRAPPER1(fabs)
#endif
#ifdef L_fdimf
float fdimf (float x, float y)
{
return (float) fdim( (double)x, (double)y );
}
#endif
#ifdef L_floorf
WRAPPER1(floor)
#endif
#ifdef L_fmaf
float fmaf (float x, float y, float z)
{
return (float) fma( (double)x, (double)y, (double)z );
}
#endif
#ifdef L_fmaxf
float fmaxf (float x, float y)
{
return (float) fmax( (double)x, (double)y );
}
#endif
#ifdef L_fminf
float fminf (float x, float y)
{
return (float) fmin( (double)x, (double)y );
}
#endif
#ifdef L_frexpf
float frexpf (float x, int *_exp)
{
return (float) frexp( (double)x, _exp );
}
#endif
#ifdef L_ilogbf
int_WRAPPER1(ilogb)
#endif
#ifdef L_ldexpf
float ldexpf (float x, int _exp)
{
return (float) ldexp( (double)x, _exp );
}
#endif
#ifdef L_llrintf
long_long_WRAPPER1(llrint)
#endif
#ifdef L_llroundf
long_long_WRAPPER1(llround)
#endif
#ifdef L_log1pf
WRAPPER1(log1p)
#endif
#ifdef L_logbf
WRAPPER1(logb)
#endif
#ifdef L_lrintf
long_WRAPPER1(lrint)
#endif
#ifdef L_lroundf
long_WRAPPER1(lround)
#endif
#ifdef L_modff
float modff (float x, float *iptr)
{
double y, result;
result = modf( (double)x, &y );
*iptr = (float)y;
return (float) result;
}
#endif
#ifdef L_nearbyintf
WRAPPER1(nearbyint)
#endif
#ifdef L_nexttowardf
float nexttowardf (float x, long double y)
{
return (float) nexttoward( (double)x, (long double)y );
}
#endif
#ifdef L_remquof
float remquof (float x, float y, int *quo)
{
return (float) remquo( (double)x, (double)y, quo );
}
#endif
#ifdef L_rintf
WRAPPER1(rint)
#endif
#ifdef L_roundf
WRAPPER1(round)
#endif
#ifdef L_scalblnf
float scalblnf (float x, long _exp)
{
return (float) scalbln( (double)x, _exp );
}
#endif
#ifdef L_scalbnf
float scalbnf (float x, int _exp)
{
return (float) scalbn( (double)x, _exp );
}
#endif
#ifdef L_sinf
WRAPPER1(sin)
libm_hidden_def(sinf)
#endif
#ifdef L_tanf
WRAPPER1(tan)
#endif
#ifdef L_tanhf
WRAPPER1(tanh)
#endif
#ifdef L_truncf
WRAPPER1(trunc)
#endif
#ifdef L_significandf
WRAPPER1(significand)
#endif
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