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|
/* vi: set sw=4 ts=4: */
/*
* 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>
/* For the time being, do _NOT_ implement these functions
* that are defined by SuSv3 */
#undef L_exp2f /*float exp2f(float);*/
#undef L_fdimf /*float fdimf(float, float);*/
#undef L_fmaf /*float fmaf(float, float, float);*/
#undef L_fmaxf /*float fmaxf(float, float);*/
#undef L_fminf /*float fminf(float, float);*/
#undef L_log2f /*float log2f(float);*/
#undef L_nearbyintf /*float nearbyintf(float);*/
#undef L_nexttowardf /*float nexttowardf(float, long double);*/
#undef L_remquof /*float remquof(float, float, int *);*/
#undef L_scalblnf /*float scalblnf(float, long);*/
#undef L_tgammaf /*float tgammaf(float);*/
/* Implement the following, as defined by SuSv3 */
#if 0
float acosf(float);
float acoshf(float);
float asinf(float);
float asinhf(float);
float atan2f(float, float);
float atanf(float);
float atanhf(float);
float cargf(float complex);
float cbrtf(float);
float ceilf(float);
float copysignf(float, float);
float cosf(float);
float coshf(float);
float erfcf(float);
float erff(float);
float expf(float);
float expm1f(float);
float fabsf(float);
float floorf(float);
float fmodf(float, float);
float frexpf(float value, int *);
float hypotf(float, float);
int ilogbf(float);
float ldexpf(float, int);
float lgammaf(float);
long long llroundf(float);
float log10f(float);
float log1pf(float);
float logbf(float);
float logf(float);
long lroundf(float);
float modff(float, float *);
float powf(float, float);
float remainderf(float, float);
float rintf(float);
float roundf(float);
float scalbnf(float, int);
float sinf(float);
float sinhf(float);
float sqrtf(float);
float tanf(float);
float tanhf(float);
#endif
#ifdef L_acosf
float acosf (float x)
{
return (float) acos( (double)x );
}
#endif
#ifdef L_acoshf
float acoshf (float x)
{
return (float) acosh( (double)x );
}
#endif
#ifdef L_asinf
float asinf (float x)
{
return (float) asin( (double)x );
}
#endif
#ifdef L_asinhf
float asinhf (float x)
{
return (float) asinh( (double)x );
}
#endif
#ifdef L_atan2f
float atan2f (float x, float y)
{
return (float) atan2( (double)x, (double)y );
}
#endif
#ifdef L_atanf
float atanf (float x)
{
return (float) atan( (double)x );
}
#endif
#ifdef L_atanhf
float atanhf (float x)
{
return (float) atanh( (double)x );
}
#endif
#ifdef L_cargf
float cargf (float complex x)
{
return (float) carg( (double complex)x );
}
#endif
#ifdef L_cbrtf
float cbrtf (float x)
{
return (float) cbrt( (double)x );
}
#endif
#ifdef L_ceilf
float ceilf (float x)
{
return (float) ceil( (double)x );
}
#endif
#ifdef L_copysignf
float copysignf (float x, float y)
{
return (float) copysign( (double)x, (double)y );
}
#endif
#ifdef L_cosf
float cosf (float x)
{
return (float) cos( (double)x );
}
#endif
#ifdef L_coshf
float coshf (float x)
{
return (float) cosh( (double)x );
}
#endif
#ifdef L_erfcf
float erfcf (float x)
{
return (float) erfc( (double)x );
}
#endif
#ifdef L_erff
float erff (float x)
{
return (float) erf( (double)x );
}
#endif
#ifdef L_exp2f
float exp2f (float x)
{
return (float) exp2( (double)x );
}
#endif
#ifdef L_expf
float expf (float x)
{
return (float) exp( (double)x );
}
#endif
#ifdef L_expm1f
float expm1f (float x)
{
return (float) expm1( (double)x );
}
#endif
#ifdef L_fabsf
float fabsf (float x)
{
return (float) fabs( (double)x );
}
#endif
#ifdef L_fdimf
float fdimf (float x, float y)
{
return (float) fdim( (double)x, (double)y );
}
#endif
#ifdef L_floorf
float floorf (float x)
{
return (float) floor( (double)x );
}
#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_fmodf
float fmodf (float x, float y)
{
return (float) fmod( (double)x, (double)y );
}
#endif
#ifdef L_frexpf
float frexpf (float x, int *_exp)
{
return (float) frexp( (double)x, _exp );
}
#endif
#ifdef L_hypotf
float hypotf (float x, float y)
{
return (float) hypot( (double)x, (double)y );
}
#endif
#ifdef L_ilogbf
int ilogbf (float x)
{
return (int) ilogb( (double)x );
}
#endif
#ifdef L_ldexpf
float ldexpf (float x, int _exp)
{
return (float) ldexp( (double)x, _exp );
}
#endif
#ifdef L_lgammaf
float lgammaf (float x)
{
return (float) lgamma( (double)x );
}
#endif
#ifdef L_llrintf
long long llrintf (float x)
{
return (long long) llrint( (double)x );
}
#endif
#ifdef L_llroundf
long long llroundf (float x)
{
return (long long) llround( (double)x );
}
#endif
#ifdef L_log10f
float log10f (float x)
{
return (float) log10( (double)x );
}
#endif
#ifdef L_log1pf
float log1pf (float x)
{
return (float) log1p( (double)x );
}
#endif
#ifdef L_log2f
float log2f (float x)
{
return (float) log2( (double)x );
}
#endif
#ifdef L_logbf
float logbf (float x)
{
return (float) logb( (double)x );
}
#endif
#ifdef L_logf
float logf (float x)
{
return (float) log( (double)x );
}
#endif
#ifdef L_lrintf
long lrintf (float x)
{
return (long) lrint( (double)x );
}
#endif
#ifdef L_lroundf
long lroundf (float x)
{
return (long) lround( (double)x );
}
#endif
#ifdef L_modff
float modff (float x, float *iptr)
{
double y, result;
result = modf ( x, &y );
*iptr = (float)y;
return (float) result;
}
#endif
#ifdef L_nearbyintf
float nearbyintf (float x)
{
return (float) nearbyint( (double)x );
}
#endif
#ifdef L_nexttowardf
float nexttowardf (float x, long double y)
{
return (float) nexttoward( (double)x, (double)y );
}
#endif
#ifdef L_powf
float powf (float x, float y)
{
return (float) pow( (double)x, (double)y );
}
#endif
#ifdef L_remainderf
float remainderf (float x, float y)
{
return (float) remainder( (double)x, (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
float rintf (float x)
{
return (float) rint( (double)x );
}
#endif
#ifdef L_roundf
float roundf (float x)
{
return (float) round( (double)x );
}
#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
float sinf (float x)
{
return (float) sin( (double)x );
}
#endif
#ifdef L_sinhf
float sinhf (float x)
{
return (float) sinh( (double)x );
}
#endif
#ifdef L_sqrtf
float sqrtf (float x)
{
return (float) sqrt( (double)x );
}
#endif
#ifdef L_tanf
float tanf (float x)
{
return (float) tan( (double)x );
}
#endif
#ifdef L_tanhf
float tanhf (float x)
{
return (float) tanh( (double)x );
}
#endif
#ifdef L_tgammaf
float tgammaf (float x)
{
return (float) tgamma( (double)x );
}
#endif
#ifdef L_truncf
float truncf (float x)
{
return (float) trunc( (double)x );
}
#endif
#ifdef L_fmaf
float fmaf (float x, float y, float z)
{
return (float) fma( (double)x, (double)y, (double)z );
}
#endif
#ifdef L_scalbf
float scalbf (float x, float y)
{
return (float) scalb( (double)x, (double)y );
}
#endif
#ifdef L_gammaf
float gammaf (float x)
{
return (float) gamma( (double)x );
}
#endif
#ifdef L_significandf
float significandf (float x)
{
return (float) significand( (double)x );
}
#endif
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