diff options
author | Ulrich Drepper <drepper@redhat.com> | 2001-02-17 01:47:54 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2001-02-17 01:47:54 +0000 |
commit | e275093526937799cdc38d11696ce19a9bce22c4 (patch) | |
tree | 33262c29a0b759e21be916f5e4de0a7329830ff3 /sysdeps/generic/w_powf.c | |
parent | 78b385b834d450d4c633279eb26aba04d8aa509b (diff) | |
download | glibc-e275093526937799cdc38d11696ce19a9bce22c4.zip glibc-e275093526937799cdc38d11696ce19a9bce22c4.tar.gz glibc-e275093526937799cdc38d11696ce19a9bce22c4.tar.bz2 |
Update.
* math/w_acos.c: Move to ...
* sysdeps/generic/w_acos.c: ...here. New file.
* math/w_acosf.c: Move to ...
* sysdeps/generic/w_acosf.c: ...here. New file.
* math/w_acosh.c: Move to ...
* sysdeps/generic/w_acosh.c: ...here. New file.
* math/w_acoshf.c: Move to ...
* sysdeps/generic/w_acoshf.c: ...here. New file.
* math/w_acoshl.c: Move to ...
* sysdeps/generic/w_acoshl.c: ...here. New file.
* math/w_acosl.c: Move to ...
* sysdeps/generic/w_acosl.c: ...here. New file.
* math/w_asin.c: Move to ...
* sysdeps/generic/w_asin.c: ...here. New file.
* math/w_asinf.c: Move to ...
* sysdeps/generic/w_asinf.c: ...here. New file.
* math/w_asinl.c: Move to ...
* sysdeps/generic/w_asinl.c: ...here. New file.
* math/w_atan2.c: Move to ...
* sysdeps/generic/w_atan2.c: ...here. New file.
* math/w_atan2f.c: Move to ...
* sysdeps/generic/w_atan2f.c: ...here. New file.
* math/w_atan2l.c: Move to ...
* sysdeps/generic/w_atan2l.c: ...here. New file.
* math/w_atanh.c: Move to ...
* sysdeps/generic/w_atanh.c: ...here. New file.
* math/w_atanhf.c: Move to ...
* sysdeps/generic/w_atanhf.c: ...here. New file.
* math/w_atanhl.c: Move to ...
* sysdeps/generic/w_atanhl.c: ...here. New file.
* math/w_cosh.c: Move to ...
* sysdeps/generic/w_cosh.c: ...here. New file.
* math/w_coshf.c: Move to ...
* sysdeps/generic/w_coshf.c: ...here. New file.
* math/w_coshl.c: Move to ...
* sysdeps/generic/w_coshl.c: ...here. New file.
* math/w_drem.c: Move to ...
* sysdeps/generic/w_drem.c: ...here. New file.
* math/w_dremf.c: Move to ...
* sysdeps/generic/w_dremf.c: ...here. New file.
* math/w_dreml.c: Move to ...
* sysdeps/generic/w_dreml.c: ...here. New file.
* math/w_exp10.c: Move to ...
* sysdeps/generic/w_exp10.c: ...here. New file.
* math/w_exp10f.c: Move to ...
* sysdeps/generic/w_exp10f.c: ...here. New file.
* math/w_exp10l.c: Move to ...
* sysdeps/generic/w_exp10l.c: ...here. New file.
* math/w_exp2.c: Move to ...
* sysdeps/generic/w_exp2.c: ...here. New file.
* math/w_exp2f.c: Move to ...
* sysdeps/generic/w_exp2f.c: ...here. New file.
* math/w_exp2l.c: Move to ...
* sysdeps/generic/w_exp2l.c: ...here. New file.
* math/w_fmod.c: Move to ...
* sysdeps/generic/w_fmod.c: ...here. New file.
* math/w_fmodf.c: Move to ...
* sysdeps/generic/w_fmodf.c: ...here. New file.
* math/w_fmodl.c: Move to ...
* sysdeps/generic/w_fmodl.c: ...here. New file.
* math/w_hypot.c: Move to ...
* sysdeps/generic/w_hypot.c: ...here. New file.
* math/w_hypotf.c: Move to ...
* sysdeps/generic/w_hypotf.c: ...here. New file.
* math/w_hypotl.c: Move to ...
* sysdeps/generic/w_hypotl.c: ...here. New file.
* math/w_j0.c: Move to ...
* sysdeps/generic/w_j0.c: ...here. New file.
* math/w_j0f.c: Move to ...
* sysdeps/generic/w_j0f.c: ...here. New file.
* math/w_j0l.c: Move to ...
* sysdeps/generic/w_j0l.c: ...here. New file.
* math/w_j1.c: Move to ...
* sysdeps/generic/w_j1.c: ...here. New file.
* math/w_j1f.c: Move to ...
* sysdeps/generic/w_j1f.c: ...here. New file.
* math/w_j1l.c: Move to ...
* sysdeps/generic/w_j1l.c: ...here. New file.
* math/w_jn.c: Move to ...
* sysdeps/generic/w_jn.c: ...here. New file.
* math/w_jnf.c: Move to ...
* sysdeps/generic/w_jnf.c: ...here. New file.
* math/w_jnl.c: Move to ...
* sysdeps/generic/w_jnl.c: ...here. New file.
* math/w_lgamma.c: Move to ...
* sysdeps/generic/w_lgamma.c: ...here. New file.
* math/w_lgammaf.c: Move to ...
* sysdeps/generic/w_lgammaf.c: ...here. New file.
* math/w_lgammaf_r.c: Move to ...
* sysdeps/generic/w_lgammaf_r.c: ...here. New file.
* math/w_lgammal.c: Move to ...
* sysdeps/generic/w_lgammal.c: ...here. New file.
* math/w_lgammal_r.c: Move to ...
* sysdeps/generic/w_lgammal_r.c: ...here. New file.
* math/w_lgamma_r.c: Move to ...
* sysdeps/generic/w_lgamma_r.c: ...here. New file.
* math/w_log10.c: Move to ...
* sysdeps/generic/w_log10.c: ...here. New file.
* math/w_log10f.c: Move to ...
* sysdeps/generic/w_log10f.c: ...here. New file.
* math/w_log10l.c: Move to ...
* sysdeps/generic/w_log10l.c: ...here. New file.
* math/w_log.c: Move to ...
* sysdeps/generic/w_log.c: ...here. New file.
* math/w_logf.c: Move to ...
* sysdeps/generic/w_logf.c: ...here. New file.
* math/w_logl.c: Move to ...
* sysdeps/generic/w_logl.c: ...here. New file.
* math/w_pow.c: Move to ...
* sysdeps/generic/w_pow.c: ...here. New file.
* math/w_powf.c: Move to ...
* sysdeps/generic/w_powf.c: ...here. New file.
* math/w_powl.c: Move to ...
* sysdeps/generic/w_powl.c: ...here. New file.
* math/w_remainder.c: Move to ...
* sysdeps/generic/w_remainder.c: ...here. New file.
* math/w_remainderf.c: Move to ...
* sysdeps/generic/w_remainderf.c: ...here. New file.
* math/w_remainderl.c: Move to ...
* sysdeps/generic/w_remainderl.c: ...here. New file.
* math/w_scalb.c: Move to ...
* sysdeps/generic/w_scalb.c: ...here. New file.
* math/w_scalbf.c: Move to ...
* sysdeps/generic/w_scalbf.c: ...here. New file.
* math/w_scalbl.c: Move to ...
* sysdeps/generic/w_scalbl.c: ...here. New file.
* math/w_sinh.c: Move to ...
* sysdeps/generic/w_sinh.c: ...here. New file.
* math/w_sinhf.c: Move to ...
* sysdeps/generic/w_sinhf.c: ...here. New file.
* math/w_sinhl.c: Move to ...
* sysdeps/generic/w_sinhl.c: ...here. New file.
* math/w_sqrtl.c: Move to ...
* sysdeps/generic/w_sqrtl.c: ...here. New file.
* math/w_tgamma.c: Move to ...
* sysdeps/generic/w_tgamma.c: ...here. New file.
* math/w_tgammaf.c: Move to ...
* sysdeps/generic/w_tgammaf.c: ...here. New file.
* math/w_tgammal.c: Move to ...
* sysdeps/generic/w_tgammal.c: ...here. New file.
Diffstat (limited to 'sysdeps/generic/w_powf.c')
-rw-r--r-- | sysdeps/generic/w_powf.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sysdeps/generic/w_powf.c b/sysdeps/generic/w_powf.c new file mode 100644 index 0000000..32196fd --- /dev/null +++ b/sysdeps/generic/w_powf.c @@ -0,0 +1,77 @@ +/* w_powf.c -- float version of w_pow.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $"; +#endif + +/* + * wrapper powf(x,y) return x**y + */ + +#include "math.h" +#include "math_private.h" + + +#ifdef __STDC__ + float __powf(float x, float y) /* wrapper powf */ +#else + float __powf(x,y) /* wrapper powf */ + float x,y; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_powf(x,y); +#else + float z; + z=__ieee754_powf(x,y); + if(_LIB_VERSION == _IEEE_|| __isnanf(y)) return z; + if(__isnanf(x)) { + if(y==(float)0.0) + /* powf(NaN,0.0) */ + return (float)__kernel_standard((double)x,(double)y,142); + else + return z; + } + if(x==(float)0.0) { + if(y==(float)0.0) + /* powf(0.0,0.0) */ + return (float)__kernel_standard((double)x,(double)y,120); + if(__finitef(y)&&y<(float)0.0) { + if (signbit (x) && signbit (z)) + /* powf(0.0,negative) */ + return (float)__kernel_standard((double)x,(double)y,123); + else + return (float)__kernel_standard((double)x,(double)y,143); + } + return z; + } + if(!__finitef(z)) { + if(__finitef(x)&&__finitef(y)) { + if(__isnanf(z)) + /* powf neg**non-int */ + return (float)__kernel_standard((double)x,(double)y,124); + else + /* powf overflow */ + return (float)__kernel_standard((double)x,(double)y,121); + } + } + if(z==(float)0.0&&__finitef(x)&&__finitef(y)) + /* powf underflow */ + return (float)__kernel_standard((double)x,(double)y,122); + return z; +#endif +} +weak_alias (__powf, powf) |