37 lines
882 B
C
37 lines
882 B
C
/* ef_tgamma.c -- float version of e_tgamma.c.
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* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
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*/
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*
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*/
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/* __ieee754_tgammaf(x)
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* Float version the Gamma function. Returns gamma(x)
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*
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* Method: See __ieee754_lgammaf_r
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*/
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#include "fdlibm.h"
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#ifdef __STDC__
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float __ieee754_tgammaf(float x)
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#else
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float __ieee754_tgammaf(x)
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#endif
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{
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int signgam_local;
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float y = __ieee754_expf(__ieee754_lgammaf_r(x, &signgam_local));
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if (signgam_local < 0)
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y = -y;
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return y;
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}
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