47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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/* w_lgammaf.c -- float version of w_lgamma.c.
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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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#include <math.h>
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#include <math_private.h>
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#include <math-svid-compat.h>
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#include <libm-alias-float.h>
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#include <lgamma-compat.h>
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#if BUILD_LGAMMA
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float
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LGFUNC (__lgammaf) (float x)
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{
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float y = CALL_LGAMMA (float, __ieee754_lgammaf_r, x);
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if(__builtin_expect(!isfinite(y), 0)
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&& isfinite(x) && _LIB_VERSION != _IEEE_)
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return __kernel_standard_f(x, x,
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floorf(x)==x&&x<=0.0f
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? 115 /* lgamma pole */
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: 114); /* lgamma overflow */
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return y;
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}
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# if USE_AS_COMPAT
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compat_symbol (libm, __lgammaf_compat, lgammaf, LGAMMA_OLD_VER);
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# else
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versioned_symbol (libm, __lgammaf, lgammaf, LGAMMA_NEW_VER);
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libm_alias_float_other (__lgamma, lgamma)
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# endif
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# if GAMMA_ALIAS
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strong_alias (LGFUNC (__lgammaf), __gammaf)
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weak_alias (__gammaf, gammaf)
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# endif
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#endif
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