glibc/sysdeps/ia64/fpu/w_lgamma.c

/* file: lgamma.c */


// Copyright (c) 2002 Intel Corporation
// All rights reserved.
//
// Contributed 2002 by the Intel Numerics Group, Intel Corporation
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * The name of Intel Corporation may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.

//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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//

// History
//==============================================================
// 02/04/02: Initial version
// 02/22/02: Removed lgammaf/gammaf
//
/*
//   FUNCTIONS:    double  lgamma(double x)
//                 double  gamma(double x)
//                 Natural logarithm of GAMMA function
*/

#include "libm_support.h"


extern double __libm_lgamma(double /*x*/, int* /*signgam*/, int /*signgamsz*/);


double __ieee754_lgamma(double x)
{
#ifdef __POSIX__
    extern int    signgam;
#else
    int    signgam;
#endif
    return __libm_lgamma(x, &signgam, sizeof(signgam));
}
weak_alias (__ieee754_lgamma, lgamma)

double __ieee754_gamma(double x)
{
#ifdef __POSIX__
    extern int    signgam;
#else
    int    signgam;
#endif
    return __libm_lgamma(x, &signgam, sizeof(signgam));
}
weak_alias (__ieee754_gamma, gamma)