mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
|
/* file: lgammal.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
|
||
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||
|
|
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
|
||
|
|
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
// Intel Corporation is the author of this code, and requests that all
|
||
|
|
// problem reports or change requests be submitted to it directly at
|
||
|
|
// http://www.intel.com/software/products/opensource/libraries/num.htm.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
// History
|
||
|
|
//==============================================================
|
||
|
|
// 08/15/02: Initial version
|
||
|
|
//
|
||
|
|
/*
|
||
|
|
// FUNCTIONS: long double lgammal(long double x)
|
||
|
|
// long double gammal(long double x)
|
||
|
|
// Natural logarithm of GAMMA function
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "libm_support.h"
|
||
|
|
|
||
|
|
|
||
|
|
extern double __libm_lgammal(long double /*x*/, int* /*signgam*/, int /*signgamsz*/);
|
||
|
|
|
||
|
|
|
||
|
|
long double __ieee754_lgammal(long double x)
|
||
|
|
{
|
||
|
|
#ifdef __POSIX__
|
||
|
|
extern int signgam;
|
||
|
|
#else
|
||
|
|
int signgam;
|
||
|
|
#endif
|
||
|
|
return __libm_lgammal(x, &signgam, sizeof(signgam));
|
||
|
|
}
|
||
|
|
weak_alias (__ieee754_lgammal, lgammal)
|
||
|
|
|
||
|
|
long double __ieee754_gammal(long double x)
|
||
|
|
{
|
||
|
|
#ifdef __POSIX__
|
||
|
|
extern int signgam;
|
||
|
|
#else
|
||
|
|
int signgam;
|
||
|
|
#endif
|
||
|
|
return __libm_lgammal(x, &signgam, sizeof(signgam));
|
||
|
|
}
|
||
|
|
weak_alias (__ieee754_gammal, gammal)
|