sysdeps/ia64/fpu/w_lgammal.c

   1 /* file: lgammal.c */
   2
   3 // Copyright (c) 2002 Intel Corporation
   4 // All rights reserved.
   5 //
   6 // Contributed 2002 by the Intel Numerics Group, Intel Corporation
   7 //
   8 // Redistribution and use in source and binary forms, with or without
   9 // modification, are permitted provided that the following conditions are
  10 // met:
  11 //
  12 // * Redistributions of source code must retain the above copyright
  13 // notice, this list of conditions and the following disclaimer.
  14 //
  15 // * Redistributions in binary form must reproduce the above copyright
  16 // notice, this list of conditions and the following disclaimer in the
  17 // documentation and/or other materials provided with the distribution.
  18 //
  19 // * The name of Intel Corporation may not be used to endorse or promote
  20 // products derived from this software without specific prior written
  21 // permission.
  22
  23 // WARRANTY DISCLAIMER
  24 //
  25 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
  29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  30 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  31 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  33 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
  34 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 //
  37 // Intel Corporation is the author of this code, and requests that all
  38 // problem reports or change requests be submitted to it directly at
  39 // http://www.intel.com/software/products/opensource/libraries/num.htm.
  40 //
  41 //
  42
  43 // History
  44 //==============================================================
  45 // 08/15/02: Initial version
  46 //
  47 /*
  48 //   FUNCTIONS:    long double  lgammal(long double x)
  49 //                 long double  gammal(long double x)
  50 //                 Natural logarithm of GAMMA function
  51 */
  52
  53 #include "libm_support.h"
  54
  55
  56 extern double __libm_lgammal(long double /*x*/, int* /*signgam*/, int /*signgamsz*/);
  57
  58
  59 long double __ieee754_lgammal(long double x)
  60 {
  61 #ifdef __POSIX__
  62     extern int    signgam;
  63 #else
  64     int    signgam;
  65 #endif
  66     return __libm_lgammal(x, &signgam, sizeof(signgam));
  67 }
  68 weak_alias(__ieee754_lgammal, lgammal)
  69
  70 long double __ieee754_gammal(long double x)
  71 {
  72 #ifdef __POSIX__
  73     extern int    signgam;
  74 #else
  75     int    signgam;
  76 #endif
  77     return __libm_lgammal(x, &signgam, sizeof(signgam));
  78 }
  79 weak_alias(__ieee754_gammal, gammal)