sysdeps/ia64/fpu/e_lgamma_r.c

   1 /* file: lgamma_r.c */
   2
   3
   4 // Copyright (c) 2002 Intel Corporation
   5 // All rights reserved.
   6 //
   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 //
  24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
  28 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  30 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  31 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  32 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
  33 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  34 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35 //
  36 // Intel Corporation is the author of this code, and requests that all
  37 // problem reports or change requests be submitted to it directly at
  38 // http://www.intel.com/software/products/opensource/libraries/num.htm.
  39 //
  40 //
  41
  42 // History
  43 //==============================================================
  44 // 02/04/02: Initial version
  45 // 02/22/02: Removed lgammaf_r, gammaf_r
  46 /*
  47 //   FUNCTIONS:    double  lgamma_r(double x, int* signgam)
  48 //                 double  gamma_r(double x, int* signgam)
  49 //                 Natural logarithm of GAMMA function
  50 */
  51
  52 #include "libm_support.h"
  53
  54
  55 extern double __libm_lgamma(double /*x*/, int* /*signgam*/, int /*signgamsz*/);
  56
  57
  58 double __ieee754_lgamma_r(double x, int* signgam)
  59 {
  60     return __libm_lgamma(x, signgam, sizeof(*signgam));
  61 }
  62 libm_alias_double_r (__ieee754_lgamma, lgamma, _r)
  63
  64 #ifndef _LIBC
  65 double __ieee754_gamma_r(double x, int* signgam)
  66 {
  67     return __libm_lgamma(x, signgam, sizeof(*signgam));
  68 }
  69 weak_alias (__ieee754_gamma_r, gamma_r)
  70 #endif