libgfortran/intrinsics/bessel.c

   1 /* Wrapper for systems without the various C99 single precision Bessel
   2    functions.
   3    Copyright (C) 2004 Free Software Foundation, Inc.
   4
   5 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either
  10 version 2 of the License, or (at your option) any later version.
  11
  12 In addition to the permissions in the GNU General Public License, the
  13 Free Software Foundation gives you unlimited permission to link the
  14 compiled version of this file into combinations with other programs,
  15 and to distribute those combinations without any restriction coming
  16 from the use of this file.  (The General Public License restrictions
  17 do apply in other respects; for example, they cover modification of
  18 the file, and distribution when not linked into a combine
  19 executable.)
  20
  21 Libgfortran is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public
  27 License along with libgfortran; see the file COPYING.  If not,
  28 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  29 Boston, MA 02110-1301, USA.  */
  30
  31 #include "config.h"
  32 #include <math.h>
  33 #include "libgfortran.h"
  34
  35 #if HAVE_J0 && !HAVE_J0F
  36 extern float j0f (float);
  37
  38 float
  39 j0f (float x)
  40 {
  41   return (float) j0 ((double) x);
  42 }
  43 #endif
  44
  45 #if HAVE_J1 && !HAVE_J1F
  46 extern float j1f (float);
  47
  48 float j1f (float x)
  49 {
  50   return (float) j1 ((double) x);
  51 }
  52 #endif
  53
  54 #if HAVE_JN && !HAVE_JNF
  55 extern float jnf (int, float);
  56
  57 float
  58 jnf (int n, float x)
  59 {
  60   return (float) jn (n, (double) x);
  61 }
  62 #endif
  63
  64 #if HAVE_Y0 && !HAVE_Y0F
  65 extern float y0f (float);
  66
  67 float
  68 y0f (float x)
  69 {
  70   return (float) y0 ((double) x);
  71 }
  72 #endif
  73
  74 #if HAVE_Y1 && !HAVE_Y1F
  75 extern float y1f (float);
  76
  77 float
  78 y1f (float x)
  79 {
  80   return (float) y1 ((double) x);
  81 }
  82 #endif
  83
  84 #if HAVE_YN && !HAVE_YNF
  85 extern float ynf (int, float);
  86
  87 float
  88 ynf (int n, float x)
  89 {
  90   return (float) yn (n, (double) x);
  91 }
  92 #endif