gcc/m2/gm2-libs-ch/host.c

   1 /* host.c supply missing math routines.
   2
   3 Copyright (C) 2010-2024 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius@glam.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  */
  26
  27 #include "config.h"
  28 #include "system.h"
  29 #include "ansidecl.h"
  30 #include "math.h"
  31
  32 #include "gm2-libs-host.h"
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #if !defined(HAVE_EXP10)
  39 double
  40 exp10 (double x)
  41 {
  42   return exp (x * M_LN10);
  43 }
  44 #endif
  45
  46 #if !defined(HAVE_EXP10F)
  47 float
  48 exp10f (float x)
  49 {
  50   return expf (x * M_LN10);
  51 }
  52 #endif
  53
  54 #if !defined(HAVE_EXP10L)
  55 long double
  56 exp10l (long double x)
  57 {
  58   return expl (x * M_LN10);
  59 }
  60 #endif
  61
  62 #   ifdef __cplusplus
  63 }
  64 #   endif