Annotation of gforth/pow10.c, revision 1.2
1.2 ! anton 1: /* a simple pow10 implementation
! 3: Copyright (C) 1995 Free Software Foundation, Inc.
! 5: This file is part of Gforth.
! 7: Gforth is free software; you can redistribute it and/or
! 8: modify it under the terms of the GNU General Public License
! 9: as published by the Free Software Foundation; either version 2
! 10: of the License, or (at your option) any later version.
! 12: This program is distributed in the hope that it will be useful,
! 13: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 15: GNU General Public License for more details.
! 17: You should have received a copy of the GNU General Public License
! 18: along with this program; if not, write to the Free Software
! 19: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
! 20: */
1.1 anton 21: #include <math.h>
23: #ifndef M_LN10
24: #define M_LN10 2.30258509299404568402
27: /* this should be defined by math.h; If it is not, the miranda
28: prototype would be wrong; Since we prefer compile-time errors to
29: run-time errors, it's declared here. */
30: extern double exp(double);
32: double pow10(double x)
34: return exp(x*M_LN10);