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Annotation of gforth/pow10.c, revision 1.3

1.2       anton       1: /* a simple pow10 implementation
                      2: 
                      3:   Copyright (C) 1995 Free Software Foundation, Inc.
                      4: 
                      5:   This file is part of Gforth.
                      6: 
                      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.
                     11: 
                     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.
                     16: 
                     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>
                     22: 
                     23: #ifndef M_LN10
                     24: #define M_LN10      2.30258509299404568402
                     25: #endif
                     26: 
1.3     ! pazsan     27: #ifndef _ANSI_MATH_H
1.1       anton      28: /* this should be defined by math.h; If it is not, the miranda
1.3     ! pazsan     29:  *    prototype would be wrong; Since we prefer compile-time errors to
        !            30:  *    run-time errors, it's declared here. */
1.1       anton      31: extern double exp(double);
1.3     ! pazsan     32: 
        !            33: #endif /* _ANSI_MATH_H */
1.1       anton      34: 
                     35: double pow10(double x)
                     36: {
                     37:   return exp(x*M_LN10);
                     38: }