[gforth] / gforth / Attic / pow10.c

gforth: gforth/Attic/pow10.c

File: [gforth] / gforth / Attic / pow10.c (download) (as text)
Revision: 1.3, Sun Oct 13 19:56:23 1996 UTC (16 years, 7 months ago) by pazsan
Branch: MAIN
CVS Tags: v0-2-0, v0-2-1, v0-3-0
Changes since 1.2: +5 -2 lines

Some fixes to run on Next

/* a simple pow10 implementation

  Copyright (C) 1995 Free Software Foundation, Inc.

  This file is part of Gforth.

  Gforth is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <math.h>

#ifndef M_LN10
#define M_LN10      2.30258509299404568402
#endif

#ifndef _ANSI_MATH_H
/* this should be defined by math.h; If it is not, the miranda
 *    prototype would be wrong; Since we prefer compile-time errors to
 *    run-time errors, it's declared here. */
extern double exp(double);

#endif /* _ANSI_MATH_H */

double pow10(double x)
{
  return exp(x*M_LN10);
}

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