Cream of the Crop 1/Cream of the Crop 1.iso/PROGRAM/DJLSR106.ARJ/LDEXP.C

C/C++ Source or Header | 1992-03-02 | 747b | 30 lines

/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained.  This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

#include "math.h"

double ldexp(double v, int e)
{
  while (e<0)
  {
    v /= 2;
    e++;
  }
  while (e>0)
  {
    v *= 2;
    e--;
  }
  return v;
}