kc3-lang/gnulib/lib/modff.c

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• Hash : 7dcf3dfa
  Author :
  Date : 2011-10-06T02:49:14
  

  New module 'modff'.
  
  * lib/math.in.h (modff): New declaration.
  * lib/modff.c: New file.
  * m4/modff.m4: New file.
  * m4/math_h.m4 (gl_MATH_H): Test whether modff is declared.
  (gl_MATH_H_DEFAULTS): Initialize GNULIB_MODFF, HAVE_MODFF.
  * modules/math (Makefile.am): Substitute GNULIB_MODFF, HAVE_MODFF.
  * modules/modff: New file.
  * tests/test-math-c++.cc: Check the declaration of modff.
  * doc/posix-functions/modff.texi: Mention the new module.
  

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• lib/modff.c

• /* Get signed integer and fractional parts of a floating-point number.
     Copyright (C) 2011 Free Software Foundation, Inc.
  
     This program 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 3 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, see <http://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <math.h>
  
  float
  modff (float x, float *iptr)
  {
    double i;
    double frac = modf ((double) x, &i);
    *iptr = (float) i;
    return (float) frac;
  }
  

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