File: fortran_intrinsics.c

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r-cran-igraph 1.0.1-1~bpo8%2B1
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/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2011-12  Gabor Csardi <csardi.gabor@gmail.com>
   334 Harvard street, Cambridge MA, 02139 USA
   
   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 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.,  51 Franklin Street, Fifth Floor, Boston, MA 
   02110-1301 USA

*/

#include <float.h>

double digitsdbl_(double x) {
  return (double) DBL_MANT_DIG;
}

double epsilondbl_(double x) {
  return DBL_EPSILON;
}

double hugedbl_(double x) {
  return DBL_MAX;
}

double tinydbl_(double x) {
  return DBL_MIN;
}

int maxexponentdbl_(double x) {
  return DBL_MAX_EXP;
}

int minexponentdbl_(double x) {
  return DBL_MIN_EXP;
}

double radixdbl_(double x) {
  return (double) FLT_RADIX;
}