/*
 * Copyright (c) 2002-2006 Samit Basu
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "LAPACK.hpp"

#ifndef __APPLE__
int xerbla_(char *srname, int *info) {
  return 0;
}
#endif

double getEPS() {
  char CMACH = 'E';
  return dlamch_(&CMACH);
}


float getFloatEPS() {
  char CMACH = 'E';
  return slamch_(&CMACH);
}

// Utility function used to handle stride changes between columns
void changeStrideDouble(double*dst, int dstStride, double*src, int srcStride, int rowCount, int colCount){
  int i;
  for (i=0;i<colCount;i++)
    memcpy(dst + i*dstStride, src + i*srcStride, rowCount*sizeof(double));
}

void changeStrideFloat(float*dst, int dstStride, float*src, int srcStride, int rowCount, int colCount){
  int i;
  for (i=0;i<colCount;i++)
    memcpy(dst + i*dstStride, src + i*srcStride, rowCount*sizeof(float));
}