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/*
* 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"
double getEPS() {
char CMACH = 'E';
return dlamch_(&CMACH,1);
}
float getFloatEPS() {
char CMACH = 'E';
return slamch_(&CMACH,1);
}
template <>
float lamch() {
return getFloatEPS();
}
template <>
double lamch() {
return getEPS();
}
// 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));
}
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