/*****************************************************************************/
/* noname.cpp */
/*****************************************************************************/
#undef CPPL_VERBOSE
#undef CPPL_DEBUG
//====================================================================[include]
#include <iostream>
#include <cstdlib>
#include <ctime>
#include "cpplapack.h"
//=======================================================================[main]
/*! main */
int main(int argc, char** argv)
{
int size(3000);
CPPL::dgematrix A(size,size);
srand(time(NULL));
for(int i=0; i<size; i++){ for(int j=0; j<size; j++){
A(i,j) =double(rand())/double(RAND_MAX);
}}
clock_t t0, t1, t2, t3;
/*
t0=clock();
A.zero();
t1=clock();
for(int i=0; i<size*size; i++){
A.array[i] =0.;
}
*/
t2=clock();
memset(A.array, 0, size*size*sizeof(double));
t3=clock();
A.write("aho");
std::cout << "\"A.zero()\" took "<< (1000./CLOCKS_PER_SEC)*(t1-t0) << "[ms]." << std::endl;
std::cout << "\"loop\" took "<< (1000./CLOCKS_PER_SEC)*(t2-t1) << "[ms]." << std::endl;
std::cout << "\"memset\" took "<< (1000./CLOCKS_PER_SEC)*(t3-t2) << "[ms]." << std::endl;
return 0;
}
/*****************************************************************************/