main.cpp

lapack的c++版本之一.lapack是imsl,mkl,matlab等大部分数值计算的使用者.最早是for77的,后来出现c++,java等的.

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/*                                 noname                                    */
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//====================================================================[include]
#include <iostream>
#include <cstdlib>
#include <ctime>
#include "cpplapack.h"
using namespace std;

//=======================================================================[main]
/*! main */
int main(int argc, char** argv)
{
  srand(time(NULL));
  int M(4), N(3), KL(1), KU(2);
  
  CPPL::dgbmatrix A(M,N,KL,KU);
  for(int i=0; i<A.m; i++){ for(int j=0; j<A.n; j++){
    if(!( i-j>A.kl || j-i>A.ku )){ A(i,j) =double( rand() /(RAND_MAX/10) ); }
  }}
  
  cout << "A =\n" << A << endl;
  cout << "A*10. =\n" << A*10. << endl;
  cout << "A/10. =\n" << A/10. << endl;
  
  cout << "#### A*=10.; ####" << endl;
  A*=10.;
  cout << "A =\n" << A << endl;
  cout << "#### A/=10.; ####" << endl;
  A/=10.;
  cout << "A =\n" << A << endl;
  
  return 0;
}

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