aaz_cofac_r.c

一些矩阵运算的C代码实现：矩阵一般运算

/*         .h         freeware           http://groups.yahoo.com/group/mathc/ */
/* --------------------------------- INCLUDES ------------------------------- */
#include "y_ahfile.h"
/* ------------------------------------- FUNCTION --------------------------  */
/* Do    :                                                                    */
/*                                                                            */
/* -------------------------------------------------------------------------- */
void DeterA(int n)
{
double pbA   [MXR][MXC*C2];mZ mA   ={MXR,MXC*C2,&pbA   [0][0]};
double pbCofac[MXR][MXC*C2];mZ mCofac={MXR,MXC*C2,&pbCofac[0][0]};

                     mA.rows=n;                   mA.cols= n*C2;
                 mCofac.rows=n;               mCofac.cols= n*C2;
/*-------------------------------- PROGRAM ---------------------------------- */
 rnd_mZ(&mA,3);

  clrscrn();
  printf("     A\n");
  p_mZ(&mA);

  printf(" mCofac\n");
  cofactor_mZ(&mA,&mCofac);
  p_mZ(&mCofac);
}

void hello(void)
{
  printf("\n Freeware by : xhunga bernard 06000 Nice France.\n");
  printf("\n                                                  ");
  printf("\n              matrix of cofactor                  ");
  printf("\n              ******************                \n");
  printf("\n The size of mA : 2x2 ... 5x5.                  \n");
  printf("\n           ex : \"cofacFR.exe\"                 \n");
  printf("\n You can choose the size :                      \n");
  printf("\n           ex : \"cofacFR.exe 2\" -> mA 2x2       ");
  printf("\n                \"cofacFR.exe 3\" -> mA 3x3       ");
  printf("\n\n                                                ");
  
  printf("\n                                                  ");
  printf("\n Press return to continue                          ");
  printf("\n                                                  ");

  getchar();
}

/* --------------------------------- MAIN ----------------------------------- */
int main(int argc, char *argv[])
{
time_t t;
int    n;

/*-------------------------------- PROGRAM ---------------------------------- */
  srand(time(&t));
  hello();
do
{
if( argc == 2 && atoi(argv[1]))
 {  n = atoi(argv[1]); if( n > 4){n=4;}}
else
 {  n = rndp_I(4);}
if( n < 2){n=2;}


  DeterA(n);


printf("\n\n Press 'X' Return to stop\n");
} while(toupper(getchar())!='X');

  return 0;
}