aar_sub_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 "v_ahfile.h"
/* ------------------------------------- FUNCTION --------------------------  */
/* Do    :                                                                    */
/*                                                                            */
/* -------------------------------------------------------------------------- */
void AmnsB(int n,int p)
{
mR mA    ={n,p,init_mR(n,p)};
mR mB    ={n,p,init_mR(n,p)};
mR mAmnsB={n,p,init_mR(n,p)};
/*-------------------------------- PROGRAM ---------------------------------- */
  rnd_mR(&mA,9);
  rnd_mR(&mB,9);

  clrscrn();
  printf("                                                       A");
  p_mR(&mA);
  printf("                                                       B");
  p_mR(&mB);
  getchar();

  sub_mR( &mA,&mB,&mAmnsB);

  printf("                                                       A - B");
  p_mR(&mAmnsB);

 free(   mA.pb);
 free(   mB.pb);
 free(mAmnsB.pb);
}

void hello(void)
{
  printf("\n Freeware by : xhunga bernard 06000 Nice France.\n");
  printf("\n                                                  ");
  printf("\n            subtract two matrices                 ");
  printf("\n            *********************               \n");
  printf("\n The size of mA, mB, mAB : 1x1 ... 6x6.         \n");
  printf("\n     ex : \"submRR.exe\"                        \n");
  printf("\n You can choose the size :                      \n");
  printf("\n     ex : \"submR.exe 2 3\" -> 2x3                ");
  printf("\n          \"submR.exe 1 5\" -> 1x5                ");
  printf("\n          \"submR.exe 4 2\" -> 4x2                ");
  printf("\n          \"submR.exe 5 5\" -> 5x5                ");
  printf("\n\n                                                ");
  printf("\n Distributed  by :  http://www.simtel.net/        ");
  printf("\n                                                  ");
  printf("\n Press return to continue                          ");
  printf("\n                                                  ");
  getchar();
}


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

/*-------------------------------- PROGRAM ---------------------------------- */
  srand(time(&t));
  hello();
do
{
if( argc == 3 && atoi(argv[1])&& atoi(argv[2]))
 {n = atoi(argv[1]); if( n > 6){n=6;}
  p = atoi(argv[2]); if( p > 6){p=6;}}
else
 {    n=rndp_I(6);       p=rndp_I(6); }
   if(n<1){n=1;}     if(p<1){p=1;}


  AmnsB(n,p);


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

  return 0;
}