Linear Algebra and the C Language/a0kr

/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */   
/* ------------------------------------ */
double **X_m0_mR(
double **Zer
)
{
int r;
int c;

  for   ( r=R1; r<Zer[R_SIZE][C0]; r++)
    for ( c=C1; c<Zer[C_SIZE][C0]; c++)

            Zer[r][c] = 0.;
return(Zer);
}
/* ------------------------------------ */
/* ------------------------------------ */
int main(void)
{  
double **A = r_mR(i_mR(R5,C6), 9);

  clrscrn();
  
  printf(" A:");
  p_mR(A, S4,P0,C6);

  printf(" m0_mR(A);");
  p_mR(m0_mR(A), S4,P0,C6);

  stop();
    
  f_mR(A);
        
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */

                                                                                       
A:
  +2   -1   -6   +2   -7   -6 
  -6   +6   +7   +8   +9   -7 
  +9   -9   -2   +6   +1   -6 
  +2   +5   -7   -1   -6   +6 
  +3   +3   +2   -9   +6   -5 

 m0_mR(A);
  +0   +0   +0   +0   +0   +0 
  +0   +0   +0   +0   +0   +0 
  +0   +0   +0   +0   +0   +0 
  +0   +0   +0   +0   +0   +0 
  +0   +0   +0   +0   +0   +0 

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