Application


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c00a.c
/* ------------------------------------ */
/*  Save as :   c00a.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define   RA R4
#define   CA C4
#define   Cb C1
/* ------------------------------------ */
int main(void)
{
double ab[RA*(CA+C1)]={
    -944,     +337,     -777,     -131,     -592, 
    -944,     +337,     -777,     -131,     -592, 
    +509,     +581,     -475,     -544,     -649, 
     +69,     +777,     -245,      -51,     +974      
};

double **Ab = ca_A_mR(ab,i_Abr_Ac_bc_mR(RA,CA,Cb));

double **A  = c_Ab_A_mR(Ab,i_mR(RA,CA));
double **b  = c_Ab_b_mR(Ab,i_mR(RA,Cb));

double **Ab_free = i_Abr_Ac_bc_mR(csize_A_R(Ab),csize_A_R(Ab),Cb+C1);

double **b_free  = i_mR(rsize_R(Ab_free),csize_b_R(Ab_free)); 

int r;

  clrscrn();
  printf(" A :");
  p_mR(A,S10,P4,C10);
  printf(" b :");
  p_mR(b,S10,P4,C10);
  printf(" Ab :");
  p_mR(Ab,S10,P4,C10);
  stop();

  clrscrn();
  printf(" Copy/Past into the octave window.\n\n");
  p_Octave_mR(Ab,"Ab",P4);
  printf("\n rref(Ab,.00000000001)\n\n");
  printf(" Ab :  gj_PP_mR(Ab,NO) :");
  gj_PP_mR(Ab,NO);
  p_mR(Ab,S10,P4,C10);
  stop();
  
  clrscrn();  
  put_zeroR_mR(Ab,Ab_free);  
  printf(" Ab_free : put_zeroR_mR(Ab,Ab_free);");  
  p_mR(Ab_free,S10,P4,C10);  

  put_freeV_mR(Ab_free);
  printf(" Ab_free : put_freeV_mR(Ab_free);");  
  p_mR(Ab_free,S10,P4,C10);  
  stop();
  
  clrscrn();
  printf(" Copy/Past into the octave window.\n\n");
  p_Octave_mR(Ab_free,"Ab_free",P4);
  printf("\n rref(Ab_free,.00000000001)\n\n");

  r = rsize_R(Ab_free);
  while(r>R1)    
        zero_below_pivot_gj1Ab_mR(Ab_free,r--);
        
  printf(" Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);");  
  p_mR(Ab_free,S10,P4,C10);  
  stop();	
  
  clrscrn();
  c_Ab_b_mR(Ab_free,b_free);
  printf(" b_free :"); 
  p_mR(b_free,S10,P4,C7);
  printf(" b_free : free variables");
  p_freeV(b_free,S8,P4);
  stop();

  f_mR(Ab);
  f_mR(Ab_free);
  f_mR(b_free);
  f_mR(b);
  f_mR(A);
  
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */


Exemple de sortie écran :
 ---------------------
 A :
 -944.0000  +337.0000  -777.0000  -131.0000 
 -944.0000  +337.0000  -777.0000  -131.0000 
 +509.0000  +581.0000  -475.0000  -544.0000 
  +69.0000  +777.0000  -245.0000   -51.0000 

 b :
 -592.0000 
 -592.0000 
 -649.0000 
 +974.0000 

 Ab :
 -944.0000  +337.0000  -777.0000  -131.0000  -592.0000 
 -944.0000  +337.0000  -777.0000  -131.0000  -592.0000 
 +509.0000  +581.0000  -475.0000  -544.0000  -649.0000 
  +69.0000  +777.0000  -245.0000   -51.0000  +974.0000 

 Press return to continue. 


 ---------------------
 Copy/Past into the octave window.

 Ab=[
-944.0000,+337.0000,-777.0000,-131.0000,-592.0000;
-944.0000,+337.0000,-777.0000,-131.0000,-592.0000;
+509.0000,+581.0000,-475.0000,-544.0000,-649.0000;
+69.0000,+777.0000,-245.0000,-51.0000,+974.0000]


 rref(Ab,.00000000001)

 Ab :  gj_PP_mR(Ab,NO) :
   +1.0000    -0.3570    +0.8231    +0.1388    +0.6271 
   +0.0000    +1.0000    -0.3765    -0.0756    +1.1610 
   -0.0000    -0.0000    +1.0000    +0.9179    +3.0549 
   +0.0000    +0.0000    +0.0000    +0.0000    +0.0000 

 Press return to continue. 


 ---------------------
 Ab_free : put_zeroR_mR(Ab,Ab_free);
   +1.0000    -0.3570    +0.8231    +0.1388    +0.6271    +0.0000 
   +0.0000    +1.0000    -0.3765    -0.0756    +1.1610    +0.0000 
   -0.0000    -0.0000    +1.0000    +0.9179    +3.0549    +0.0000 
   +0.0000    +0.0000    +0.0000    +0.0000    +0.0000    +0.0000 

 Ab_free : put_freeV_mR(Ab_free);
   +1.0000    -0.3570    +0.8231    +0.1388    +0.6271    +0.0000 
   +0.0000    +1.0000    -0.3765    -0.0756    +1.1610    +0.0000 
   -0.0000    -0.0000    +1.0000    +0.9179    +3.0549    +0.0000 
   +0.0000    +0.0000    +0.0000    +1.0000    +0.0000    +1.0000 

 Press return to continue. 


 ---------------------
 Copy/Past into the octave window.

 Ab_free=[
+1.0000,-0.3570,+0.8231,+0.1388,+0.6271,+0.0000;
+0.0000,+1.0000,-0.3765,-0.0756,+1.1610,+0.0000;
-0.0000,-0.0000,+1.0000,+0.9179,+3.0549,+0.0000;
+0.0000,+0.0000,+0.0000,+1.0000,+0.0000,+1.0000]


 rref(Ab_free,.00000000001)

 Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);
   +1.0000    +0.0000    +0.0000    +0.0000    -1.0623    +0.5204 
   +0.0000    +1.0000    +0.0000    +0.0000    +2.3111    -0.2700 
   -0.0000    -0.0000    +1.0000    +0.0000    +3.0549    -0.9179 
   +0.0000    +0.0000    +0.0000    +1.0000    +0.0000    +1.0000 

 Press return to continue. 


 ---------------------
 b_free :
   -1.0623    +0.5204 
   +2.3111    -0.2700 
   +3.0549    -0.9179 
   +0.0000    +1.0000 

 b_free : free variables
 x1 =   -1.0623  +0.5204*u
 x2 =   +2.3111  -0.2700*u
 x3 =   +3.0549  -0.9179*u
 x4 =   +0.0000  +1.0000*u

 Press return to continue.