*/
Want to see what people are talking about? See the latest forum posts.
*/

View \xvcopyid.h

Application of the identity matrix II. v05

Submitted By: xhunga
Rating: starstar (Rate It)


/* xvcopyid.h                     freeware                   [[Email Removed]]  */

/*------------------------------- FUNCTION ----------------------- copymAID() */
/* Debug : printmF(m);  getchar();                                            */
/* -------------------------------------------------------------------------- */
void copymAID (
pmatrix mA,
pmatrix mAID
)
{
int i;
int k;
int n = mA->rows;
int j = mA->rows;

double pbID[MXR][MXC*TWOCOL];matrix mID={MXR,MXC*TWOCOL,&pbID[0][0]};

               mID.rows = n       ;
               mID.cols = n*TWOCOL;
/* ------------------------------------------------------------------ copy mA */
    for (k = 0; k < mA->rows ; k++ )
    {
     for (i = 0; i < mA->rows ; i++ )
      {
            *(mAID->pblock+i *mAID->cols+k*TWOCOL   ) =
              *(mA->pblock+i   *mA->cols+k*TWOCOL   );
            *(mAID->pblock+i *mAID->cols+k*TWOCOL+1 ) =
              *(mA->pblock+i   *mA->cols+k*TWOCOL+1 );
      }
    }
/* ----------------------------------------------------------------- copy mID */

  mid(&mID);
    for (k = 0; k < mA->rows ; k++ )
    {
     for (i = 0; i < mA->rows ; i++ )
      {
            *(mAID->pblock+i *mAID->cols+j*TWOCOL   ) =
              *(mID.pblock+i   *mID.cols+k*TWOCOL   );
            *(mAID->pblock+i *mAID->cols+j*TWOCOL+1 ) =
              *(mID.pblock+i   *mID.cols+k*TWOCOL+1 );
      } j++;
    }
}


/*------------------------------- FUNCTION ------------------------ copyinv() */
/* Debug : printmF(m);  getchar();                                            */
/* -------------------------------------------------------------------------- */
void copyinv (
pmatrix mA,
pmatrix mB)
{
int i;
int j = mA->rows;
int k = 0;

    for (k = 0; k < mA->rows ; k++ )
    {
     for (i = 0; i < mA->rows ; i++ )
      {
            *(mB->pblock+i *mB->cols+k*TWOCOL   ) =
            *(mA->pblock+i *mA->cols+j*TWOCOL   );
            *(mB->pblock+i *mB->cols+k*TWOCOL+1 ) =
            *(mA->pblock+i *mA->cols+j*TWOCOL+1 );
      }j++;
    }
}

corner
© 1996-2008 CommunityHeaven LLC. All rights reserved. Reproduction in whole or in part, in any form or medium without express written permission is prohibited.
Violators of this policy may be subject to legal action. Please read our Terms Of Use and Privacy Statement for more information.
North American business development: Nicolai Wadstrom. Publisher: Lars Hagelin.