[PD-cvs] externals/iem/iemmatrix/src mtx_mul.c, 1.1, 1.2 mtx_transpose.c, 1.3, 1.4

[IOhannes m zmölnig]

Update of /cvsroot/pure-data/externals/iem/iemmatrix/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24730

Modified Files:
	mtx_mul.c mtx_transpose.c 
Log Message:
added safety checks whether the matrix is non-NULL


Index: mtx_transpose.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iem/iemmatrix/src/mtx_transpose.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** mtx_transpose.c	11 May 2005 13:05:29 -0000	1.3
--- mtx_transpose.c	11 May 2005 14:06:27 -0000	1.4
***************
*** 19,23 ****
  t_matrixfloat*mtx_doTranspose(t_matrixfloat*transposee, int row, int col){
    int r,c;
!   t_matrixfloat*transposed=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*row*col);
    r=row;
    while(r--){
--- 19,25 ----
  t_matrixfloat*mtx_doTranspose(t_matrixfloat*transposee, int row, int col){
    int r,c;
!   t_matrixfloat*transposed=0;
!   if(!transposee||!row||!col)return 0;
!   transposed=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*row*col);
    r=row;
    while(r--){

Index: mtx_mul.c
===================================================================
RCS file: /cvsroot/pure-data/externals/iem/iemmatrix/src/mtx_mul.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** mtx_mul.c	11 May 2005 13:05:29 -0000	1.1
--- mtx_mul.c	11 May 2005 14:06:26 -0000	1.2
***************
*** 25,29 ****
  
  t_matrixfloat*mtx_doMultiply(int rowA, t_matrixfloat*A, int colArowB, t_matrixfloat*B, int colB){
!   t_matrixfloat*result=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*rowA*colB);
    int r, c, n;
    for(r=0; r<rowA; r++){
--- 25,31 ----
  
  t_matrixfloat*mtx_doMultiply(int rowA, t_matrixfloat*A, int colArowB, t_matrixfloat*B, int colB){
!   t_matrixfloat*result=0;
!   if(!A || !B || !rowA || !colArowB || !colB)return 0;
!   result=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*rowA*colB);
    int r, c, n;
    for(r=0; r<rowA; r++){
***************
*** 32,35 ****
--- 34,38 ----
        for(n=0;n<colArowB; n++)
          sum+=A[colArowB*r+n]*B[colB*n+c];
+       result[colB*r+c]=sum;
      }
    }