matmul_i32e
# include "scicos_block4.h"
# include "../machine.h"
# include <math.h>
# include <stdio.h>
extern int sciprint();
void matmul_i32e(scicos_block *block,int flag)
{
if ((flag==1)|(flag==6)) {
long *u1,*u2,*y;
double k,C,D;
int mu1,nu1,nu2,i,j,l,ji,jl,il;
int *ipar;
mu1=GetInPortRows(block,1);
nu1=GetInPortCols(block,1);
nu2=GetInPortCols(block,2);
u1=Getint32InPortPtrs(block,1);
u2=Getint32InPortPtrs(block,2);
y=Getint32OutPortPtrs(block,1);
ipar=GetIparPtrs(block);
k=pow(2,32);
for (l=0;l<nu2;l++)
{for(j=0;j<mu1;j++)
{D=0;
for(i=0;i<nu1;i++)
{ji=j+i*mu1;
jl=j+l*mu1;
il=i+l*nu1;
C=(double)(u1[ji])*(double)(u2[il]);
D=D + C;}
if ((D>((k/2)-1)) |(D<-((k/2))))
{sciprint("overflow error");
set_block_error(-4);
return;}
else {y[jl]=(long)(D);}
}
}
}
}