gainblk_i32s
#include <math.h>
#include "../machine.h"
#include "scicos_block4.h"
void gainblk_i32s(scicos_block *block,int flag)
{
if ((flag==1)|(flag==6)){
int i,j,l,ji,jl,il;
long *u,*y;
int mu,ny,my,mo,no;
long *opar;
double k,D,C;
mo=GetOparSize(block,1,1);
no=GetOparSize(block,1,2);
mu=GetInPortRows(block,1);
my=GetOutPortRows(block,1);
ny=GetOutPortCols(block,1);
u=Getint32InPortPtrs(block,1);
y=Getint32OutPortPtrs(block,1);
opar=Getint32OparPtrs(block,1);
k=pow(2,32)/2;
if (mo*no==1){
for (i=0;i<ny*mu;++i){
D=(double)(opar[0])*(double)(u[i]);
if (D>=k) D=k-1;
else if (D<-k) D=-k;
y[i]=(long)D;
}
}else{
for (l=0;l<ny;l++)
{for (j=0;j<my;j++)
{D=0;
for (i=0;i<mu;i++)
{ji=j+i*my;
jl=j+l*my;
il=i+l*mu;
C=(double)(opar[ji])*(double)(u[il]);
D=D + C;}
if (D>=k) D=k-1;
else if (D<-k) D=-k;
y[jl]=(long)D;
}
}
}
}
}