summation.c

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#include "scicos_block.h"
#include <math.h>

void summation(scicos_block *block,int flag)
{
  int j,k;
  if(flag==1){
    if (block->nin==1){
      block->outptr[0][0]=0.0;
      for (j=0;j<block->insz[0];j++) {
        block->outptr[0][0]=block->outptr[0][0]+block->inptr[0][j];
      }
    }
    else {
      for (j=0;j<block->insz[0];j++) {
        block->outptr[0][j]=0.0;
        for (k=0;k<block->nin;k++) {
          if(block->ipar[k]>0){
            block->outptr[0][j]=block->outptr[0][j]+block->inptr[k][j];
          }else{
            block->outptr[0][j]=block->outptr[0][j]-block->inptr[k][j];
          }
        }
      }
    }
  }
}

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