在qt下面是用openmp报错 - QTCN开发网

#pragma omp parallel for num_threads(2)
    for(int i = 0 ;i < y; i++){
        for(int j = 0 ;j < x;j++){
            QPoint point;
            QColor c;
            QPen pen;
            float r=0,g=0,b=0;

          if(values[i*x+j]>0){
               r = 1 ;
               g = 1 - values[i*x+j] / maxData ;
               g = g<0?0:g;
               b = g;
           }else{
               r = 1 +  values[i*x+j] / maxData ;
               r = r<0?0:r;
               g = r;
               b = 1;
           }
           /* if(i==j){
                r=1;
                g=0;
                b=0;
            }*/
            c.setRgbF(r,g,b);
            pen.setColor(c);
            point.setX(startX+j);
            point.setY(startY+i);
            painter->setPen(pen);
            //printf("i = %d\tj=%d\n",i,j);
            painter->drawPoint(point);
        }
    }
#pragma omp barrier