Lines Matching refs:y_1
444 double x_1, y_1, x_4, y_4;
447 x_1 = a_1; y_1 = b_1;
452 && (fabs(y_1 - y_mid) < THRESHOLD)) {
457 quadratic_spline(x_1, y_1, ((x_1+a_2)/2.0), ((y_1+b_2)/2.0),
480 double x_1, y_1, x_2, y_2;
487 y_1 = o_y;
494 cy_1 = (y_1 + y_2)/2.0;
496 cy_2 = (y_1 + 3.0*y_2)/4.0;
498 /* fprintf(stderr,"Spline %d (%d,%d)\n",numpoints,(int)x_1,(int)y_1);*/
499 vdmprintf("1%s%s",vdmnum((int)x_1,xcoord),vdmnum((int)y_1,ycoord));
500 splinerel(x_1,y_1,-1);
503 x_1, y_1, cx_1, cy_1);*/
508 y_1 = y_2;
512 y_2 = y_1 + YCOORD(i);
514 cy_3 = (3.0*y_1 + y_2)/4.0;
516 cy_4 = (y_1 + y_2)/2.0;
517 /* fprintf(stderr,"Point (%d,%d) - (%d,%d)\n",(int)x_1,(int)(y_1),(int)x_2,(int)y_2);*/
522 cy_2 = (y_1 + 3.0*y_2)/4.0;
525 y_1 = y_2;
532 cy_3 = (3.0*y_1 + y_2)/4.0;
534 cy_4 = (y_1 + y_2)/2.0;
535 splinerel(x_1, y_1, 0);
536 splinerel(x_1, y_1, 1);
538 vdmnum((int)(y_1-ly),ycoord));*/
540 /* fprintf(tfp, "PA%.4f,%.4f;PU;\n", x_1, y_1);*/