Lines Matching refs:x_1
444 double x_1, y_1, x_4, y_4;
447 x_1 = a_1; y_1 = b_1;
451 if ((fabs(x_1 - x_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;
485 x_1 = p->x/ppi;*/
486 x_1 = o_x;
493 cx_1 = (x_1 + x_2)/2.0;
495 cx_2 = (x_1 + 3.0*x_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);*/
507 x_1 = x_2;
511 x_2 = x_1 + XCOORD(i);
513 cx_3 = (3.0*x_1 + x_2)/4.0;
515 cx_4 = (x_1 + x_2)/2.0;
517 /* fprintf(stderr,"Point (%d,%d) - (%d,%d)\n",(int)x_1,(int)(y_1),(int)x_2,(int)y_2);*/
521 cx_2 = (x_1 + 3.0*x_2)/4.0;
524 x_1 = x_2;
531 cx_3 = (3.0*x_1 + x_2)/4.0;
533 cx_4 = (x_1 + x_2)/2.0;
535 splinerel(x_1, y_1, 0);
536 splinerel(x_1, y_1, 1);
537 /*vdmprintf("%s%s",vdmnum((int)(x_1-lx),xcoord),\
540 /* fprintf(tfp, "PA%.4f,%.4f;PU;\n", x_1, y_1);*/