Lines Matching defs:xc
1077 double xc = -fabs(x0 + x1 - x2 - x3);
1078 double xa = xc - 4 * sx * (x1 - x2);
1088 ((x3 - x0) * (x1 - x2) < EP || xb * xb < xa * xc + EP));
1102 ac = xa * yc - xc * ya;
1103 bc = xb * yc - xc * yb;
1116 dy = 27 * (8 * ab * (xb * xb - xa * xc) -
1117 ex * (xa + 2 * xb + xc)) / 64 - xa * xa * (xy + xa);
1121 yy = 3 * (3 * ab * (3 * xb * xb - xa * xa - 2 * xa * xc) -
1126 xy = 3 * (xy + 9 * f * (cb * yb * yc - xb * xc * ac) -
1195 long xc = x0 + x1 - x2 - x3;
1196 long xa = xc - 4 * (x1 - x2);
1205 double t1 = (double) (xb * xb - xa * xc), t2, t[5];
1213 if (labs(xc) < 2 * labs(xb))
1214 t[n++] = (double) xc / (2.0 * (double) xb); /* one change */
1251 fx1 = (t1 * (t1 * (double) xb - (double) (2 * xc)) -
1253 xc) + (double) xd) / 8 - fx0;
1257 fx2 = (t2 * (t2 * (double) xb - (double) (2 * xc)) -
1259 xc) + (double) xd) / 8 - fx0;
1264 (double) (3 * xc)) + (double) xd) / 8;