Lines Matching defs:c2
360 VGfloat a1, a2, b1, b2, c1, c2; /* Coefficients of line eqns */375 c2 = x4 * y3 - x3 * y4;377 r1 = a2 * x1 + b2 * y1 + c2;378 r2 = a2 * x2 + b2 * y2 + c2;