Lines Matching refs:ycoeff1
47 private double ycoeff1;
186 ycoeff1 = cy0 + cy0 - y0 - y0;
259 return TforY(y, ycoeff0, ycoeff1, ycoeff2);
263 double ycoeff0, double ycoeff1, double ycoeff2)
270 // ycoeff1 should not be 0.0 since we have already eliminated
274 double root = -ycoeff0 / ycoeff1;
280 double d = ycoeff1 * ycoeff1 - 4.0 * ycoeff2 * ycoeff0;
285 // (-ycoeff1 +/- d) / 2ycoeff2
287 // 2ycoeff0 / (-ycoeff1 +/- d)
288 // Choose the sign of the +/- so that ycoeff1+d
290 if (ycoeff1 < 0.0) {
293 double q = (ycoeff1 + d) / -2.0;
340 double y1 = ycoeff0 + ycoeff1 + ycoeff2;
349 return (ycoeff2 * t + ycoeff1) * t + ycoeff0;
368 return (ycoeff2 * t + ycoeff1) * t + ycoeff0;
370 return 2 * ycoeff2 * t + ycoeff1;
403 t0 = TforY(ystart, ycoeff0, ycoeff1, ycoeff2);
408 t1 = TforY(yend, ycoeff0, ycoeff1, ycoeff2);