Lines Matching defs:dx2
429 // dx2 = (1 + dx) * r2 - 1
431 // -0x1.3ffcp-15 <= dx2 <= 0x1.3e3dp-15
434 double dx2 = fputil::multiply_add(1.0 + dx, R2[idx2], -1.0); // Exact
451 DoubleDouble dx_dd({0.0, dx2});
454 // log2(1 + dx2) ~ dx2 * P(dx2)
455 DoubleDouble log2_x_lo = fputil::quick_mult(dx2, p);
460 // log2(1 + dx2) - log2(r2) + lower part of (e_x - log2(r1))
467 // 2^6 * y * (log2(1 + dx2) - log2(r2) + lower part of (e_x - log2(r1)))
732 double dx2 = dx * dx; // Exact
737 double p = fputil::polyeval(dx2, c0, c1, c2);
749 // double dx2 = dx * dx;
752 // double p = fputil::polyeval(dx2, c0, c1, COEFFS[4]);