Lines Matching refs:xh
124 double a, t, z, w = 0.0L, s, c, r, rh, xh, xl;
146 * Also let xh = x+T chopped to 20 bits, xl = (x-xh)+T. Then
148 * = rh + r*((1+rh*xh)+rh*xl).
152 xh = w;
153 ((int *) &xh)[LOWORD] = 0;
154 xl = (x - xh) + t;
155 return (rh + r * ((one + rh * xh) + rh * xl));
180 * Also let xh = a+c chopped to 20 bits, xl = (a-xh)+c. Then
183 * = rh + r*((1-T-rh*xh)-rh*xl)
184 * = rh + r*(((1-rh*xh)-T)-rh*xl)
189 xh = a + c;
190 ((int *) &xh)[LOWORD] = 0;
191 xl = (a - xh) + c;
192 z = rh + r * (((one - rh * xh) - t) - rh * xl);