Lines Matching defs:iy
37 * Let w=r+i*s = sqrt(x+iy). Then (r + i s) = r - s + i 2sr = x + i y.
96 * csqrt(-inf+ iy ) = 0 + i inf for finite positive-signed y
97 * csqrt(+inf+ iy ) = inf + i 0 for finite positive-signed y
123 int n, ix, iy, hx, hy, lx, ly;
132 iy = hy & 0x7fffffff;
135 if (ix >= 0x7ff00000 || iy >= 0x7ff00000) {
137 if (ISINF(iy, ly))
149 } else if ((iy | ly) == 0) { /* y = 0 */
157 } else if (ix >= iy) {
158 n = (ix - iy) >> 20;
165 } else if (iy < 0x20b00000) { /* y < 2**-500 */
179 n = (iy - ix) >> 20;
183 else if (iy >= 0x7fe00000)
189 } else if (iy >= 0x5f300000) { /* y > 2**500 */