Lines Matching defs:half
156 half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
206 n = static_cast<int32_t>(t * invpio2 + half);
675 half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
696 return x - ((z * (half * y - v * r) - y) - v * S1);
2548 static const double one = 1.0, half = 0.5;
2569 return half * t + half / t;
2572 // |x| in [22, log(maxdouble)], return half*exp(|x|)
2573 if (ix < 0x40862E42) return half * exp(fabs(x));
2577 double w = exp(half * fabs(x));
2578 double t = half * w;
2922 3.725290298461914e-9, // 2^-28, empty lower half
2923 LOG_MAXD = 709.7822265625; // 0x40862E42 00000000, empty lower half