Lines Matching refs:tail
32 /* Compute y+TAIL = log(x) where the rounded result is y and TAIL has about
36 log_inline (uint64_t ix, double_t *tail)
101 *tail = hi - y + lo;
177 double_t kd, z, r, r2, scale, tail, tmp;
221 /* 2^(k/N) ~= scale * (1 + tail). */
224 tail = asdouble (T[idx]);
227 /* exp(x) = 2^(k/N) * exp(r) ~= scale + scale * (tail + exp(r) - 1). */
233 tmp = tail + r + r2 * C2 + r * r2 * (C3 + r * C4);
235 tmp = tail + r + r2 * (C2 + r * C3) + r2 * r2 * (C4 + r * C5);
237 tmp = tail + r + r2 * (0.5 + r * C3) + r2 * r2 * (C4 + r * C5 + r2 * C6);
