Lines Matching defs:sign
47 * erf(x) = sign(x) * (c + P1(s)/Q1(s))
72 * erf(x) = sign(x)*(1.0 - erfc(x)) if x < 6, else
73 * erf(x) = sign(x)*(1.0 - tiny)
96 * erf(x) = sign(x) *(1 - tiny) (raise inexact)
217 int sign;
220 sign = ix>>31;
224 return 1-2*sign + 1/x;
241 return sign ? -y : y;
248 int sign;
251 sign = ix>>31;
255 return 2*sign + 1/x;
264 if (sign || ix < 0x3fd00000) { /* x < 1/4 */
270 return sign ? 2 - erfc2(ix,x) : erfc2(ix,x);
272 return sign ? 2 - 0x1p-1022 : 0x1p-1022*0x1p-1022;