Lines Matching refs:sign
56 * erf(x) = sign(x) * (c + P1(s)/Q1(s))
75 * erf(x) = sign(x)*(1.0 - erfc(x)) if x < 6.666, else
76 * erf(x) = sign(x)*(1.0 - tiny)
90 * erf(x) = sign(x) *(1 - tiny) (raise inexact)
291 int sign = u.i.se >> 15;
295 return 1 - 2*sign + 1/x;
312 return sign ? -y : y;
320 int sign = u.i.se >> 15;
324 return 2*sign + 1/x;
339 return sign ? 2 - erfc2(ix,x) : erfc2(ix,x);
341 return sign ? 2 - y : y*y;