Searched refs:xhalf (Results 1 – 2 of 2) sorted by relevance
129 float xhalf = 0.5f*x; in SkFastInvSqrt() local133 x = x*(1.5f-xhalf*x*x); in SkFastInvSqrt()
589 float xhalf = 0.5f * x; in fastInvSqrt() local593 x = x * (1.5f - xhalf * x * x); // Newton step, repeating increases accuracy in fastInvSqrt()