Lines Matching defs:ipart
106 * Let ipart = int(x)
107 * Let fpart = x - ipart;
108 * So, exp2(x) = exp2(ipart) * exp2(fpart)
109 * Compute exp2(ipart) with i << ipart
115 int32_t ipart;
125 ipart = (int32_t) x;
126 fpart = x - (float) ipart;
129 * epart.f = (float) (1 << ipart)
130 * but faster and without integer overflow for ipart > 31
132 epart.i = (ipart + 127 ) << 23;