Lines Matching defs:highest_significant_bit
169 const int highest_significant_bit = 63 - CountLeadingZeros(mantissa);
170 int shift = highest_significant_bit - mbits;
181 // Shifts higher than highest_significant_bit+1 will always produce a zero
182 // result. A shift of exactly highest_significant_bit+1 might produce a
184 if (shift > (highest_significant_bit + 1)) {
202 mantissa &= ~(UINT64_C(1) << highest_significant_bit);
