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FPRSqrtEstimate: Deduplicate array bounds

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Dehardcodes a few constants in the loops.
This commit is contained in:
Lioncash 2018-07-22 17:30:56 -04:00 committed by MerryMage
parent b7bd70fd19
commit 0a64a66b26
1 changed files with 5 additions and 3 deletions
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8
src/common/fp/op/FPRSqrtEstimate.cpp
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@ -22,9 +22,11 @@ namespace Dynarmic::FP {
/// Input is a u1.8 fixed point number. /// Input is a u1.8 fixed point number.
static u8 RecipSqrtEstimate(u64 a) { static u8 RecipSqrtEstimate(u64 a) {
static const std::array<u8, 512> lut = []{ using LUT = std::array<u8, 512>;
std::array<u8, 512> result{};
for (u64 i = 128; i < 512; i++) { static const LUT lut = [] {
LUT result{};
for (u64 i = 128; i < result.size(); i++) {
u64 a = i; u64 a = i;
if (a < 256) { if (a < 256) {
a = a * 2 + 1; a = a * 2 + 1;