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Cleanup.

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This commit is contained in:
Бранимир Караџић
2023-04-21 19:04:07 -07:00
parent 5a9987eeba
commit dd4c9427a4
5 changed files with 70 additions and 30 deletions
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11
src/math.cpp
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@@ -10,7 +10,8 @@
namespace bx
{
const float kInfinity = bitsToFloat(UINT32_C(0x7f800000) );
const float kFloatInfinity = bitsToFloat(kFloatExponentMask);
const double kDoubleInfinity = bitsToDouble(kDoubleExponentMask);
namespace
{
@@ -135,11 +136,11 @@ namespace bx
BX_CONST_FUNC float ldexp(float _a, int32_t _b)
{
const uint32_t ftob = floatToBits(_a);
const uint32_t masked = uint32_and(ftob, UINT32_C(0xff800000) );
const uint32_t masked = uint32_and(ftob, kFloatSignMask | kFloatExponentMask);
const uint32_t expsign0 = uint32_sra(masked, 23);
const uint32_t tmp = uint32_iadd(expsign0, _b);
const uint32_t expsign1 = uint32_sll(tmp, 23);
const uint32_t mantissa = uint32_and(ftob, UINT32_C(0x007fffff) );
const uint32_t mantissa = uint32_and(ftob, kFloatMantissaMask);
const uint32_t bits = uint32_or(mantissa, expsign1);
const float result = bitsToFloat(bits);
@@ -149,9 +150,9 @@ namespace bx
float frexp(float _a, int32_t* _outExp)
{
const uint32_t ftob = floatToBits(_a);
const uint32_t masked0 = uint32_and(ftob, UINT32_C(0x7f800000) );
const uint32_t masked0 = uint32_and(ftob, kFloatExponentMask);
const uint32_t exp0 = uint32_srl(masked0, 23);
const uint32_t masked1 = uint32_and(ftob, UINT32_C(0x807fffff) );
const uint32_t masked1 = uint32_and(ftob, kFloatSignMask | kFloatMantissaMask);
const uint32_t bits = uint32_or(masked1, UINT32_C(0x3f000000) );
const float result = bitsToFloat(bits);