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Cleanup.

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Бранимир Караџић
2024-11-22 19:26:20 -08:00
parent fc6859facd
commit d588a8fb0e
4 changed files with 19 additions and 17 deletions
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14
include/bx/inline/math.inl
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@@ -227,6 +227,20 @@ namespace bx
return log(_a) * kInvLogNat2;
}
inline BX_CONSTEXPR_FUNC float ldexp(float _a, int32_t _b)
{
const uint32_t ftob = floatToBits(_a);
const uint32_t masked = uint32_and(ftob, kFloatSignMask | kFloatExponentMask);
const uint32_t expsign0 = uint32_sra(masked, kFloatExponentBitShift);
const uint32_t tmp = uint32_iadd(expsign0, _b);
const uint32_t expsign1 = uint32_sll(tmp, kFloatExponentBitShift);
const uint32_t mantissa = uint32_and(ftob, kFloatMantissaMask);
const uint32_t bits = uint32_or(mantissa, expsign1);
const float result = bitsToFloat(bits);
return result;
}
template<>
inline BX_CONSTEXPR_FUNC uint8_t countBits(uint32_t _val)
{

4
include/bx/math.h
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@@ -254,9 +254,9 @@ namespace bx
///
BX_CONST_FUNC float pow(float _a, float _b);
/// Returns the result of multiplying _a by 2 raised to the power of the exponent.
/// Returns the result of multiplying _a by 2 raised to the power of the exponent `_a * (2^_b)`.
///
BX_CONST_FUNC float ldexp(float _a, int32_t _b);
BX_CONSTEXPR_FUNC float ldexp(float _a, int32_t _b);
/// Returns decomposed given floating point value _a into a normalized fraction and
/// an integral power of two.