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HMM_FastInverseSquareRoot indentation adjustment

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Kyle De'Vir
2016-05-29 04:04:16 +10:00
parent 6a1e42ed74
commit 116e3bb41b
1 changed files with 9 additions and 9 deletions
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18
HandmadeMath.h
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@@ -355,19 +355,19 @@ HMM_LengthSquareRoot(hmm_vec3 A)
HINLINE float HINLINE float
HMM_FastInverseSquareRoot(float Number) HMM_FastInverseSquareRoot(float Number)
{ {
long i; long i;
float x2, y; float x2, y;
const float threehalfs = 1.5f; const float threehalfs = 1.5f;
x2 = Number * 0.5f; x2 = Number * 0.5f;
y = Number; y = Number;
i = * ( long * ) &y; // evil floating point bit level hacking i = * ( long * ) &y; // evil floating point bit level hacking
i = 0x5f3759df - ( i >> 1 ); // what the fuck? i = 0x5f3759df - ( i >> 1 ); // what the fuck?
y = * ( float * ) &i; y = * ( float * ) &i;
y = y * ( threehalfs - ( x2 * y * y ) ); y = y * ( threehalfs - ( x2 * y * y ) );
return ( y ); return ( y );
} }
HINLINE float HINLINE float