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| author | Egor Ananyin <ananinegor@gmail.com> | 2020-05-22 19:46:43 +0300 |
|---|---|---|
| committer | Egor Ananyin <ananinegor@gmail.com> | 2020-05-22 19:46:43 +0300 |
| commit | 7c1d3869d8cf4341acedbe7c662e8ac1ca935666 (patch) | |
| tree | effbe3f4c72ebc7916c88518751e87890de4af8b /arm9/lib/src/MATH.c | |
| parent | 79a7e3dac84f719ca4d0131ac2e30e2c6a4bd73e (diff) | |
Decompile libmath
Diffstat (limited to 'arm9/lib/src/MATH.c')
| -rw-r--r-- | arm9/lib/src/MATH.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arm9/lib/src/MATH.c b/arm9/lib/src/MATH.c new file mode 100644 index 00000000..a14779ac --- /dev/null +++ b/arm9/lib/src/MATH.c @@ -0,0 +1,12 @@ +#include "global.h" +#include "MATH.h" + +ARM_FUNC u8 MATH_CountPopulation(u32 x) { + x -= (x >> 1) & 0x55555555; + x = (x & 0x33333333) + ((x >> 2) & 0x33333333); + x += x >> 4; + x &= 0x0f0f0f0f; + x += x >> 8; + x += x >> 16; + return (u8)x; +} |