diff options
| author | red031000 <rubenru09@aol.com> | 2021-07-23 01:11:15 +0100 |
|---|---|---|
| committer | red031000 <rubenru09@aol.com> | 2021-07-23 01:12:27 +0100 |
| commit | 5bf13c7f48fe91c7902ce50250bc1a5a2398a2ae (patch) | |
| tree | 2e91e60bdb7a9174b16d8ca1b532809d4ae2e5b6 /arm9/lib/NitroSDK/src/MATH_pop.c | |
| parent | c2d91a2d997afd01fa4f40e1e16d5ee85557c9a8 (diff) | |
separate out libs to libc, libnns and NitroSDK
Diffstat (limited to 'arm9/lib/NitroSDK/src/MATH_pop.c')
| -rw-r--r-- | arm9/lib/NitroSDK/src/MATH_pop.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arm9/lib/NitroSDK/src/MATH_pop.c b/arm9/lib/NitroSDK/src/MATH_pop.c new file mode 100644 index 00000000..18582494 --- /dev/null +++ b/arm9/lib/NitroSDK/src/MATH_pop.c @@ -0,0 +1,12 @@ +#include "global.h" +#include "MATH_pop.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; +} |