C++ SIMD header-only math library targeting game/engine development mixing features of:
| file | description |
|---|---|
math.hpp |
template prototypes describe intended implementations |
get clone --recurse-submodules --recursive http://github.com/jopadan/whmath
cd whmathcmake . --install-prefix=/usr
make installChange CMakeLists.txt compile flags to fit your needs:
add_compile_options(-march=native -mfpmath=sse+387 -mveclibabi=svml -O3)#include <whmath/math.hpp>
using namespace math;
/* single float scalar */
sca::f32 s = 213.0f;
/* unsigned byte vector of size 4 */
vec::u8<4> a = { 43, 52, 32, 53 };
/* single float vector of size 4 */
vec::f32<4> b = { 32.0, 54.0, 43.0, 34.0 };
/* unsigned short integer bitfield with 3 color components */
col::u16<5,6,5> c = { 24, 12, 12 };
/* unsigned short integer bitfield with 4 color components */
col::u16<4,4,4,4> d = { 24, 12, 12, 8 };
/* unsigned char integer vector with 4 color components */
col::u8<4> e = { 24, 12, 12, 8 };
/* floating point vector with 4 color components */
col::f32<4> f = { 24.0f, 12.0f, 12.0f, 8.0f };
/* 3d vector product */
mat::f32<3, 3> m3 = mat::f32<3,3>::identity();
m3[2] = prd::cross<sca::f32, 3>(m3[0], m3[1]);
/* 4d vector product */
mat::f32<4, 4> m4 = mat::f32<4,4>::identity();
m4[3] = prd::cross<sca::f32, 4>(m4[0], m4[1], m4[2]);