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Linear algebra functions and utilities for 3D rendering in C

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c3dlas
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izzy 0edc3acace qFromBasis fixed (again) with the BIG note that all such functions should have il y a 1 jour
intersect 4b95e710af fixed bug in veqexact il y a 2 semaines
optimizations 5d318b7e08 beginning migration to version 2 il y a 4 ans
.gitignore 8827e68c4b tri/plane clipping il y a 4 ans
LICENSE fe493e9cf8 point-polygon distance function il y a 2 ans
README.md 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes il y a 2 ans
build.sh fe9395c9bd Mostly finished migration to version 2, filled in many missing functions il y a 4 ans
c3dlas.c 88eaf75163 vDiv, fixes for matrix and quaternion fns il y a 3 jours
c3dlas.h 88eaf75163 vDiv, fixes for matrix and quaternion fns il y a 3 jours
generic_vectors.h 88eaf75163 vDiv, fixes for matrix and quaternion fns il y a 3 jours
inertia.c 9475019198 Inertial moment functions il y a 1 an
inertia.h 9475019198 Inertial moment functions il y a 1 an
legacy_migration.sh 5d318b7e08 beginning migration to version 2 il y a 4 ans
matrix3.c 5b8cd715ba missing semicolon and some other fixes il y a 1 an
matrix4.c 88eaf75163 vDiv, fixes for matrix and quaternion fns il y a 3 jours
meshgen.c 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes il y a 2 ans
meshgen.h 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes il y a 2 ans
quaternion.c 0edc3acace qFromBasis fixed (again) with the BIG note that all such functions should have il y a 1 jour
short_macros.h e53f9c0dfb make the vector short macro initializers eat trailing commas il y a 4 mois
test.c 5d318b7e08 beginning migration to version 2 il y a 4 ans

README.md

c3dlas

Linear algebra functions and utilities for 3D rendering in C

This library exists because I couldn't find an MIT/BSD licensed C library for doing the math required in a OpenGL program. It's not optimized, extensive, or sophisticated. It is free and written in pure C.

C++ has become fat and ugly with age. Not that it was a 9 to start with...

ATLAS/CBLAS are an incomprehensible mess.

GPL, while a wonderful thing, is a bit heavy-handed for some basic math functions.

I firmly believe that such a library did not exist because most of the functionality was built in to older OpenGL versions. By the time OpenGL 3.3 came out most developers had converted to worshiping under the altar of OOP.

There are probably math bugs somewhere. If you find one, report it on github. Preferably include how to fix it to make my life easier.