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| author | cnlohr <lohr85@gmail.com> | 2016-12-15 22:35:34 -0500 |
|---|---|---|
| committer | cnlohr <lohr85@gmail.com> | 2016-12-15 22:35:34 -0500 |
| commit | be571a486992bf01ddf72b536b7c3bc47a87cc78 (patch) | |
| tree | d17f8dcf9c502e11f72ba626acbb218daa463cc5 /redist/linmath.h | |
| parent | 4dbacd89da4fe29ec6ffcf0bd6e1fc4d942b4e27 (diff) | |
| download | libsurvive-be571a486992bf01ddf72b536b7c3bc47a87cc78.tar.gz libsurvive-be571a486992bf01ddf72b536b7c3bc47a87cc78.tar.bz2 | |
Fix library add two more utility functions
Diffstat (limited to 'redist/linmath.h')
| -rw-r--r-- | redist/linmath.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/redist/linmath.h b/redist/linmath.h index 9b21347..5cc7b7d 100644 --- a/redist/linmath.h +++ b/redist/linmath.h @@ -6,6 +6,12 @@ //Yes, I know it's kind of arbitrary. #define DEFAULT_EPSILON 0.001 +//For printf +#define PFTHREE(x) x[0], x[1], x[2] +#define PFFOUR(x) x[0], x[1], x[2], x[3] + +#define LINMATHPI 3.141592653589 + //If you want, you can define FLT to be double for double precision. #ifndef FLT #define FLT float @@ -30,8 +36,9 @@ int compare3d( const FLT * a, const FLT * b, FLT epsilon ); void copy3d( FLT * out, const FLT * in ); +FLT magnitude3d( FLT * a ); - +FLT anglebetween3d( FLT * a, FLT * b ); //Quaternion things... |