Name `Vec3p` functions and `abs`

1 files changed, 8 insertions, 0 deletions

diff --git a/include/lib/math.h b/include/lib/math.h
index a8951eb4..a39974cc 100644
--- a/include/lib/math.h
+++ b/include/lib/math.h
@@ -32,6 +32,14 @@ typedef struct {
     /* c */
 } Vec3p;
 
+extern "C" void Vec3p_Add(Vec3p *a, Vec3p *b, Vec3p *out);
+extern "C" void Vec3p_Sub(Vec3p *a, Vec3p *b, Vec3p *out);
+extern "C" q20 Vec3p_Dot(Vec3p *a, Vec3p *b);
+extern "C" void Vec3p_Cross(Vec3p *a, Vec3p *b, Vec3p *out);
+extern "C" q20 Vec3p_Length(Vec3p *a);
+extern "C" void Vec3p_Normalize(Vec3p *vec, Vec3p *out);
+extern "C" void Vec3p_Axpy(q20 a, Vec3p *x, Vec3p *y, Vec3p *out);
+
 typedef struct {
     /* 00 */ q20 x;
     /* 04 */ q20 y;