rename mul_project_m4_v4 to mul_project_m4_v3.

2 files changed, 3 insertions, 5 deletions

diff --git a/source/blender/blenlib/BLI_math_matrix.h b/source/blender/blenlib/BLI_math_matrix.h
index 939c4348461..d8719f399ae 100644
--- a/source/blender/blenlib/BLI_math_matrix.h
+++ b/source/blender/blenlib/BLI_math_matrix.h
@@ -84,7 +84,7 @@ void mul_v3_m4v3(float r[3], float M[4][4], float v[3]);
 void mul_mat3_m4_v3(float M[4][4], float r[3]);
 void mul_m4_v4(float M[4][4], float r[4]);
 void mul_v4_m4v4(float r[4], float M[4][4], float v[4]);
-void mul_project_m4_v4(float M[4][4], float r[3]);
+void mul_project_m4_v3(float M[4][4], float vec[3]);
 
 void mul_m3_v3(float M[3][3], float r[3]);
 void mul_v3_m3v3(float r[3], float M[3][3], float a[3]);
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index 9fde87d734f..5edf6e28d4c 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -340,11 +340,9 @@ void mul_mat3_m4_v3(float mat[][4], float *vec)
 	vec[2]= x*mat[0][2] + y*mat[1][2] + mat[2][2]*vec[2];
 }
 
-void mul_project_m4_v4(float mat[][4], float *vec)
+void mul_project_m4_v3(float mat[][4], float vec[3])
 {
-	float w;
-
-	w = vec[0]*mat[0][3] + vec[1]*mat[1][3] + vec[2]*mat[2][3] + mat[3][3];
+	const float w= vec[0]*mat[0][3] + vec[1]*mat[1][3] + vec[2]*mat[2][3] + mat[3][3];
 	mul_m4_v3(mat, vec);
 
 	vec[0] /= w;