Add blenlib function to initialize vectors from a single float.

The new functions are copy_v2_fl, copy_v3_fl, and copy_v4_fl.

2 files changed, 25 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_vector.h b/source/blender/blenlib/BLI_math_vector.h
index af8b52a7edf..7a39fc8b8ce 100644
--- a/source/blender/blenlib/BLI_math_vector.h
+++ b/source/blender/blenlib/BLI_math_vector.h
@@ -50,6 +50,10 @@ MINLINE void copy_v2_v2(float r[2], const float a[2]);
 MINLINE void copy_v3_v3(float r[3], const float a[3]);
 MINLINE void copy_v4_v4(float r[4], const float a[4]);
 
+MINLINE void copy_v2_fl(float r[2], float f);
+MINLINE void copy_v3_fl(float r[3], float f);
+MINLINE void copy_v4_fl(float r[4], float f);
+
 MINLINE void swap_v2_v2(float a[2], float b[2]);
 MINLINE void swap_v3_v3(float a[3], float b[3]);
 MINLINE void swap_v4_v4(float a[4], float b[4]);
diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index 854494763af..12e11714a13 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -77,6 +77,27 @@ MINLINE void copy_v4_v4(float r[4], const float a[4])
 	r[3]= a[3];
 }
 
+MINLINE void copy_v2_fl(float r[2], float f)
+{
+	r[0]= f;
+	r[1]= f;
+}
+
+MINLINE void copy_v3_fl(float r[3], float f)
+{
+	r[0]= f;
+	r[1]= f;
+	r[2]= f;
+}
+
+MINLINE void copy_v4_fl(float r[4], float f)
+{
+	r[0]= f;
+	r[1]= f;
+	r[2]= f;
+	r[3]= f;
+}
+
 /* short */
 MINLINE void copy_v2_v2_char(char r[2], const char a[2])
 {