[Bf-blender-cvs] [4d85396fe4f] master: Cleanup: use const

[Campbell Barton]

Commit: 4d85396fe4f7e3a870fb844b5207179f7dd03eb2
Author: Campbell Barton
Date:   Tue Sep 5 22:39:00 2017 +1000
Branches: master
https://developer.blender.org/rB4d85396fe4f7e3a870fb844b5207179f7dd03eb2

Cleanup: use const

Also use assert w/ rotate_m4.

===================================================================

M	source/blender/blenlib/BLI_dial.h
M	source/blender/blenlib/intern/BLI_dial.c
M	source/blender/blenlib/intern/math_matrix.c

===================================================================

diff --git a/source/blender/blenlib/BLI_dial.h b/source/blender/blenlib/BLI_dial.h
index ad7680fe03e..71ab57bb61a 100644
--- a/source/blender/blenlib/BLI_dial.h
+++ b/source/blender/blenlib/BLI_dial.h
@@ -52,8 +52,8 @@
 
 typedef struct Dial Dial;
 
-Dial *BLI_dial_initialize(float start_position[2], float threshold);
+Dial *BLI_dial_initialize(const float start_position[2], float threshold);
 
-float BLI_dial_angle(Dial *dial, float current_position[2]);
+float BLI_dial_angle(Dial *dial, const float current_position[2]);
 
 #endif /* __BLI_DIAL_H__ */
diff --git a/source/blender/blenlib/intern/BLI_dial.c b/source/blender/blenlib/intern/BLI_dial.c
index cfbb52847fd..89f18fa10b4 100644
--- a/source/blender/blenlib/intern/BLI_dial.c
+++ b/source/blender/blenlib/intern/BLI_dial.c
@@ -46,7 +46,7 @@ struct Dial {
 };
 
 
-Dial *BLI_dial_initialize(float start_position[2], float threshold)
+Dial *BLI_dial_initialize(const float start_position[2], float threshold)
 {
 	Dial *dial = MEM_callocN(sizeof(Dial), "dial");
 	
@@ -56,7 +56,7 @@ Dial *BLI_dial_initialize(float start_position[2], float threshold)
 	return dial;
 }
 
-float BLI_dial_angle(Dial *dial, float current_position[2])
+float BLI_dial_angle(Dial *dial, const float current_position[2])
 {
 	float current_direction[2];
 	
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index f47f9ad76e6..d1a219c196a 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -1663,6 +1663,9 @@ void rotate_m4(float mat[4][4], const char axis, const float angle)
 				mat[0][col] =  temp;
 			}
 			break;
+		default:
+			BLI_assert(0);
+			break;
 	}
 }