From a1a0ebbf490fd36d893ad5b0a37e099f3d035eac Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sun, 2 Feb 2014 01:36:40 +1100
Subject: Code cleanup: use length squared where possible

---
 source/blender/blenkernel/intern/brush.c | 2 +-
 source/blender/blenkernel/intern/mask.c  | 2 +-
 source/blender/blenkernel/intern/mball.c | 4 ++--
 source/blender/blenkernel/intern/mesh.c  | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'source/blender/blenkernel')

diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c
index d6b48c72e89..4885798efb7 100644
--- a/source/blender/blenkernel/intern/brush.c
+++ b/source/blender/blenkernel/intern/brush.c
@@ -920,7 +920,7 @@ void BKE_brush_jitter_pos(const Scene *scene, Brush *brush, const float pos[2],
 		do {
 			rand_pos[0] = BLI_rng_get_float(brush_rng) - 0.5f;
 			rand_pos[1] = BLI_rng_get_float(brush_rng) - 0.5f;
-		} while (len_v2(rand_pos) > 0.5f);
+		} while (len_squared_v2(rand_pos) > (0.5f * 0.5f));
 
 
 		if (brush->flag & BRUSH_ABSOLUTE_JITTER) {
diff --git a/source/blender/blenkernel/intern/mask.c b/source/blender/blenkernel/intern/mask.c
index 280093b0d10..997c444982c 100644
--- a/source/blender/blenkernel/intern/mask.c
+++ b/source/blender/blenkernel/intern/mask.c
@@ -1178,7 +1178,7 @@ static void mask_calc_point_handle(MaskSplinePoint *point, MaskSplinePoint *poin
 		sub_v3_v3v3(v2, bezt->vec[2], bezt->vec[1]);
 		add_v3_v3v3(vec, v1, v2);
 
-		if (len_v3(vec) > 1e-3) {
+		if (len_squared_v3(vec) > (1e-3f * 1e-3f)) {
 			h[0] = vec[1];
 			h[1] = -vec[0];
 			h[2] = 0.0f;
diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c
index 0197415d1dd..6ba69335c6b 100644
--- a/source/blender/blenkernel/intern/mball.c
+++ b/source/blender/blenkernel/intern/mball.c
@@ -1553,7 +1553,7 @@ static void find_first_points(PROCESS *process, MetaBall *mb, int a)
 					/* find "first points" on Implicit Surface of MetaElemnt ml */
 					copy_v3_v3(workp, in);
 					workp_v = in_v;
-					max_len = len_v3v3(out, in);
+					max_len = len_squared_v3v3(out, in);
 
 					nx = fabsf((out[0] - in[0]) / process->size);
 					ny = fabsf((out[1] - in[1]) / process->size);
@@ -1589,7 +1589,7 @@ static void find_first_points(PROCESS *process, MetaBall *mb, int a)
 									add_cube(process, c_i, c_j, c_k, 2);
 								}
 							}
-							len = len_v3v3(workp, in);
+							len = len_squared_v3v3(workp, in);
 							workp_v = tmp_v;
 
 						}
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index e8504a369e7..31a4a492f35 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -154,7 +154,7 @@ static int customdata_compare(CustomData *c1, CustomData *c2, Mesh *m1, Mesh *m2
 			int vtot = m1->totvert;
 			
 			for (j = 0; j < vtot; j++, v1++, v2++) {
-				if (len_v3v3(v1->co, v2->co) > thresh)
+				if (len_squared_v3v3(v1->co, v2->co) > thresh_sq)
 					return MESHCMP_VERTCOMISMATCH;
 				/* I don't care about normals, let's just do coodinates */
 			}
-- 
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