1 files changed, 56 insertions, 52 deletions

diff --git a/intern/cycles/kernel/shaders/node_ramp_util.h b/intern/cycles/kernel/shaders/node_ramp_util.h
index d07d5a98316..f7fb07b257d 100644
--- a/intern/cycles/kernel/shaders/node_ramp_util.h
+++ b/intern/cycles/kernel/shaders/node_ramp_util.h
@@ -18,72 +18,76 @@
 
 color rgb_ramp_lookup(color ramp[], float at, int interpolate, int extrapolate)
 {
-	float f = at;
-	int table_size = arraylength(ramp);
+  float f = at;
+  int table_size = arraylength(ramp);
 
-	if ((f < 0.0 || f > 1.0) && extrapolate) {
-		color t0, dy;
-		if (f < 0.0) {
-			t0 = ramp[0];
-			dy = t0 - ramp[1];
-			f = -f;
-		}
-		else {
-			t0 = ramp[table_size - 1];
-			dy = t0 - ramp[table_size - 2];
-			f = f - 1.0;
-		}
-		return t0 + dy * f * (table_size - 1);
-	}
+  if ((f < 0.0 || f > 1.0) && extrapolate) {
+    color t0, dy;
+    if (f < 0.0) {
+      t0 = ramp[0];
+      dy = t0 - ramp[1];
+      f = -f;
+    }
+    else {
+      t0 = ramp[table_size - 1];
+      dy = t0 - ramp[table_size - 2];
+      f = f - 1.0;
+    }
+    return t0 + dy * f * (table_size - 1);
+  }
 
-	f = clamp(at, 0.0, 1.0) * (table_size - 1);
+  f = clamp(at, 0.0, 1.0) * (table_size - 1);
 
-	/* clamp int as well in case of NaN */
-	int i = (int)f;
-	if (i < 0) i = 0;
-	if (i >= table_size) i = table_size - 1;
-	float t = f - (float)i;
+  /* clamp int as well in case of NaN */
+  int i = (int)f;
+  if (i < 0)
+    i = 0;
+  if (i >= table_size)
+    i = table_size - 1;
+  float t = f - (float)i;
 
-	color result = ramp[i];
+  color result = ramp[i];
 
-	if (interpolate && t > 0.0)
-		result = (1.0 - t) * result + t * ramp[i + 1];
+  if (interpolate && t > 0.0)
+    result = (1.0 - t) * result + t * ramp[i + 1];
 
-	return result;
+  return result;
 }
 
 float rgb_ramp_lookup(float ramp[], float at, int interpolate, int extrapolate)
 {
-	float f = at;
-	int table_size = arraylength(ramp);
+  float f = at;
+  int table_size = arraylength(ramp);
 
-	if ((f < 0.0 || f > 1.0) && extrapolate) {
-		float t0, dy;
-		if (f < 0.0) {
-			t0 = ramp[0];
-			dy = t0 - ramp[1];
-			f = -f;
-		}
-		else {
-			t0 = ramp[table_size - 1];
-			dy = t0 - ramp[table_size - 2];
-			f = f - 1.0;
-		}
-		return t0 + dy * f * (table_size - 1);
-	}
+  if ((f < 0.0 || f > 1.0) && extrapolate) {
+    float t0, dy;
+    if (f < 0.0) {
+      t0 = ramp[0];
+      dy = t0 - ramp[1];
+      f = -f;
+    }
+    else {
+      t0 = ramp[table_size - 1];
+      dy = t0 - ramp[table_size - 2];
+      f = f - 1.0;
+    }
+    return t0 + dy * f * (table_size - 1);
+  }
 
-	f = clamp(at, 0.0, 1.0) * (table_size - 1);
+  f = clamp(at, 0.0, 1.0) * (table_size - 1);
 
-	/* clamp int as well in case of NaN */
-	int i = (int)f;
-	if (i < 0) i = 0;
-	if (i >= table_size) i = table_size - 1;
-	float t = f - (float)i;
+  /* clamp int as well in case of NaN */
+  int i = (int)f;
+  if (i < 0)
+    i = 0;
+  if (i >= table_size)
+    i = table_size - 1;
+  float t = f - (float)i;
 
-	float result = ramp[i];
+  float result = ramp[i];
 
-	if (interpolate && t > 0.0)
-		result = (1.0 - t) * result + t * ramp[i + 1];
+  if (interpolate && t > 0.0)
+    result = (1.0 - t) * result + t * ramp[i + 1];
 
-	return result;
+  return result;
 }