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-rw-r--r--src/blind-spiral-gradient.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/blind-spiral-gradient.c b/src/blind-spiral-gradient.c
index 8bdda44..4cf5937 100644
--- a/src/blind-spiral-gradient.c
+++ b/src/blind-spiral-gradient.c
@@ -71,7 +71,7 @@ static int with_vector;
} else {\
v = atan2(y, x);\
if (anticlockwise)\
- v = 1 - v;\
+ v = -v;\
v -= u;\
v += 4 * (TYPE)M_PI;\
v = mod(v, 2 * (TYPE)M_PI);\