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-rw-r--r--src/complex/catanf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/complex/catanf.c b/src/complex/catanf.c
index ef3907a5..1d569f2d 100644
--- a/src/complex/catanf.c
+++ b/src/complex/catanf.c
@@ -61,13 +61,15 @@ static const double DP1 = 3.140625;
static const double DP2 = 9.67502593994140625E-4;
static const double DP3 = 1.509957990978376432E-7;
+static const float float_pi = M_PI;
+
static float _redupif(float xx)
{
float x, t;
long i;
x = xx;
- t = x/(float)M_PI;
+ t = x/float_pi;
if (t >= 0.0f)
t += 0.5f;
else