From 367b9c4766edf249352e525411ad7da73ef62c05 Mon Sep 17 00:00:00 2001
From: trondeau
Date: Sun, 17 Dec 2006 01:39:44 +0000
Subject: Added fast atan with complex input

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4108 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gnuradio-core/src/lib/general/gr_fast_atan2f.cc | 1 +
 gnuradio-core/src/lib/general/gr_math.h         | 7 +++++++
 2 files changed, 8 insertions(+)

(limited to 'gnuradio-core/src/lib/general')

diff --git a/gnuradio-core/src/lib/general/gr_fast_atan2f.cc b/gnuradio-core/src/lib/general/gr_fast_atan2f.cc
index 121e63d5b..25f550768 100644
--- a/gnuradio-core/src/lib/general/gr_fast_atan2f.cc
+++ b/gnuradio-core/src/lib/general/gr_fast_atan2f.cc
@@ -196,3 +196,4 @@ gr_fast_atan2f(REAL y, REAL x)
   return (angle);
 #endif
 }
+
diff --git a/gnuradio-core/src/lib/general/gr_math.h b/gnuradio-core/src/lib/general/gr_math.h
index 059caf17f..86454e05d 100644
--- a/gnuradio-core/src/lib/general/gr_math.h
+++ b/gnuradio-core/src/lib/general/gr_math.h
@@ -27,6 +27,8 @@
 #ifndef _GR_MATH_H_
 #define _GR_MATH_H_
 
+#include <gr_complex.h>
+
 long gr_gcd (long m, long n);
 
 // returns a non-zero value if value is "not-a-number" (NaN), and 0 otherwise
@@ -57,4 +59,9 @@ int gr_signbit (double x);
  */
 float gr_fast_atan2f(float y, float x);
 
+static inline float gr_fast_atan2f(gr_complex z) 
+{ 
+  return gr_fast_atan2f(z.imag(), z.real()); 
+}
+
 #endif /* _GR_MATH_H_ */
-- 
cgit