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authortrondeau2006-12-17 01:39:44 +0000
committertrondeau2006-12-17 01:39:44 +0000
commit367b9c4766edf249352e525411ad7da73ef62c05 (patch)
tree3001af58b0167b715f3607e31f2bb3d12bf952d8 /gnuradio-core
parent9d1f4b4603f181fb02100de77501ebbfd99f1df6 (diff)
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Added fast atan with complex input
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4108 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-core')
-rw-r--r--gnuradio-core/src/lib/general/gr_fast_atan2f.cc1
-rw-r--r--gnuradio-core/src/lib/general/gr_math.h7
2 files changed, 8 insertions, 0 deletions
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_ */