Merge commit 'v3.3.0' into upstream

[debian/gnuradio] / gnuradio-core / src / utils / is_complex.m

diff --git a/gnuradio-core/src/utils/is_complex.m b/gnuradio-core/src/utils/is_complex.m
new file mode 100644 (file)
index 0000000..ce9a701
--- /dev/null
+++ b/gnuradio-core/src/utils/is_complex.m
@@ -0,0 +1,24 @@
+#
+# Copyright 2004 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+function p = is_complex (x)
+  p = any (imag (x) != 0);
+endfunction;