Imported Upstream version 3.2.2

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

diff --git a/gnuradio-core/src/utils/read_cshort_binary.m b/gnuradio-core/src/utils/read_cshort_binary.m
new file mode 100644 (file)
index 0000000..0470671
--- /dev/null
+++ b/gnuradio-core/src/utils/read_cshort_binary.m
@@ -0,0 +1,46 @@
+%
+% Copyright 2001,2008 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 cv = read_cshort_binary (filename, count)
+
+  %% usage: read_cshort_binary (filename, [count])
+  %%
+  %%  open filename and return the contents, treating them as
+  %%  signed short integers
+  %%
+
+  m = nargchk (1,2,nargin);
+  if (m)
+    usage (m);
+  end
+
+  if (nargin < 2)
+    count = Inf;
+  end
+
+  f = fopen (filename, 'rb');
+  if (f < 0)
+    cv = 0;
+  else
+    v = fread (f, count, 'short');
+    fclose (f);
+    cv = v(1:2:end)+v(2:2:end)*j;
+  end