Merge branch 'upstream' into dfsg-orig

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

diff --git a/gnuradio-core/src/utils/runsum.m b/gnuradio-core/src/utils/runsum.m
new file mode 100644 (file)
index 0000000..0f530b0
--- /dev/null
+++ b/gnuradio-core/src/utils/runsum.m
@@ -0,0 +1,9 @@
+function r = runsum(x)
+  len = length(x);
+  r = zeros (1, len);
+  r(1) = x(1);
+  for i = 2:len;
+    r(i) = r(i-1) + x(i);
+  endfor;
+endfunction;
+