Revision: 55267
http://sourceforge.net/p/brlcad/code/55267
Author: carlmoore
Date: 2013-04-29 20:43:13 +0000 (Mon, 29 Apr 2013)
Log Message:
-----------
simplify the programming, and push 'N =' and 'L =' downward
Modified Paths:
--------------
brlcad/trunk/src/sig/dconv.c
Modified: brlcad/trunk/src/sig/dconv.c
===================================================================
--- brlcad/trunk/src/sig/dconv.c 2013-04-29 20:33:27 UTC (rev 55266)
+++ brlcad/trunk/src/sig/dconv.c 2013-04-29 20:43:13 UTC (rev 55267)
@@ -79,18 +79,18 @@
int main(int argc, char **argv)
{
int i;
- int N, M, L;
+ int M = 128; /* kernel size */
+ int N, L;
FILE *fp;
size_t ret;
- M = 128; /* kernel size */
- N = 2*M; /* input sub-section length (fft size) */
- L = N - M + 1; /* number of "good" points per section */
-
if ( argc != 2 || isatty(fileno(stdin)) || isatty(fileno(stdout)) ) {
bu_exit(1, "Usage: dconv filterfile < doubles > doubles\n
WARNING: kernel size must be 2^i - 1\n" );
}
+ N = 2*M; /* input sub-section length (fft size) */
+ L = M + 1; /* number of "good" points per section, simplified from L = N -
M + 1 */
+
#ifdef never
/* prepare the kernel(!) */
/* this is either the direct complex response,
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