diff options
| author | Jamie Bullock <postlude@users.sourceforge.net> | 2006-04-07 19:59:03 +0000 |
|---|---|---|
| committer | Jamie Bullock <postlude@users.sourceforge.net> | 2006-04-07 19:59:03 +0000 |
| commit | 868a2997a2739ca64ead0e6eb8f0240c3fdec413 (patch) | |
| tree | 29761c2c6aae4103bae59c528e3adcbccce9b740 | |
| parent | 7e39c6cd5e9a93f18990b2d8fbe32ec522eef426 (diff) | |
Tidied.
svn path=/trunk/externals/postlude/; revision=4842
| -rw-r--r-- | flib/src/cross~.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/flib/src/cross~.c b/flib/src/cross~.c index d769e54..45c3ed4 100644 --- a/flib/src/cross~.c +++ b/flib/src/cross~.c @@ -18,6 +18,8 @@ /*Calculate the (non optimized) cross correlation of two signal vectors*/ +/*Based on code by Phil Bourke */ + #include "flib.h" #define SQ(a) (a * a) @@ -76,22 +78,7 @@ static t_int *cross_perform(t_int *w) j %= N; sxy += (x[i] - mx) * (y[j] - my); - - /* - if (j < 0 || j >= N) - continue; - else - sxy += (x[i] - mx) * (y[j] - my); - */ - - - /* Or should it be (?) - if (j < 0 || j >= n) - sxy += (x[i] - mx) * (-my); - else - sxy += (x[i] - mx) * (y[j] - my); - */ - } + } r = sxy / denom; *out++ = r; /* r is the correlation coefficient at "delay" */ |