summaryrefslogtreecommitdiff
path: root/libavutil/lls.c
diff options
context:
space:
mode:
authorLuca Barbato <lu_zero@gentoo.org>2013-02-25 08:06:59 +0100
committerLuca Barbato <lu_zero@gentoo.org>2013-02-28 17:39:24 +0100
commit9d4da474f5f40b019cb4cb931c8499deee586174 (patch)
tree0bee397cd1564f1a877e7416ccad51189365e56c /libavutil/lls.c
parent7ac6d2423e9bf0f40c67be9a0ca7600b516b0282 (diff)
lls: move to the private namespace
The functions are private.
Diffstat (limited to 'libavutil/lls.c')
-rw-r--r--libavutil/lls.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/libavutil/lls.c b/libavutil/lls.c
index b29fc968da..645e528744 100644
--- a/libavutil/lls.c
+++ b/libavutil/lls.c
@@ -30,13 +30,13 @@
#include "lls.h"
-void av_init_lls(LLSModel *m, int indep_count)
+void avpriv_init_lls(LLSModel *m, int indep_count)
{
memset(m, 0, sizeof(LLSModel));
m->indep_count = indep_count;
}
-void av_update_lls(LLSModel *m, double *var, double decay)
+void avpriv_update_lls(LLSModel *m, double *var, double decay)
{
int i, j;
@@ -48,7 +48,7 @@ void av_update_lls(LLSModel *m, double *var, double decay)
}
}
-void av_solve_lls(LLSModel *m, double threshold, int min_order)
+void avpriv_solve_lls(LLSModel *m, double threshold, int min_order)
{
int i, j, k;
double (*factor)[MAX_VARS + 1] = (void *) &m->covariance[1][0];
@@ -105,7 +105,7 @@ void av_solve_lls(LLSModel *m, double threshold, int min_order)
}
}
-double av_evaluate_lls(LLSModel *m, double *param, int order)
+double avpriv_evaluate_lls(LLSModel *m, double *param, int order)
{
int i;
double out = 0;
@@ -116,6 +116,25 @@ double av_evaluate_lls(LLSModel *m, double *param, int order)
return out;
}
+#ifndef FF_API_LLS_PRIVATE
+void av_init_lls(LLSModel *m, int indep_count)
+{
+ return avpriv_init_lls(m, indep_count);
+}
+void av_update_lls(LLSModel *m, double *param, double decay)
+{
+ return avpriv_update_lls(m, param, decay);
+}
+void av_solve_lls(LLSModel *m, double threshold, int min_order)
+{
+ return avpriv_solve_lls(m, threshold, min_order);
+}
+double av_evaluate_lls(LLSModel *m, double *param, int order)
+{
+ return avpriv_evaluate_lls(m, param, order);
+}
+#endif
+
#ifdef TEST
#include <stdio.h>
@@ -129,7 +148,7 @@ int main(void)
AVLFG lfg;
av_lfg_init(&lfg, 1);
- av_init_lls(&m, 3);
+ avpriv_init_lls(&m, 3);
for (i = 0; i < 100; i++) {
double var[4];
@@ -139,10 +158,10 @@ int main(void)
var[1] = var[0] + av_lfg_get(&lfg) / (double) UINT_MAX - 0.5;
var[2] = var[1] + av_lfg_get(&lfg) / (double) UINT_MAX - 0.5;
var[3] = var[2] + av_lfg_get(&lfg) / (double) UINT_MAX - 0.5;
- av_update_lls(&m, var, 0.99);
- av_solve_lls(&m, 0.001, 0);
+ avpriv_update_lls(&m, var, 0.99);
+ avpriv_solve_lls(&m, 0.001, 0);
for (order = 0; order < 3; order++) {
- eval = av_evaluate_lls(&m, var + 1, order);
+ eval = avpriv_evaluate_lls(&m, var + 1, order);
printf("real:%9f order:%d pred:%9f var:%f coeffs:%f %9f %9f\n",
var[0], order, eval, sqrt(m.variance[order] / (i + 1)),
m.coeff[order][0], m.coeff[order][1],