configure: Add check_cc/require_cc helper functions to simplify some expressions

[ffmpeg] / libavutil / lls.c

diff --git a/libavutil/lls.c b/libavutil/lls.c
index 37bfc4e6795f0d8bd9f968f82d8564c6ca0db68a..97bffb4018fdf0533580a94a8ed927e36c5afb02 100644 (file)
--- a/libavutil/lls.c
+++ b/libavutil/lls.c
@@ -121,41 +121,3 @@ av_cold void avpriv_init_lls(LLSModel *m, int indep_count)
     if (ARCH_X86)
         ff_init_lls_x86(m);
 }
-
-#ifdef TEST
-
-#include <stdio.h>
-#include <limits.h>
-#include "lfg.h"
-
-int main(void)
-{
-    LLSModel m;
-    int i, order;
-    AVLFG lfg;
-
-    av_lfg_init(&lfg, 1);
-    avpriv_init_lls(&m, 3);
-
-    for (i = 0; i < 100; i++) {
-        LOCAL_ALIGNED(32, double, var, [4]);
-        double eval;
-
-        var[0] =         (av_lfg_get(&lfg) / (double) UINT_MAX - 0.5) * 2;
-        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;
-        m.update_lls(&m, var);
-        avpriv_solve_lls(&m, 0.001, 0);
-        for (order = 0; order < 3; order++) {
-            eval = m.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],
-                   m.coeff[order][2]);
-        }
-    }
-    return 0;
-}
-
-#endif