shithub: opus

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ref: 0834ad61b171dc07c5653244a29632984643abdd
parent: 414eef55bd26f8b295c3cb42bf933cbb2d36dcaa
author: Jean-Marc Valin <[email protected]>
date: Sat Feb 18 11:43:48 EST 2017 

Speed up test_unit_LPC_inv_pred_gain by returning early on stable filters


--- a/silk/tests/test_unit_LPC_inv_pred_gain.c
+++ b/silk/tests/test_unit_LPC_inv_pred_gain.c
@@ -73,6 +73,16 @@
         if( !(y[ 0 ] < 10000 && y[ 0 ] > -10000) ) {
             return 0;
         }
+        /* Test every 8 sample for low amplitude. */
+        if( ( i & 0x7 ) == 0 ) {
+            double amp = 0;
+            for( j = 0; j < order; j++ ) {
+                amp += fabs(y[0]);
+            }
+            if( amp < 0.00001 ) {
+                return 1;
+            }
+        }
     }
     return 1;
 }