From 0834ad61b171dc07c5653244a29632984643abdd Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Sat, 18 Feb 2017 16:43:48 -0500
Subject: [PATCH] Speed up test_unit_LPC_inv_pred_gain by returning early on
stable filters
---
silk/tests/test_unit_LPC_inv_pred_gain.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/silk/tests/test_unit_LPC_inv_pred_gain.c b/silk/tests/test_unit_LPC_inv_pred_gain.c
index 69bf6b722..dcc61bd88 100644
--- a/silk/tests/test_unit_LPC_inv_pred_gain.c
+++ b/silk/tests/test_unit_LPC_inv_pred_gain.c
@@ -73,6 +73,16 @@ int check_stability(opus_int16 *A_Q12, int order) {
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;
}
--
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