From dac77d134471a02a4d5b8260650882b2a7517a83 Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
Date: Fri, 5 Aug 2011 10:53:04 -0400
Subject: [PATCH] Fixes the celt_exp2() test (not the function, the test
itself)
Was previously testing only far on the negative side and using
the wrong scaling factor
---
libcelt/tests/mathops-test.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libcelt/tests/mathops-test.c b/libcelt/tests/mathops-test.c
index efe805370..56ac5b769 100644
--- a/libcelt/tests/mathops-test.c
+++ b/libcelt/tests/mathops-test.c
@@ -117,13 +117,13 @@ void testlog2(void)
void testexp2(void)
{
opus_val16 x;
- for (x=-32768;x<-30720;x++)
+ for (x=-32768;x<15360;x++)
{
- float error1 = fabs(x/2048.0-(1.442695040888963387*log(celt_exp2(x)/65536.0)));
- float error2 = fabs(exp(0.6931471805599453094*x/2048.0)-celt_exp2(x)/65536.0);
+ float error1 = fabs(x/1024.0-(1.442695040888963387*log(celt_exp2(x)/65536.0)));
+ float error2 = fabs(exp(0.6931471805599453094*x/1024.0)-celt_exp2(x)/65536.0);
if (error1>0.0002&&error2>0.00004)
{
- fprintf (stderr, "celt_exp2 failed: x = "WORD", error1 = %f, error2 = %f\n", x,error1,error2);
+ fprintf (stderr, "celt_exp2 failed: x = "WORD", error1 = %f, error2 = %f\n", x,error1,error2);
ret = 1;
}
}
--
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