commit 6e66150a5005c5d1030942d5cd44643a7292e592
author James Zern <jzern@google.com> Wed Aug 31 16:21:18 2022 -0700
committer James Zern <jzern@google.com> Fri Sep 02 19:00:14 2022 +0000
tree cf83e5b8dbe8c1e0d1bb80bb178b38495058dda0
parent cf0c48de5d1c2ee26509a879ec1cf351e881bbd5

test/acm_random: fix Rand15Signed() range

and rename it to Rand15().

the range for testing::internal::Random is [0, 2^31). previously this
function would return [0, 1 << 14). for uses other than cfl use
Rand15Signed() (pickrst_test.cc) or Rand16Signed() (encodetxb_test.cc)
instead.

Change-Id: If609d1d2601aad2c4f35e3521b45781a07583e31

test/encodetxb_test.cc

diff --git a/test/encodetxb_test.cc b/test/encodetxb_test.cc
index ee09ea6..c1b6709 100644
--- a/test/encodetxb_test.cc
+++ b/test/encodetxb_test.cc
@@ -229,7 +229,7 @@
 
   ACMRandom rnd(ACMRandom::DeterministicSeed());
   for (int i = 0; i < width * height; i++) {
-    coeff[i] = rnd.Rand15Signed() + rnd.Rand15Signed();
+    coeff[i] = rnd.Rand16Signed();
   }
   for (int i = 0; i < TX_PAD_2D; i++) {
     levels_buf[0][i] = rnd.Rand8();