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acm_random,Rand9Signed: correct cast
author
James Zern
<jzern@google.com>
Fri, 27 May 2016 17:33:56 +0000
(10:33 -0700)
committer
James Zern
<jzern@google.com>
Fri, 27 May 2016 17:33:56 +0000
(10:33 -0700)
convert the random value to int16 before subtracting 256 from it; quiets
a ubsan (sanitize=integer) warning
BUG=webm:1225
Change-Id: Ibc2c5a21f30e112bd6c180f7d6a033327c38d0df
test/acm_random.h
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diff --git
a/test/acm_random.h
b/test/acm_random.h
index
a29ced2
..
b94b6e1
100644
(file)
--- a/
test/acm_random.h
+++ b/
test/acm_random.h
@@
-35,7
+35,7
@@
class ACMRandom {
int16_t Rand9Signed(void) {
// Use 9 bits: values between 255 (0x0FF) and -256 (0x100).
const uint32_t value = random_.Generate(512);
- return static_cast<int16_t>(value
- 256)
;
+ return static_cast<int16_t>(value
) - 256
;
}
uint8_t Rand8(void) {