diff options
Diffstat (limited to 'third_party/aom/test/acm_random.h')
-rw-r--r-- | third_party/aom/test/acm_random.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/aom/test/acm_random.h b/third_party/aom/test/acm_random.h index 4842345ff..023387061 100644 --- a/third_party/aom/test/acm_random.h +++ b/third_party/aom/test/acm_random.h @@ -36,6 +36,19 @@ class ACMRandom { return (value >> 15) & 0xffff; } + int16_t Rand15Signed(void) { + const uint32_t value = + random_.Generate(testing::internal::Random::kMaxRange); + return (value >> 17) & 0xffff; + } + + uint16_t Rand12(void) { + const uint32_t value = + random_.Generate(testing::internal::Random::kMaxRange); + // There's a bit more entropy in the upper bits of this implementation. + return (value >> 19) & 0xfff; + } + int16_t Rand9Signed(void) { // Use 9 bits: values between 255 (0x0FF) and -256 (0x100). const uint32_t value = random_.Generate(512); |