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Use extreme values for input in convovle tests

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The intepolation filter functions can be better tested withe extreme
values, especially given the optimization functions are prone to
overflow signed 16 bit intermediate value when operation order is
wrong.

Change-Id: I712142b0bc1e5969c692c0486a57ffa37c9742b5
This commit is contained in:
Yaowu Xu 2014-05-23 12:23:29 -07:00
parent 9410330893
commit 077144d206
1 changed files with 6 additions and 2 deletions
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8
test/convolve_test.cc
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@ -221,8 +221,12 @@ class ConvolveTest : public ::testing::TestWithParam<convolve_param_t> {
}
::libvpx_test::ACMRandom prng;
for (int i = 0; i < kInputBufferSize; ++i)
input_[i] = prng.Rand8Extremes();
for (int i = 0; i < kInputBufferSize; ++i) {
if (i & 1)
input_[i] = 255;
else
input_[i] = prng.Rand8Extremes();
}
}
void SetConstantInput(int value) {