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Allow negative error for Sk4f::sqrt() test.

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BUG=skia:

Review URL: https://codereview.chromium.org/1028743002
This commit is contained in:
mtklein 2015-03-20 11:20:12 -07:00 committed by Commit bot
parent 3614f123e8
commit f224f138da
1 changed files with 4 additions and 4 deletions
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8
tests/Sk4xTest.cpp
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@ -93,13 +93,13 @@ DEF_TEST(Sk4x_Sqrt, r) {
roots(2, 4, 5, 11);
// .sqrt() should be pretty precise.
Sk4f error = roots.subtract(squares.sqrt());
REPORTER_ASSERT(r, error.greaterThanEqual(Sk4f(0.0f)).allTrue());
REPORTER_ASSERT(r, error.lessThan(Sk4f(0.000001f)).allTrue());
REPORTER_ASSERT(r, (error > Sk4f(-0.000001f)).allTrue());
REPORTER_ASSERT(r, (error < Sk4f(+0.000001f)).allTrue());
// .rsqrt() isn't so precise (for SSE), but should be pretty close.
error = roots.subtract(squares.multiply(squares.rsqrt()));
REPORTER_ASSERT(r, error.greaterThanEqual(Sk4f(0.0f)).allTrue());
REPORTER_ASSERT(r, error.lessThan(Sk4f(0.01f)).allTrue());
REPORTER_ASSERT(r, (error > Sk4f(-0.01f)).allTrue());
REPORTER_ASSERT(r, (error < Sk4f(+0.01f)).allTrue());
}
DEF_TEST(Sk4x_Comparison, r) {