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Use an integer LUT for PiecewiseLUT2, hence removing a lrint and a multiply from...
[libdcp.git]
/
test
/
rgb_xyz_test.cc
diff --git
a/test/rgb_xyz_test.cc
b/test/rgb_xyz_test.cc
index cf3eb9ffa35201034a721d295101465595a9f6af..1899b1c313ea386e3fbc2df3365a8b1989b2ba2c 100644
(file)
--- a/
test/rgb_xyz_test.cc
+++ b/
test/rgb_xyz_test.cc
@@
-160,7
+160,7
@@
BOOST_AUTO_TEST_CASE (rgb_xyz_lut_test)
auto lut = dcp::make_inverse_gamma_lut(conversion.out());
for (double x = 0; x < 1; x += 0.000001) {
auto lut = dcp::make_inverse_gamma_lut(conversion.out());
for (double x = 0; x < 1; x += 0.000001) {
- BOOST_CHECK(std::abs(l
rint(lut.lookup(x) * 4095
) - lrint(pow(x, 1 / 2.6) * 4095)) < 2);
+ BOOST_CHECK(std::abs(l
ut.lookup(x
) - lrint(pow(x, 1 / 2.6) * 4095)) < 2);
}
}
}
}