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) {
-               BOOST_CHECK(std::abs(lrint(lut.lookup(x) * 4095) - lrint(pow(x, 1 / 2.6) * 4095)) < 2);
+               BOOST_CHECK(std::abs(lut.lookup(x) - lrint(pow(x, 1 / 2.6) * 4095)) < 2);
        }
 }