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Add helper function for unsigned saturating add

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This commit is contained in:
Jonathan G Rennison
2024-03-11 20:40:27 +00:00
parent fe730bce31
commit cc2521ddf5
2 changed files with 30 additions and 0 deletions
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10
src/tests/math_func.cpp
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@@ -95,3 +95,13 @@ TEST_CASE("SoftClamp")
CHECK(1250 * million == SoftClamp(0, 1500 * million, 1000 * million));
CHECK(0 == SoftClamp(0, 1500 * million, -1500 * million));
}
TEST_CASE("SaturatingAdd")
{
CHECK(SaturatingAdd<uint8_t>(2, 3) == 5);
CHECK(SaturatingAdd<uint8_t>(200, 200) == 255);
CHECK(SaturatingAdd<uint8_t>(255, 255) == 255);
CHECK(SaturatingAdd<uint8_t>(1, 255) == 255);
CHECK(SaturatingAdd<uint8_t>(255, 1) == 255);
CHECK(SaturatingAdd<uint8_t>(0, 254) == 254);
}