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Fix preprocessor check for enabling FP reproducibility tests
This solves warning about the `uniform_fp_test_params` helper being unused on M1 mac (or any other platform using GCC and not using SSE2). Closes #2845
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@ -495,6 +495,22 @@ TEMPLATE_TEST_CASE( "uniform_integer_distribution is reproducible",
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REQUIRE_THAT(generated, Catch::Matchers::RangeEquals(uniform_integer_test_params<TestType>::expected));
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}
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// The reproducibility tests assume that operations on `float`/`double`
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// happen in the same precision as the operated-upon type. This is
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// generally true, unless the code is compiled for 32 bit targets without
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// SSE2 enabled, in which case the operations are done in the x87 FPU,
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// which usually implies doing math in 80 bit floats, and then rounding
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// into smaller type when the type is saved into memory. This obviously
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// leads to a different answer, than doing the math in the correct precision.
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#if ( defined( _MSC_VER ) && _M_IX86_FP < 2 ) || \
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( defined( __GNUC__ ) && \
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( ( defined( __i386__ ) || defined( __x86_64__ ) ) ) && \
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!defined( __SSE2_MATH__ ) )
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# define CATCH_TEST_CONFIG_DISABLE_FLOAT_REPRODUCIBILITY_TESTS
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#endif
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#if !defined( CATCH_TEST_CONFIG_DISABLE_FLOAT_REPRODUCIBILITY_TESTS )
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namespace {
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template <typename T>
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struct uniform_fp_test_params;
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@ -552,20 +568,6 @@ namespace {
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#endif
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} // namespace
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// The reproducibility tests assume that operations on `float`/`double`
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// happen in the same precision as the operated-upon type. This is
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// generally true, unless the code is compiled for 32 bit targets without
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// SSE2 enabled, in which case the operations are done in the x87 FPU,
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// which usually implies doing math in 80 bit floats, and then rounding
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// into smaller type when the type is saved into memory. This obviously
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// leads to a different answer, than doing the math in the correct precision.
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#if ( defined( _MSC_VER ) && _M_IX86_FP < 2 ) || \
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( defined( __GNUC__ ) && !defined( __SSE2_MATH__ ) )
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# define CATCH_TEST_CONFIG_DISABLE_FLOAT_REPRODUCIBILITY_TESTS
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#endif
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#if !defined( CATCH_TEST_CONFIG_DISABLE_FLOAT_REPRODUCIBILITY_TESTS )
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TEMPLATE_TEST_CASE( "uniform_floating_point_distribution is reproducible",
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"[rng][distribution][floating-point][approvals]",
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float,
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@ -596,7 +598,7 @@ TEMPLATE_TEST_CASE( "uniform_floating_point_distribution can handle unitary rang
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CAPTURE( seed );
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Catch::SimplePcg32 pcg( seed );
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const auto highest = uniform_fp_test_params<TestType>::highest;
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const auto highest = TestType(385.125);
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Catch::uniform_floating_point_distribution<TestType> dist( highest,
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highest );
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