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https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
Fix a bunch of ODR violations.
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@@ -19,7 +19,8 @@
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bool g_first_pass = true;
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namespace Eigen {
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namespace internal {
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namespace test {
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template <typename T>
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T negate(const T& x) {
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@@ -31,50 +32,11 @@ Map<const Array<unsigned char, sizeof(T), 1> > bits(const T& x) {
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return Map<const Array<unsigned char, sizeof(T), 1> >(reinterpret_cast<const unsigned char*>(&x));
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}
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// The following implement bitwise operations on floating point types
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template <typename T, typename Bits, typename Func>
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T apply_bit_op(Bits a, Bits b, Func f) {
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Array<unsigned char, sizeof(T), 1> data;
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T res;
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for (Index i = 0; i < data.size(); ++i) data[i] = f(a[i], b[i]);
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// Note: The reinterpret_cast works around GCC's class-memaccess warnings:
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std::memcpy(reinterpret_cast<unsigned char*>(&res), data.data(), sizeof(T));
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return res;
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}
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#define EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, T) \
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template <> \
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T EIGEN_CAT(p, OP)(const T& a, const T& b) { \
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return apply_bit_op<T>(bits(a), bits(b), FUNC); \
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}
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#define EIGEN_TEST_MAKE_BITWISE(OP, FUNC) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, float) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, double) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, half) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, bfloat16) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, std::complex<float>) \
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EIGEN_TEST_MAKE_BITWISE2(OP, FUNC, std::complex<double>)
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EIGEN_TEST_MAKE_BITWISE(xor, std::bit_xor<unsigned char>())
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EIGEN_TEST_MAKE_BITWISE(and, std::bit_and<unsigned char>())
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EIGEN_TEST_MAKE_BITWISE(or, std::bit_or<unsigned char>())
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struct bit_andnot {
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template <typename T>
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T operator()(T a, T b) const {
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return a & (~b);
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}
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};
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EIGEN_TEST_MAKE_BITWISE(andnot, bit_andnot())
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template <typename T>
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bool biteq(T a, T b) {
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return (bits(a) == bits(b)).all();
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}
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} // namespace internal
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namespace test {
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// NOTE: we disable inlining for this function to workaround a GCC issue when using -O3 and the i387 FPU.
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template <typename Scalar>
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EIGEN_DONT_INLINE bool isApproxAbs(const Scalar& a, const Scalar& b, const typename NumTraits<Scalar>::Real& refvalue) {
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