63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
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// Copyright © 2021, mjk <yuubi-san@users.noreply.github.com>
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// This file is merely to cheaply plug compilability holes in windows 10 winrt
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// APIs that use types from the non-free(?) WindowsNumerics library
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// unconditionally, i. e., unguarded by __has_include.
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// MinGW will probably have a complete implementation in the future, at which
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// point this file may turn into a part of the problem it solves now (FIXME).
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#ifndef YOLORT_WINDOWSNUMERICS_IMPL_H
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#define YOLORT_WINDOWSNUMERICS_IMPL_H
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#include <tuple>
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#include <array>
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_WINDOWS_NUMERICS_BEGIN_NAMESPACE_
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{
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// These definitions make sense to *me*, but one cannot be sure microsoft
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// didn't add proprietary extensions to mathematics.
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#define define_mathy_type(name, T, N, ...) \
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struct name \
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{ \
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private: \
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constexpr auto _tie() const \
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{ \
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auto members = std::tie( __VA_ARGS__ ); \
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static_assert( std::tuple_size_v<decltype(members)> == (N) ); \
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return members; \
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} \
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public: \
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T __VA_ARGS__; \
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friend constexpr auto operator==( const name &l, const name &r ) \
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{ return l._tie() == r._tie(); } \
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}
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#define define_vector_type(T,N,...) define_mathy_type(T##N, T, N, __VA_ARGS__)
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define_vector_type(float,2,x,y);
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define_vector_type(float,3,x,y,z);
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define_vector_type(float,4,x,y,z,w);
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#undef define_vector_type
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#define define_matrix_type(T,N,M) struct T##N##x##M : std::array<T, N*M> {}
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define_matrix_type(float,2,2);
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define_matrix_type(float,2,3);
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define_matrix_type(float,2,4);
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define_matrix_type(float,3,2);
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define_matrix_type(float,3,3);
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define_matrix_type(float,3,4);
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define_matrix_type(float,4,2);
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define_matrix_type(float,4,3);
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define_matrix_type(float,4,4);
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#undef define_matrix_type
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define_mathy_type(quaternion, float, 4, a,b,c,d );
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define_mathy_type(plane, float, 3+1, x,y,z, d );
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#undef define_mathy_type
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}
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_WINDOWS_NUMERICS_END_NAMESPACE_
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#endif // YOLORT_WINDOWSNUMERICS_IMPL_H
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