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cppdraft_translate/cppdraft/simd/comparison.md
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[simd.comparison]

29 Numerics library [numerics]

29.10 Data-parallel types [simd]

29.10.8 basic_vec non-member operations [simd.nonmembers]

29.10.8.3 basic_vec compare operators [simd.comparison]

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friend constexpr mask_type operator==(const basic_vec& lhs, const basic_vec& rhs) noexcept; friend constexpr mask_type operator!=(const basic_vec& lhs, const basic_vec& rhs) noexcept; friend constexpr mask_type operator>=(const basic_vec& lhs, const basic_vec& rhs) noexcept; friend constexpr mask_type operator<=(const basic_vec& lhs, const basic_vec& rhs) noexcept; friend constexpr mask_type operator>(const basic_vec& lhs, const basic_vec& rhs) noexcept; friend constexpr mask_type operator<(const basic_vec& lhs, const basic_vec& rhs) noexcept;

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Let op be the operator.

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Constraints: requires (value_type a, value_type b) { a op b; } istrue.

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Returns: A basic_mask object initialized with the results of applyingop to lhs and rhs as a binary element-wise operation.