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36 lines
890 B
36 lines
890 B
#pragma once
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#include <base/subface.hpp>
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#include <primitive_descriptor.h>
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namespace internal
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{
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// local: cone face x^2+y^2-z^2=0(z<=0)
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struct cone_face_t final : subface {
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};
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} // namespace internal
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namespace detail
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{
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// Q' = M^{-T}QM^{-1}
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// Q = {
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// 1, 0, 0, 0
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// 0, 1, 0, 0
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// 0, 0, -1, 0
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// 0, 0, 0, 0
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// }
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const Eigen::Vector4d cone_std_diag{1, 1, -1, 0};
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template <>
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inline size_t hasher<internal::cone_face_t>::operator()(const internal::cone_face_t& subface) const
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{
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return hash_funcs(get_quadrics_character(cone_std_diag, subface));
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}
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template <>
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inline bool eq_compare<internal::cone_face_t>::operator()(const internal::cone_face_t& lhs,
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const internal::cone_face_t& rhs) const
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{
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return eq_funcs(get_quadrics_character(cone_std_diag, lhs), get_quadrics_character(cone_std_diag, rhs));
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}
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} // namespace detail
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