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LSST Data Management Base Package
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A boolean coordinate. More...
#include <CoordinateExpr.h>
Public Types | |
typedef bool | Element |
typedef Eigen::Matrix< bool, N, 1, Eigen::DontAlign > | EigenVector |
Public Member Functions | |
CoordinateExpr (bool val=false) noexcept | |
Construct a CoordinateExpr with all elements set to the same scalar value. | |
template<typename Vector > | |
CoordinateExpr (Eigen::MatrixBase< Vector > const &vector) | |
Construct a CoordinateExpr from an Eigen vector. | |
CoordinateExpr (CoordinateExpr const &) noexcept=default | |
CoordinateExpr (CoordinateExpr &&) noexcept=default | |
CoordinateExpr & | operator= (CoordinateExpr const &) noexcept=default |
CoordinateExpr & | operator= (CoordinateExpr &&) noexcept=default |
~CoordinateExpr () noexcept=default | |
bool & | operator[] (int n) |
bool const & | operator[] (int n) const |
bool & | coeffRef (int n) |
bool const & | coeffRef (int n) const |
EigenVector const & | asEigen () const noexcept(IS_ELEMENT_NOTHROW_COPYABLE) |
Return a fixed-size Eigen representation of the coordinate object. | |
Logical operators | |
These operators do not provide interoperability with scalars. | |
CoordinateExpr | and_ (CoordinateExpr const &rhs) const noexcept |
CoordinateExpr | or_ (CoordinateExpr const &rhs) const noexcept |
CoordinateExpr | not_ () const noexcept |
Static Public Attributes | |
static int const | dimensions |
static bool constexpr | IS_ELEMENT_NOTHROW_COPYABLE |
static bool constexpr | IS_ELEMENT_NOTHROW_ASSIGNABLE |
Protected Member Functions | |
void | _swap (CoordinateBase &other) noexcept |
Protected Attributes | |
EigenVector | _vector |
Related Symbols | |
(Note that these are not member symbols.) | |
bool | allclose (CoordinateBase< CoordinateExpr< N >, bool, N > const &a, CoordinateBase< CoordinateExpr< N >, bool, N > const &b, bool rtol=static_cast< bool >(1E-5), bool atol=static_cast< bool >(1E-8)) noexcept(std::is_nothrow_copy_constructible< bool >::value &&std::is_nothrow_copy_assignable< bool >::value) |
Floating-point comparison with tolerance. | |
A boolean coordinate.
CoordinateExpr is intended to be used as a temporary in coordinate comparisons:
Point2D a(3.5,1.2); Point2D b(-1.5,4.3); std::cout << all(a.lt(b)) << std::endl; // false std::cout << any(a.lt(b)) << std::endl; // true
CoordinateExpr is not a true lazy-evaluation expression template, as that seems unnecessary when the object is typically only two bools large (smaller than the raw pointers necessary to implement a lazy solution). The consequence is that there's no short-circuiting of logical operators, but I don't think that will even remotely matter for most use cases. The any() and all() functions do support short-circuiting.
Definition at line 50 of file CoordinateExpr.h.
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inherited |
Definition at line 59 of file CoordinateBase.h.
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inherited |
Definition at line 57 of file CoordinateBase.h.
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inlineexplicitnoexcept |
Construct a CoordinateExpr with all elements set to the same scalar value.
Definition at line 55 of file CoordinateExpr.h.
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inlineexplicit |
Construct a CoordinateExpr from an Eigen vector.
Definition at line 59 of file CoordinateExpr.h.
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defaultnoexcept |
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defaultnoexcept |
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defaultnoexcept |
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inlineprotectednoexceptinherited |
Definition at line 108 of file CoordinateBase.h.
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noexcept |
Definition at line 30 of file CoordinateExpr.cc.
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inlinenoexceptinherited |
Return a fixed-size Eigen representation of the coordinate object.
The fact that this returns by const reference rather than by value should not be considered part of the API; this is merely an optimization enabled by the implementation.
Definition at line 89 of file CoordinateBase.h.
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inlineinherited |
Definition at line 80 of file CoordinateBase.h.
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inlineinherited |
Definition at line 81 of file CoordinateBase.h.
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noexcept |
Definition at line 48 of file CoordinateExpr.cc.
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defaultnoexcept |
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defaultnoexcept |
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inlineinherited |
Definition at line 78 of file CoordinateBase.h.
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inlineinherited |
Definition at line 79 of file CoordinateBase.h.
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noexcept |
Definition at line 39 of file CoordinateExpr.cc.
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related |
Floating-point comparison with tolerance.
Interface, naming, and default tolerances matches Numpy.
Definition at line 120 of file CoordinateBase.cc.
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protectedinherited |
Definition at line 109 of file CoordinateBase.h.
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staticinherited |
Definition at line 58 of file CoordinateBase.h.
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staticconstexprinherited |
Definition at line 61 of file CoordinateBase.h.
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staticconstexprinherited |
Definition at line 60 of file CoordinateBase.h.