AlgebraicKernel_d_2::CompareX_2 Concept Reference

Definition

Compares the first coordinates of AlgebraicKernel_d_2::Algebraic_real_2s.

Refines:

AdaptableBinaryFunction

See also

AlgebraicKernel_d_2::CompareY_2

AlgebraicKernel_d_2::CompareXY_2

Types
typedef unspecified_type	result_type
	Type convertible to CGAL::Comparison_result
typedef AlgebraicKernel_d_2::Algebraic_real_2	first_argument_type
typedef AlgebraicKernel_d_2::Algebraic_real_2	second_argument_type

Operations
The following operators and their symmetric counterparts are required:
result_type	operator() (const first_argument_type &a, const second_argument_type &b)
	Compares the first coordinates of \( a\) and \( b\).
result_type	operator() (AlgebraicKernel_d_2::Algebraic_real_2 a, int x)
	Compares the first coordinate of \( a\) with \( x\).
result_type	operator() (AlgebraicKernel_d_2::Algebraic_real_2 a, AlgebraicKernel_d_2::Bound x)
	Compares the first coordinate of \( a\) with \( x\).
result_type	operator() (AlgebraicKernel_d_2::Algebraic_real_2 a, AlgebraicKernel_d_2::Coefficient x)
	Compares the first coordinate of \( a\) with \( x\).
result_type	operator() (AlgebraicKernel_d_2::Algebraic_real_2 a, AlgebraicKernel_d_2::Algebraic_real_1 x)
	Compares the first coordinate of \( a\) with \( x\).