CGAL 6.2 - Algebraic Kernel

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AlgebraicKernel_d_1::MakeCoprime_1 Concept Reference
Reference Manual » Concepts » Univariate Algebraic Kernel

## Definition

Computes for a given pair of univariate polynomials \( p_1\), \( p_2\) their common part \( g\) up to a constant factor and coprime parts \( q_1\), \( q_2\) respectively.

That is, it computes \( g, q_1, q_2\) such that:

\( c_1 \cdot p_1 = g \cdot q_1\) for some constant \( c_1\) and

\( c_2 \cdot p_2 = g \cdot q_2\) for some constant \( c_2\), such that \( q_1\) and \( q_2\) are coprime.

It returns true if \( p_1\) and \( p_2\) are already coprime.

Refines
  `AdaptableQuinaryFunction`

See also
  `AlgebraicKernel_d_1::IsCoprime_1`

## Types
typedef bool | result_type

## Operations
result_type | operator() (const AlgebraicKernel_d_1::Polynomial_1 &p1, const AlgebraicKernel_d_1::Polynomial_1 &p2, AlgebraicKernel_d_1::Polynomial_1 &g, AlgebraicKernel_d_1::Polynomial_1 &q1, AlgebraicKernel_d_1::Polynomial_1 &q2)
| Computes \( g, q_1, q_2\) as described above.

## Member Function Documentation

## ◆ operator()()

result_type AlgebraicKernel_d_1::MakeCoprime_1::operator() | ( | const AlgebraicKernel_d_1::Polynomial_1 & | p1,
|  | const AlgebraicKernel_d_1::Polynomial_1 & | p2,
|  | AlgebraicKernel_d_1::Polynomial_1 & | g,
|  | AlgebraicKernel_d_1::Polynomial_1 & | q1,
|  | AlgebraicKernel_d_1::Polynomial_1 & | q2
| ) |  |

Computes \( g, q_1, q_2\) as described above.

Returns whether \( p_1\) and \( p_2\) where already coprime.