CGAL 6.2 - Polynomial

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PolynomialTraits_d::IsZeroAt Concept Reference
Reference Manual » Concepts

## Definition

This `AdaptableFunctor` returns whether a `PolynomialTraits_d::Polynomial_d` \( p\) is zero at a given Cartesian point, which is represented as an iterator range.

Refines
  `AdaptableFunctor`
  `CopyConstructible`
  `DefaultConstructible`

See also
  `Polynomial_d`
  `PolynomialTraits_d`

## Types
typedef bool | result_type

## Operations
template<class InputIterator >
result_type | operator() (PolynomialTraits_d::Polynomial_d p, InputIterator begin, InputIterator end)
| Computes whether \( p\) is zero at the Cartesian point given by the iterator range, where `begin` is referring to the innermost variable.

## Member Function Documentation

## ◆ operator()()

template<class InputIterator >

result_type PolynomialTraits_d::IsZeroAt::operator() | ( | PolynomialTraits_d::Polynomial_d | p,
|  | InputIterator | begin,
|  | InputIterator | end
| ) |  |

Computes whether \( p\) is zero at the Cartesian point given by the iterator range, where `begin` is referring to the innermost variable.

Precondition
  (end-begin == `PolynomialTraits_d::d`)
  `std::iterator_traits< InputIterator >::value_type` is `ExplicitInteroperable` with `PolynomialTraits_d::Innermost_coefficient_type`.