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Showing content from https://kokkos.github.io/kokkos-core-wiki/API/algorithms/std-algorithms/all/StdNoneOf.html below:

none_of - Kokkos documentation

Header: <Kokkos_StdAlgorithms.hpp>

Returns true if no element in a range or rank-1 View satisfies a target unary predicate.

Warning

This is currently inside the Kokkos::Experimental namespace.

template <class ExecutionSpace, class IteratorType, class Predicate>
bool none_of(const ExecutionSpace& exespace,                              (1)
             IteratorType first, IteratorType last,
             Predicate predicate);

template <class ExecutionSpace, class IteratorType, class Predicate>
bool none_of(const std::string& label, const ExecutionSpace& exespace,    (2)
             IteratorType first, IteratorType last,
             Predicate predicate);

template <class ExecutionSpace, class DataType, class... Properties,      (3)
          class Predicate>
bool none_of(const ExecutionSpace& exespace,
             const ::Kokkos::View<DataType, Properties...>& v,
             Predicate predicate);

template <class ExecutionSpace, class DataType, class... Properties,
          class Predicate>
bool none_of(const std::string& label, const ExecutionSpace& exespace,    (4)
             const ::Kokkos::View<DataType, Properties...>& v,
             Predicate predicate);

Added in version 4.2.

template <class TeamHandleType, class IteratorType, class Predicate>
KOKKOS_FUNCTION
bool none_of(const TeamHandleType& teamHandle,                            (5)
             IteratorType first, IteratorType last,
             Predicate predicate);

template <class TeamHandleType, class DataType, class... Properties,
          class Predicate>
KOKKOS_FUNCTION
bool none_of(const TeamHandleType& teamHandle,                           (6)
             const ::Kokkos::View<DataType, Properties...>& v,
             Predicate predicate);

• exespace: execution space instance

• teamHandle: team handle instance given inside a parallel region when using a TeamPolicy

• label: string forwarded to internal parallel kernels for debugging purposes

  • 1: The default string is “Kokkos::none_of_iterator_api_default”.

  • 3: The default string is “Kokkos::none_of_view_api_default”

  • NOTE: overloads accepting a team handle do not use a label internally

• first, last: range of elements to search in

  • must be random access iterators, e.g., returned from Kokkos::Experimental::(c)begin/(c)end

  • must represent a valid range, i.e., last >= first

  • must be accessible from exespace or from the execution space associated with the team handle

• view:

  • must be rank-1, and have LayoutLeft, LayoutRight, or LayoutStride

  • must be accessible from exespace or from the execution space associated with the team handle

• pred: unary functor such that pred(v) must be valid to be called from the execution space passed, or the execution space associated with the team handle, and convertible to bool for every argument v of type value_type, where value_type is the value type of IteratorType or view and must not modify v.

  • must conform to:

  struct CustomPredicate{
    KOKKOS_INLINE_FUNCTION
    bool operator()(const value_type & v) const;
  };
  

Returns true if no elements in the range or view satisfy the unary predicate, or if the range or view are empty. Returns false otherwise.

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