libMesh::Parallel::Utils Namespace Reference

Functions
template<typename KeyType >
bool	is_sorted (const std::vector< KeyType > &v)
template<typename KeyType >
double	to_double (const KeyType &k)
template<typename KeyType >
KeyType	to_key_type (const double f)
template<>
double	to_double (const Hilbert::HilbertIndices &bvt)
template<>
Hilbert::HilbertIndices	to_key_type (const double f)

---

Function Documentation

template<typename KeyType >

bool libMesh::Parallel::Utils::is_sorted

(

const std::vector< KeyType > &

v

)

[inline]

Utility function that returns true if the vector v is sorted, false otherwise. O(N), the length of the vector. This is implemented solely because the std::is_sorted appears to be an STL extension.

Definition at line 50 of file parallel_conversion_utils.h.

Referenced by libMesh::Parallel::BinSorter< KeyType, IdxType >::BinSorter(), and libMesh::Parallel::Histogram< KeyType, IdxType >::Histogram().

      {
        if (v.empty())
          return true;

        for (unsigned int i=1; i<v.size(); i++)
          if (v[i] < v[i-1])
            return false;

        return true;
      }

template<>

double libMesh::Parallel::Utils::to_double

(

const Hilbert::HilbertIndices &

bvt

)

[inline]

Definition at line 90 of file parallel_conversion_utils.h.

      {
        return static_cast<double>(bvt.rack2);
      }

template<typename KeyType >

double libMesh::Parallel::Utils::to_double

(

const KeyType &

k

)

[inline]

A utility function which converts whatever KeyType is to a double for the histogram bounds

Definition at line 68 of file parallel_conversion_utils.h.

Referenced by libMesh::Parallel::BinSorter< KeyType, IdxType >::binsort(), and libMesh::Parallel::Histogram< KeyType, IdxType >::make_histogram().

      {
        return static_cast<double>(k);
      }

template<>

Hilbert::HilbertIndices libMesh::Parallel::Utils::to_key_type

(

const double

f

)

[inline]

Definition at line 98 of file parallel_conversion_utils.h.

      {
        Hilbert::HilbertIndices bvt;

        bvt.rack0 = 0;
        bvt.rack1 = 0;
        bvt.rack2 = static_cast<Hilbert::inttype>(f);

        return bvt;
      }

template<typename KeyType >

KeyType libMesh::Parallel::Utils::to_key_type

(

const double

f

)

[inline]

A utility to convert a double to some sort of KeyType, for interpreting how histogram bounds relate to KeyType positions.

Definition at line 81 of file parallel_conversion_utils.h.

      {
        return static_cast<KeyType>(f);
      }