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Added a comparison operator for Eigen::array

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Alias Eigen::array to std::array when compiling with Visual Studio 2015
This commit is contained in:
Benoit Steiner 2016-03-11 15:20:37 -08:00
parent c5b98a58b8
commit 25f69cb932
1 changed files with 14 additions and 1 deletions
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15
unsupported/Eigen/CXX11/src/Core/util/EmulateArray.h
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@ -15,7 +15,7 @@
// The array class is only available starting with cxx11. Emulate our own here
// if needed.
// Moreover, CUDA doesn't support the STL containers, so we use our own instead.
#if __cplusplus <= 199711L || defined(__CUDACC__) || defined(EIGEN_AVOID_STL_ARRAY)
#if (__cplusplus <= 199711L && EIGEN_COMP_MSVC < 1900) || defined(__CUDACC__) || defined(EIGEN_AVOID_STL_ARRAY)
namespace Eigen {
template <typename T, size_t n> class array {
@ -177,6 +177,19 @@ template <typename T> class array<T, 0> {
T dummy;
};
// Comparison operator
// Todo: implement !=, <, <=, >, and >=
template<class T, std::size_t N>
bool operator==(const array<T,N>& lhs, const array<T,N>& rhs) {
for (std::size_t i = 0; i < N; ++i) {
if (lhs[i] != rhs[i]) {
return false;
}
}
return true;
}
namespace internal {
template<std::size_t I, class T, std::size_t N>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T& array_get(array<T,N>& a) {