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reduce float warnings (comparisons and implicit conversions)

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This commit is contained in:
Erik Schultheis
2022-01-26 18:16:19 +00:00
committed by Rasmus Munk Larsen
parent 51311ec651
commit d271a7d545
41 changed files with 152 additions and 133 deletions
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16
Eigen/src/Core/util/Meta.h
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@@ -397,6 +397,8 @@ struct aligned_storage {
} // end namespace internal
template<typename T> struct NumTraits;
namespace numext {
#if defined(EIGEN_GPU_COMPILE_PHASE)
@@ -429,6 +431,20 @@ template<> EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC
bool equal_strict(const double& x,const double& y) { return std::equal_to<double>()(x,y); }
#endif
/**
* \internal Performs an exact comparison of x to zero, e.g. to decide whether a term can be ignored.
* Use this to to bypass -Wfloat-equal warnings when exact zero is what needs to be tested.
*/
template<typename X> EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC
bool is_exactly_zero(const X& x) { return equal_strict(x, typename NumTraits<X>::Literal{0}); }
/**
* \internal Performs an exact comparison of x to one, e.g. to decide whether a factor needs to be multiplied.
* Use this to to bypass -Wfloat-equal warnings when exact one is what needs to be tested.
*/
template<typename X> EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC
bool is_exactly_one(const X& x) { return equal_strict(x, typename NumTraits<X>::Literal{1}); }
template<typename X, typename Y> EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC
bool not_equal_strict(const X& x,const Y& y) { return x != y; }