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Refactor code to use constexpr for data() functions.

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This commit is contained in:
Frédéric BRIOL
2024-09-23 16:43:53 +00:00
committed by Rasmus Munk Larsen
parent 2d4c9b400c
commit 2a3465102a
14 changed files with 52 additions and 43 deletions
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8
Eigen/src/Core/GeneralProduct.h
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@@ -229,7 +229,7 @@ struct gemv_static_vector_if;
template <typename Scalar, int Size, int MaxSize>
struct gemv_static_vector_if<Scalar, Size, MaxSize, false> {
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC Scalar* data() {
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC constexpr Scalar* data() {
eigen_internal_assert(false && "should never be called");
return 0;
}
@@ -237,19 +237,19 @@ struct gemv_static_vector_if<Scalar, Size, MaxSize, false> {
template <typename Scalar, int Size>
struct gemv_static_vector_if<Scalar, Size, Dynamic, true> {
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC Scalar* data() { return 0; }
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC constexpr Scalar* data() { return 0; }
};
template <typename Scalar, int Size, int MaxSize>
struct gemv_static_vector_if<Scalar, Size, MaxSize, true> {
#if EIGEN_MAX_STATIC_ALIGN_BYTES != 0
internal::plain_array<Scalar, internal::min_size_prefer_fixed(Size, MaxSize), 0, AlignedMax> m_data;
EIGEN_STRONG_INLINE Scalar* data() { return m_data.array; }
EIGEN_STRONG_INLINE constexpr Scalar* data() { return m_data.array; }
#else
// Some architectures cannot align on the stack,
// => let's manually enforce alignment by allocating more data and return the address of the first aligned element.
internal::plain_array<Scalar, internal::min_size_prefer_fixed(Size, MaxSize) + EIGEN_MAX_ALIGN_BYTES, 0> m_data;
EIGEN_STRONG_INLINE Scalar* data() {
EIGEN_STRONG_INLINE constexpr Scalar* data() {
return reinterpret_cast<Scalar*>((std::uintptr_t(m_data.array) & ~(std::size_t(EIGEN_MAX_ALIGN_BYTES - 1))) +
EIGEN_MAX_ALIGN_BYTES);
}