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Small code cleanup

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Use std::is_arithmetic_v as it is the more modern and concise way to
check for arithmetic types. While at it, fixing a static assert in
misc.h, thanks to Shawn and Disservin for helping.

closes https://github.com/official-stockfish/Stockfish/pull/5883

No functional change
This commit is contained in:
FauziAkram
2025-02-13 23:09:30 +03:00
committed by Disservin
parent 76c319f438
commit ee7259e48b
2 changed files with 7 additions and 2 deletions
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2
src/history.h
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@@ -71,7 +71,7 @@ inline int non_pawn_index(const Position& pos) {
template<typename T, int D>
class StatsEntry {
static_assert(std::is_arithmetic<T>::value, "Not an arithmetic type");
static_assert(std::is_arithmetic_v<T>, "Not an arithmetic type");
static_assert(D <= std::numeric_limits<T>::max(), "D overflows T");
T entry;

7
src/misc.h
View File

@@ -155,6 +155,10 @@ struct MultiArrayHelper<T, Size> {
using ChildType = T;
};
template<typename To, typename From>
constexpr bool is_strictly_assignable_v =
std::is_assignable_v<To&, From> && (std::is_same_v<To, From> || !std::is_convertible_v<From, To>);
}
// MultiArray is a generic N-dimensional array.
@@ -212,7 +216,8 @@ class MultiArray {
template<typename U>
void fill(const U& v) {
static_assert(std::is_assignable_v<T, U>, "Cannot assign fill value to entry type");
static_assert(Detail::is_strictly_assignable_v<T, U>,
"Cannot assign fill value to entry type");
for (auto& ele : data_)
{
if constexpr (sizeof...(Sizes) == 0)