numeric_limits::is_iec559 : C++23対応 #1022

cpprefjp · Feb 27, 2023 · 3607e5a · 3607e5a
1 parent 1a85749
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diff --git a/reference/limits/numeric_limits/is_iec559.md b/reference/limits/numeric_limits/is_iec559.md
@@ -5,17 +5,18 @@
 * variable[meta id-type]
 
 ```cpp
-// C++03
-static const bool is_iec559;
-
-// C++11
-static constexpr bool is_iec559;
+static const bool is_iec559;     // (1) C++03
+static constexpr bool is_iec559; // (1) C++11
 ```
 
 ## 概要
 浮動小数点数型において、型`T`がIEC 559 (IEEE 754) に準拠しているかを判定する。
 
 
+## 備考
+- C++23 : [`float16_t`](/reference/stdfloat/float16_t.md)、[`float32_t`](/reference/stdfloat/float32_t.md)、[`float64_t`](/reference/stdfloat/float64_t.md)、[`float128_t`](/reference/stdfloat/float128_t.md)が存在する場合、この値は`true`となる
+
+
 ## 例
 ```cpp example
 #include <iostream>

diff --git a/reference/stdfloat/float128_t.md b/reference/stdfloat/float128_t.md
@@ -174,6 +174,7 @@ int main() {
 - [`std::float32_t`](float32_t.md)
 - [`std::float64_t`](float64_t.md)
 - [`std::bfloat16_t`](bfloat16_t.md)
+- [`std::numeric_limits<T>::is_iec559`](/reference/limits/numeric_limits/is_iec559.md)
 
 
 ## 参照

diff --git a/reference/stdfloat/float16_t.md b/reference/stdfloat/float16_t.md
@@ -174,6 +174,7 @@ int main() {
 - [`std::float64_t`](float64_t.md)
 - [`std::float128_t`](float128_t.md)
 - [`std::bfloat16_t`](bfloat16_t.md)
+- [`std::numeric_limits<T>::is_iec559`](/reference/limits/numeric_limits/is_iec559.md)
 
 
 ## 参照

diff --git a/reference/stdfloat/float32_t.md b/reference/stdfloat/float32_t.md
@@ -174,6 +174,7 @@ int main() {
 - [`std::float64_t`](float64_t.md)
 - [`std::float128_t`](float128_t.md)
 - [`std::bfloat16_t`](bfloat16_t.md)
+- [`std::numeric_limits<T>::is_iec559`](/reference/limits/numeric_limits/is_iec559.md)
 
 
 ## 参照

diff --git a/reference/stdfloat/float64_t.md b/reference/stdfloat/float64_t.md
@@ -174,6 +174,7 @@ int main() {
 - [`std::float32_t`](float32_t.md)
 - [`std::float128_t`](float128_t.md)
 - [`std::bfloat16_t`](bfloat16_t.md)
+- [`std::numeric_limits<T>::is_iec559`](/reference/limits/numeric_limits/is_iec559.md)
 
 
 ## 参照