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| 71 | +<header data-kunai-mdinfo="{"meta": {"header": ["cstdint"], "id-type": ["macro"], "cpp": ["cpp11"]}, "sources": [{"id": "43c594a4961e1089cb21ee93e2572c17900b48bd", "source": "#include <iostream>\n#include <cstdint>\n#include <limits>\n\nint main()\n{\n std::cout << \"INT_FAST16_MAX: \" << INT_FAST16_MAX << std::endl;\n\n // numeric_limits\u306b\u3088\u308b\u5024\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\n std::cout << \"numeric_limits<int_fast16_t>::max(): \"\n << std::numeric_limits<std::int_fast16_t>::max() << std::endl;\n\n std::cout << \"INT_FAST16_MAX == numeric_limits<int_fast16_t>::max(): \"\n << std::boolalpha\n << (INT_FAST16_MAX == std::numeric_limits<std::int_fast16_t>::max()) << std::endl;\n\n // \u578b\u306e\u78ba\u8a8d\n std::int_fast16_t max_value = INT_FAST16_MAX;\n std::cout << \"\u578b\u3092\u901a\u3057\u305f\u3068\u304d\u306e\u5024: \" << max_value << std::endl;\n\n // \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u78ba\u8a8d\n std::int_fast16_t value = INT_FAST16_MAX;\n std::cout << \"INT_FAST16_MAX: \" << value << std::endl;\n std::cout << \"INT_FAST16_MAX + 1: \" << value + 1 << std::endl;\n\n return 0;\n}\n"}], "page_id": ["reference", "cstdint", "int_fast16_max"]}"> |
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190 | 190 | 最終更新日時(UTC): |
191 | | - <span itemprop="datePublished" content="2024-06-11T13:45:38"> |
192 | | - 2024年06月11日 13時45分38秒 |
| 191 | + <span itemprop="datePublished" content="2025-04-25T01:49:51"> |
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193 | 193 | </span> |
194 | 194 | <br/> |
195 | 195 | <span itemprop="author" itemscope itemtype="http://schema.org/Person"> |
196 | | - <span itemprop="name">Akira Takahashi</span> |
| 196 | + <span itemprop="name">rotarymars</span> |
197 | 197 | </span> |
198 | 198 | が更新 |
199 | 199 | </small></p> |
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217 | 217 | </code></pre></div> |
218 | 218 | </p> |
219 | 219 | <h2>概要</h2> |
220 | | -<p><code><a href="int_fast16_t.html">int_fast16_t</a></code> の最大値。</p> |
| 220 | +<p><code><a href="int_fast16_t.html">int_fast16_t</a></code> の最大値を表す定数。</p> |
| 221 | +<p><code><a href="../limits/numeric_limits.html">std::numeric_limits</a><int_fast16_t>::<a href="../limits/numeric_limits/max.html">max()</a></code> と等しい。</p> |
| 222 | +<h2>例</h2> |
| 223 | +<p><div class="yata" id="43c594a4961e1089cb21ee93e2572c17900b48bd"><div class="codehilite"><pre><span></span><code><span class="cp">#include</span> <span class="cpf"><a href="../iostream.html"><iostream></a></span><span class="cp"></span> |
| 224 | +<span class="cp">#include</span> <span class="cpf"><a href="../cstdint.html"><cstdint></a></span><span class="cp"></span> |
| 225 | +<span class="cp">#include</span> <span class="cpf"><a href="../limits.html"><limits></a></span><span class="cp"></span> |
| 226 | + |
| 227 | +<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> |
| 228 | +<span class="p">{</span> |
| 229 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"INT_FAST16_MAX: "</span> <span class="o"><<</span> <span class="n">INT_FAST16_MAX</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 230 | + |
| 231 | + <span class="c1">// numeric_limitsによる値と一致することを確認</span> |
| 232 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"numeric_limits<int_fast16_t>::max(): "</span> |
| 233 | + <span class="o"><<</span> <span class="n"><a href="../limits/numeric_limits.html">std::numeric_limits</a></span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="kt">int_fast16_t</span><span class="o">>::</span><span class="n">max</span><span class="p">()</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 234 | + |
| 235 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"INT_FAST16_MAX == numeric_limits<int_fast16_t>::max(): "</span> |
| 236 | + <span class="o"><<</span> <span class="n"><a href="../ios/boolalpha.html">std::boolalpha</a></span> |
| 237 | + <span class="o"><<</span> <span class="p">(</span><span class="n">INT_FAST16_MAX</span> <span class="o">==</span> <span class="n"><a href="../limits/numeric_limits.html">std::numeric_limits</a></span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="kt">int_fast16_t</span><span class="o">>::</span><span class="n">max</span><span class="p">())</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 238 | + |
| 239 | + <span class="c1">// 型の確認</span> |
| 240 | + <span class="n">std</span><span class="o">::</span><span class="kt">int_fast16_t</span> <span class="n">max_value</span> <span class="o">=</span> <span class="n">INT_FAST16_MAX</span><span class="p">;</span> |
| 241 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"型を通したときの値: "</span> <span class="o"><<</span> <span class="n">max_value</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 242 | + |
| 243 | + <span class="c1">// オーバーフローの確認</span> |
| 244 | + <span class="n">std</span><span class="o">::</span><span class="kt">int_fast16_t</span> <span class="n">value</span> <span class="o">=</span> <span class="n">INT_FAST16_MAX</span><span class="p">;</span> |
| 245 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"INT_FAST16_MAX: "</span> <span class="o"><<</span> <span class="n">value</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 246 | + <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o"><<</span> <span class="s">"INT_FAST16_MAX + 1: "</span> <span class="o"><<</span> <span class="n">value</span> <span class="o">+</span> <span class="mi">1</span> <span class="o"><<</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span> |
| 247 | + |
| 248 | + <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> |
| 249 | +<span class="p">}</span> |
| 250 | +</code></pre></div> |
| 251 | +</div></p> |
| 252 | +<h3>出力例</h3> |
| 253 | +<p><pre><code>INT_FAST16_MAX: 32767 |
| 254 | +numeric_limits<int_fast16_t>::max(): 32767 |
| 255 | +INT_FAST16_MAX == numeric_limits<int_fast16_t>::max(): true |
| 256 | +型を通したときの値: 32767 |
| 257 | +INT_FAST16_MAX: 32767 |
| 258 | +INT_FAST16_MAX + 1: -32768 |
| 259 | +</code></pre></p> |
| 260 | +<p>この出力例は処理系によって異なる場合がある。特に、<code>int_fast16_t</code>の実際の型が処理系によって異なる可能性があるため、最大値やオーバーフロー動作も異なることがある。</p> |
221 | 261 | <h2>バージョン</h2> |
222 | 262 | <h3>言語</h3> |
223 | 263 | <ul> |
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