{"id":48482,"date":"2024-12-02T10:01:43","date_gmt":"2024-12-02T02:01:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48482\/"},"modified":"2024-12-02T10:01:43","modified_gmt":"2024-12-02T02:01:43","slug":"ph%e5%87%bd%e6%95%b0%e5%ae%89%e5%85%a8%e9%97%ae%e9%a2%98%e7%9a%84%e6%9c%89%e6%95%88%e9%98%b2%e8%8c%83%e4%b8%8e%e6%b2%bb%e7%90%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48482\/","title":{"rendered":"ph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>ph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p>pH \u51fd\u6570\u6ea2\u51fa\u662f\u5176\u4e3b\u8981\u5b89\u5168\u95ee\u9898\u3002\u4e3a\u4e86\u9632\u8303\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u63aa\u65bd\uff1a1. \u4f7f\u7528 long long \u6570\u636e\u7c7b\u578b\uff1b2. \u63d0\u524d\u68c0\u67e5\u5143\u7d20\uff1b3. \u4f7f\u7528 satmm intrinsics\u3002\u6cbb\u7406\u63aa\u65bd\u5305\u62ec\u5ba1\u67e5\u4ee3\u7801\u3001\u5236\u5b9a\u6307\u5bfc\u65b9\u9488\u548c\u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730035834671e407a138ce.jpg\" class=\"aligncenter\" title=\"ph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406\u63d2\u56fe\" alt=\"ph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406\u63d2\u56fe\" \/><\/p>\n<p><strong>pH \u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>pH \u51fd\u6570\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u57fa\u672c\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u6570\u7ec4\u6216\u5411\u91cf\u7684\u5143\u7d20\u5e73\u65b9\u548c\u3002\u4f46\u662f\uff0c\u5728\u4f7f\u7528 pH \u51fd\u6570\u65f6\uff0c\u9700\u8981\u5c0f\u5fc3\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u3002<\/p>\n<p><strong>\u5b89\u5168\u95ee\u9898<\/strong><\/p>\n<p>pH \u51fd\u6570\u7684\u4e00\u4e2a\u5b89\u5168\u95ee\u9898\u662f\u5b83\u53ef\u80fd\u4ea7\u751f\u6ea2\u51fa\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\uff0c\u5305\u62ec\u7a0b\u5e8f\u5d29\u6e83\u3002\u6ea2\u51fa\u4f1a\u53d1\u751f\u5728\u5143\u7d20\u7684\u5e73\u65b9\u548c\u5927\u4e8e int \u6240\u80fd\u5bb9\u7eb3\u7684\u6700\u5927\u503c\u65f6\u3002<\/p>\n<p><strong>\u9632\u8303\u63aa\u65bd<\/strong><\/p>\n<p>\u4e3a\u4e86\u9632\u8303 pH \u51fd\u6570\u7684\u6ea2\u51fa\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 long long \u6570\u636e\u7c7b\u578b\uff1a<\/strong>long long \u6570\u636e\u7c7b\u578b\u6bd4 int \u6570\u636e\u7c7b\u578b\u5177\u6709\u66f4\u5bbd\u7684\u8303\u56f4\uff0c\u53ef\u4ee5\u5904\u7406\u66f4\u5927\u7684\u6570\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u6ea2\u51fa\u98ce\u9669\u3002<\/li>\n<li><strong>\u63d0\u524d\u68c0\u67e5\uff1a<\/strong>\u5728\u8c03\u7528 pH \u51fd\u6570\u4e4b\u524d\uff0c\u53ef\u4ee5\u68c0\u67e5\u6570\u7ec4\u6216\u5411\u91cf\u7684\u5143\u7d20\u4ee5\u67e5\u627e\u53ef\u80fd\u5bfc\u81f4\u6ea2\u51fa\u7684\u5927\u503c\u3002<\/li>\n<li><strong>\u4f7f\u7528 satmm intrinsics\uff1a<\/strong>satmm intrinsics \u5141\u8bb8\u5728\u7f16\u8bd1\u65f6\u68c0\u6d4b\u548c\u9971\u548c\u7b97\u672f\u6ea2\u51fa\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b C++ \u4ee3\u7801\u7247\u6bb5\uff1a<\/p>\n<pre>int main() {\n  int a[] = {1, 2, 3, 4, 5};\n  int sum = 0;\n\n  \/\/ \u8ba1\u7b97\u5e73\u65b9\u548c\n  for (int i = 0; i &lt; sizeof(a) \/ sizeof(a[0]); i++) {\n    sum += a[i] * a[i];\n  }\n\n  \/\/ \u68c0\u67e5\u6ea2\u51fa\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\n  if (sum &gt; INT_MAX) {\n    \/\/ \u5904\u7406\u6ea2\u51fa\uff0c\u4f8b\u5982\u8bb0\u5f55\u9519\u8bef\u6216\u9000\u51fa\u7a0b\u5e8f\n  }\n\n  return 0;\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a int \u7c7b\u578b\u7684 sum \u53d8\u91cf\u6765\u5b58\u50a8\u5e73\u65b9\u548c\u3002\u7136\u800c\uff0c\u5982\u679c\u6570\u7ec4 a \u4e2d\u7684\u5143\u7d20\u8f83\u5927\uff0c\u5219\u53ef\u80fd\u4f1a\u53d1\u751f\u6ea2\u51fa\u3002\u4e3a\u4e86\u9632\u8303\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u68c0\u67e5\u662f\u5426\u4f1a\u53d1\u751f\u6ea2\u51fa\u3002\u5982\u679c\u6ea2\u51fa\u53d1\u751f\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\uff0c\u4f8b\u5982\u8bb0\u5f55\u9519\u8bef\u6216\u5b89\u5168\u5730\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<p><strong>\u6cbb\u7406<\/strong><\/p>\n<p>\u9664\u4e86\u9632\u8303\u63aa\u65bd\u4e4b\u5916\uff0c\u8fd8\u5e94\u5236\u5b9a\u6cbb\u7406\u653f\u7b56\u4ee5\u7ba1\u7406 pH \u51fd\u6570\u7684\u5b89\u5168\u4f7f\u7528\u3002\u8fd9\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5ba1\u67e5\u4ee3\u7801\u4ee5\u67e5\u627e\u6f5c\u5728\u7684\u6ea2\u51fa\u95ee\u9898\u3002<\/li>\n<li>\u5236\u5b9a\u6307\u5bfc\u65b9\u9488\u4ee5\u786e\u4fdd\u4f7f\u7528\u5408\u9002\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/li>\n<li>\u5b9a\u671f\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u4ee5\u8bc6\u522b\u548c\u89e3\u51b3\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u63aa\u65bd\uff0c\u7ec4\u7ec7\u53ef\u4ee5\u6709\u6548\u5730\u9632\u8303\u548c\u6cbb\u7406 pH \u51fd\u6570\u7684\u5b89\u5168\u95ee\u9898\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406 \u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aph\u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002 pH \u51fd\u6570\u6ea2\u51fa\u662f\u5176\u4e3b\u8981\u5b89\u5168\u95ee\u9898\u3002\u4e3a\u4e86\u9632\u8303\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u63aa\u65bd\uff1a1. \u4f7f\u7528 long long \u6570\u636e\u7c7b\u578b\uff1b2. \u63d0\u524d\u68c0\u67e5\u5143\u7d20\uff1b3. \u4f7f\u7528 satmm intrinsics\u3002\u6cbb\u7406\u63aa\u65bd\u5305\u62ec\u5ba1\u67e5\u4ee3\u7801\u3001\u5236\u5b9a\u6307\u5bfc\u65b9\u9488\u548c\u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u3002 pH \u51fd\u6570\u5b89\u5168\u95ee\u9898\u7684\u6709\u6548\u9632\u8303\u4e0e\u6cbb\u7406 \u5f15\u8a00 pH \u51fd\u6570\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u57fa\u672c\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u6570\u7ec4\u6216\u5411\u91cf\u7684\u5143\u7d20\u5e73\u65b9\u548c\u3002\u4f46\u662f\uff0c\u5728\u4f7f\u7528 pH \u51fd\u6570\u65f6\uff0c\u9700\u8981\u5c0f\u5fc3\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u3002 \u5b89\u5168\u95ee\u9898 pH \u51fd\u6570\u7684\u4e00\u4e2a\u5b89\u5168\u95ee\u9898\u662f\u5b83\u53ef\u80fd\u4ea7\u751f\u6ea2\u51fa\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\uff0c\u5305\u62ec\u7a0b\u5e8f\u5d29\u6e83\u3002\u6ea2\u51fa\u4f1a\u53d1\u751f\u5728\u5143\u7d20\u7684\u5e73\u65b9\u548c\u5927\u4e8e int \u6240\u80fd\u5bb9\u7eb3\u7684\u6700\u5927\u503c\u65f6\u3002 \u9632\u8303\u63aa\u65bd \u4e3a\u4e86\u9632\u8303 pH \u51fd\u6570\u7684\u6ea2\u51fa\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u63aa\u65bd\uff1a \u4f7f\u7528 long long \u6570\u636e\u7c7b\u578b\uff1along long \u6570\u636e\u7c7b\u578b\u6bd4 int \u6570\u636e\u7c7b\u578b\u5177\u6709\u66f4\u5bbd\u7684\u8303\u56f4\uff0c\u53ef\u4ee5\u5904\u7406\u66f4\u5927\u7684\u6570\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u6ea2\u51fa\u98ce\u9669\u3002 \u63d0\u524d\u68c0\u67e5\uff1a\u5728\u8c03\u7528 pH \u51fd\u6570\u4e4b\u524d\uff0c\u53ef\u4ee5\u68c0\u67e5\u6570\u7ec4\u6216\u5411\u91cf\u7684\u5143\u7d20\u4ee5\u67e5\u627e\u53ef\u80fd\u5bfc\u81f4\u6ea2\u51fa\u7684\u5927\u503c\u3002 \u4f7f\u7528 satmm intrinsics\uff1asatmm intrinsics \u5141\u8bb8\u5728\u7f16\u8bd1\u65f6\u68c0\u6d4b\u548c\u9971\u548c\u7b97\u672f\u6ea2\u51fa\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b C++ \u4ee3\u7801\u7247\u6bb5\uff1a int main() { int a[] = {1, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48482","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48482"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48482\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}