{"id":14,"date":"2007-08-23T22:27:01","date_gmt":"2007-08-23T13:27:01","guid":{"rendered":"http:\/\/www.atinfinity.info\/blog\/archives\/14"},"modified":"2007-08-23T22:37:46","modified_gmt":"2007-08-23T13:37:46","slug":"vc%e3%81%a7m_pi%e3%81%8c%e4%bd%bf%e3%81%88%e3%81%aa%e3%81%8b%e3%81%a3%e3%81%9f%e7%90%86%e7%94%b1%e5%88%a4%e6%98%8e","status":"publish","type":"post","link":"http:\/\/www.atinfinity.info\/blog\/archives\/14","title":{"rendered":"VC++\u3067M_PI\u304c\u4f7f\u3048\u306a\u304b\u3063\u305f\u7406\u7531\u5224\u660e"},"content":{"rendered":"<p>\u5b66\u751f\u306e\u6642\u304b\u3089VC++\u3067M_PI\u3092\u4f7f\u304a\u3046\u3068\u3057\u305f\u3089\u300cM_PI\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u306a\u3044\u300d<br \/>\n\u3063\u3066\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3093\u3060\u308d\u3046\uff1f \u3068\u601d\u3063\u3066\u306f\u3044\u305f\u3082\u306e\u306e\uff0c\u30b9\u30eb\u30fc\u3057\u3066<\/p>\n<p><font color=\"#0000ff\">#define<\/font> M_PI 3.1415926535897932384626433832795<\/p>\n<p>\u3068\u304b\u5b9a\u7fa9\u3057\u3066\u3060\u307e\u3057\u3060\u307e\u3057\u3084\u3063\u3066\u305f\u3093\u3067\u3059\u304c\uff0c<br \/>\n\uff08\u7279\u306bM_PI\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u308f\u3051\u3058\u3083\u306a\u3044\u3051\u3069\uff09\u305f\u307e\u305f\u307e\u8aad\u3093\u3060blog\u306b\u3066<\/p>\n<p><font color=\"#0000ff\">#define<\/font> _USE_MATH_DEFINES<br \/>\n<font color=\"#0000ff\"> #include<\/font> &lt;math.h&gt;<\/p>\n<p>\u3068\u5b9a\u7fa9\u3057\u3066\u3084\u308b\u3068\uff0c\u3046\u307e\u304f\u3044\u304f\u3089\u3057\u3044\u3068\u3044\u3046\u3053\u3068\u3067<br \/>\n\u3084\u3063\u3066\u307f\u305f\u3089\u3046\u307e\u304f\u3044\u3063\u305f\uff0e\u3067\u3082\uff0c\u7406\u7531\u304c\u308f\u304b\u3089\u306a\u3044\u3068<br \/>\n\u306a\u3093\u3060\u304b\u6c17\u6301\u3061\u60aa\u3044\u306e\u3067\uff0cmath.h\u3092\u8aad\u3093\u3067\u307f\u308b\u3068<\/p>\n<p><font color=\"#0000ff\">#if defined<\/font>(_USE_MATH_DEFINES) &amp;&amp; !<font color=\"#0000ff\">defined<\/font>(_MATH_DEFINES_DEFINED)<br \/>\n<font color=\"#0000ff\">#endif <\/font><\/p>\n<p>\u306e\u9593\u306b<\/p>\n<p><font color=\"#0000ff\">#define<\/font> M_PI       3.14159265358979323846<\/p>\n<p>\u3063\u3066\u8a18\u8ff0\u3057\u3066\u3042\u308b\u306e\u3067\uff0cM_PI\u3092\u4f7f\u3046\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\uff0c<\/p>\n<p><font color=\"#0000ff\"> #include<\/font> &lt;math.h&gt;<\/p>\n<p>\u3067math.h\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3059\u308b\u524d\u306b<\/p>\n<p><font color=\"#0000ff\">#define<\/font> _USE_MATH_DEFINES<\/p>\n<p>\u3068\u3057\u306a\u304d\u3083\u3001\u305d\u308a\u3083\u3042\u300cM_PI\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u306a\u3044\u300d\u3063\u3066\u30a8\u30e9\u30fc\u3082\u51fa\u308b\u3088\u306a\u3068\u7d0d\u5f97\uff0e<br \/>\n\u9577\u5e74\u3064\u3063\u304b\u3048\u3066\u305f\u3082\u306e\u304c\u53d6\u308c\u3066\u3061\u3087\u3063\u3068\u30b9\u30c3\u30ad\u30ea\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u751f\u306e\u6642\u304b\u3089VC++\u3067M_PI\u3092\u4f7f\u304a\u3046\u3068\u3057\u305f\u3089\u300cM_PI\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u306a\u3044\u300d \u3063\u3066\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3093\u3060\u308d\u3046\uff1f \u3068\u601d\u3063\u3066\u306f\u3044\u305f\u3082\u306e\u306e\uff0c\u30b9\u30eb\u30fc\u3057\u3066 #define M_PI 3.14159265358979323846264338 &hellip; <a href=\"http:\/\/www.atinfinity.info\/blog\/archives\/14\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a>&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/posts\/14"}],"collection":[{"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/comments?post=14"}],"version-history":[{"count":0,"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/posts\/14\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/media?parent=14"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/categories?post=14"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.atinfinity.info\/blog\/wp-json\/wp\/v2\/tags?post=14"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}