zoukankan      html  css  js  c++  java
  • C++最大值

    C++中, 经常会使用, 某些类型的最大值, 如int的最大整数(INT_MAX), C的函数中, 包含了这些宏定义.

    头文件:

    #include <climits>
    

    具体参见:

    name expresses value*
    CHAR_BIT Number of bits in a char object (byte) 8 or greater*
    SCHAR_MIN Minimum value for an object of type signed char -127 (-27+1) or less*
    SCHAR_MAX Maximum value for an object of type signed char 127 (27-1) or greater*
    UCHAR_MAX Maximum value for an object of type unsigned char 255 (28-1) or greater*
    CHAR_MIN Minimum value for an object of type char either SCHAR_MIN or 0
    CHAR_MAX Maximum value for an object of type char either SCHAR_MAX or UCHAR_MAX
    MB_LEN_MAX Maximum number of bytes in a multibyte character, for any locale 1 or greater*
    SHRT_MIN Minimum value for an object of type short int -32767 (-215+1) or less*
    SHRT_MAX Maximum value for an object of type short int 32767 (215-1) or greater*
    USHRT_MAX Maximum value for an object of type unsigned short int 65535 (216-1) or greater*
    INT_MIN Minimum value for an object of type int -32767 (-215+1) or less*
    INT_MAX Maximum value for an object of type int 32767 (215-1) or greater*
    UINT_MAX Maximum value for an object of type unsigned int 65535 (216-1) or greater*
    LONG_MIN Minimum value for an object of type long int -2147483647 (-231+1) or less*
    LONG_MAX Maximum value for an object of type long int 2147483647 (231-1) or greater*
    ULONG_MAX Maximum value for an object of type unsigned long int 4294967295 (232-1) or greater*
    LLONG_MIN Minimum value for an object of type long long int -9223372036854775807 (-263+1) or less*
    LLONG_MAX Maximum value for an object of type long long int 9223372036854775807 (263-1) or greater*
    ULLONG_MAX Maximum value for an object of type unsigned long long int 18446744073709551615 (264-1) or greater*

    参考链接:https://blog.csdn.net/caroline_wendy/article/details/24311895

  • 相关阅读:
    简单的语句统计所有用户表尺寸大小
    CodeSmith 介绍
    Oracle Partition By 的使用
    Oracle Contact By的使用
    正则提取 html 里<input> 标记的value 值
    IOS 7 风格Checkbox
    aspose words 介绍
    大规模web 服务开发技术
    数学之美 读后感
    工作流简介--(转)
  • 原文地址:https://www.cnblogs.com/chendeqiang/p/12861582.html
Copyright © 2011-2022 走看看