C++标准模板（STL）- 类型支持 （定宽整数类型）(INT8_MIN,INT_FAST8_MIN,INT_LEAST8_MIN,INTPTR_MIN,INTMAX_MIN )

定宽整数类型

宏常量

定义于头文件 

有符号整数：最小值
INT8_MININT16_MININT32_MININT64_MIN	int8_t、int16_t、int32_t、int64_t 类型对象的最小值 (宏常量)
INT_FAST8_MININT_FAST16_MININT_FAST32_MININT_FAST64_MIN	int_fast8_t、int_fast16_t、int_fast32_t、int_fast64_t 类型对象的最小值 (宏常量)
INT_LEAST8_MININT_LEAST16_MININT_LEAST32_MININT_LEAST64_MIN	int_least8_t、int_least16_t、int_least32_t、int_least64_t 类型对象的最小值 (宏常量)
INTPTR_MIN	intptr_t 类型对象的最小值 (宏常量)
INTMAX_MIN	intmax_t 类型对象的最小值 (宏常量)
有符号整数：最大值
INT8_MAXINT16_MAXINT32_MAXINT64_MAX	int8_t、int16_t、int32_t、int64_t 类型对象的最大值 (宏常量)
INT_FAST8_MAXINT_FAST16_MAXINT_FAST32_MAXINT_FAST64_MAX	int_fast8_t、int_fast16_t、int_fast32_t、int_fast64_t 类型对象的最大值 (宏常量)
INT_LEAST8_MAXINT_LEAST16_MAXINT_LEAST32_MAXINT_LEAST64_MAX	int_least8_t、int_least16_t、int_least32_t、int_least64_t 类型对象的最大值 (宏常量)
INTPTR_MAX	intptr_t 类型对象的最大值 (宏常量)
INTMAX_MAX	intmax_t 类型对象的最大值 (宏常量)
无符号整数：最大值
UINT8_MAXUINT16_MAXUINT32_MAXUINT64_MAX	uint8_t、uint16_t、uint32_t、uint64_t 类型对象的最大值 (宏常量)
UINT_FAST8_MAXUINT_FAST16_MAXUINT_FAST32_MAXUINT_FAST64_MAX	uint_fast8_t、uint_fast16_t、uint_fast32_t、uint_fast64_t 类型对象的最大值 (宏常量)
UINT_LEAST8_MAXUINT_LEAST16_MAXUINT_LEAST32_MAXUINT_LEAST64_MAX	uint_least8_t、uint_least16_t、uint_least32_t、uint_least64_t 类型对象的最大值 (宏常量)
UINTPTR_MAX	uintptr_t 类型对象的最大值 (宏常量)
UINTMAX_MAX	uintmax_t 类型对象的最大值 (宏常量)

 调用示例

#include 
#include 

int main()
{
    //int8_t、int16_t、int32_t、int64_t 类型对象的最小值
    std::cout << "INT8_MIN:         " << INT8_MIN << std::endl;
    std::cout << "INT16_MIN:        " << INT16_MIN << std::endl;
    std::cout << "INT32_MIN:        " << INT32_MIN << std::endl;
    std::cout << "INT64_MIN:        " << INT64_MIN << std::endl;
    std::cout << std::endl;

    //int_fast8_t、int_fast16_t、int_fast32_t、int_fast64_t 类型对象的最小
    std::cout << "INT_FAST8_MIN:    " << INT_FAST8_MIN << std::endl;
    std::cout << "INT_FAST16_MIN:   " << INT_FAST16_MIN << std::endl;
    std::cout << "INT_FAST32_MIN:   " << INT_FAST32_MIN << std::endl;
    std::cout << "INT_FAST64_MIN:   " << INT_FAST64_MIN << std::endl;
    std::cout << std::endl;

    //int_least8_t、int_least16_t、int_least32_t、int_least64_t 类型对象的最小值
    std::cout << "INT_LEAST8_MIN:   " << INT_LEAST8_MIN << std::endl;
    std::cout << "INT_LEAST16_MIN:  " << INT_LEAST16_MIN << std::endl;
    std::cout << "INT_LEAST32_MIN:  " << INT_LEAST32_MIN << std::endl;
    std::cout << "INT_LEAST64_MIN:  " << INT_LEAST64_MIN << std::endl;
    std::cout << std::endl;

    //int8_t、int16_t、int32_t、int64_t 类型对象的最大值
    std::cout << "INT8_MAX:         " << INT8_MAX << std::endl;
    std::cout << "INT16_MAX:        " << INT16_MAX << std::endl;
    std::cout << "INT32_MAX:        " << INT32_MAX << std::endl;
    std::cout << "INT64_MAX:        " << INT64_MAX << std::endl;
    std::cout << std::endl;

    //int_fast8_t、int_fast16_t、int_fast32_t、int_fast64_t 类型对象的最大值
    std::cout << "INT_FAST8_MAX:    " << INT_FAST8_MAX << std::endl;
    std::cout << "INT_FAST16_MAX:   " << INT_FAST16_MAX << std::endl;
    std::cout << "INT_FAST32_MAX:   " << INT_FAST32_MAX << std::endl;
    std::cout << "INT_FAST64_MAX:   " << INT_FAST64_MAX << std::endl;
    std::cout << std::endl;

    //int_least8_t、int_least16_t、int_least32_t、int_least64_t 类型对象的最大值
    std::cout << "INT_LEAST8_MAX:   " << INT_LEAST8_MAX << std::endl;
    std::cout << "INT_LEAST16_MAX:  " << INT_LEAST16_MAX << std::endl;
    std::cout << "INT_LEAST32_MAX:  " << INT_LEAST32_MAX << std::endl;
    std::cout << "INT_LEAST64_MAX:  " << INT_LEAST64_MAX << std::endl;
    std::cout << std::endl;

    //intptr_t 类型对象的最小值
    std::cout << "INTPTR_MIN:       " << INTPTR_MIN << std::endl;
    //intmax_t 类型对象的最小值
    std::cout << "INTMAX_MIN:       " << INTMAX_MIN << std::endl;
    //intptr_t 类型对象的最大值
    std::cout << "INTPTR_MAX:       " << INTPTR_MAX << std::endl;
    //intmax_t 类型对象的最大值
    std::cout << "INTMAX_MAX:       " << INTMAX_MAX << std::endl;
    std::cout << std::endl;

    //uint8_t、uint16_t、uint32_t、uint64_t 类型对象的最大值
    std::cout << "UINT8_MAX:         " << UINT8_MAX << std::endl;
    std::cout << "UINT16_MAX:        " << UINT16_MAX << std::endl;
    std::cout << "UINT32_MAX:        " << UINT32_MAX << std::endl;
    std::cout << "UINT64_MAX:        " << UINT64_MAX << std::endl;
    std::cout << std::endl;

    //uint_fast8_t、uint_fast16_t、uint_fast32_t、uint_fast64_t 类型对象的最大值
    std::cout << "UINT_FAST8_MAX:    " << UINT_FAST8_MAX << std::endl;
    std::cout << "UINT_FAST16_MAX:   " << UINT_FAST16_MAX << std::endl;
    std::cout << "UINT_FAST32_MAX:   " << UINT_FAST32_MAX << std::endl;
    std::cout << "UINT_FAST64_MAX:   " << UINT_FAST64_MAX << std::endl;
    std::cout << std::endl;

    //uint_least8_t、uint_least16_t、uint_least32_t、uint_least64_t 类型对象的最大值
    std::cout << "UINT_LEAST8_MAX:   " << UINT_LEAST8_MAX << std::endl;
    std::cout << "UINT_LEAST16_MAX:  " << UINT_LEAST16_MAX << std::endl;
    std::cout << "UINT_LEAST32_MAX:  " << UINT_LEAST32_MAX << std::endl;
    std::cout << "UINT_LEAST64_MAX:  " << UINT_LEAST64_MAX << std::endl;
    std::cout << std::endl;

    //uintptr_t 类型对象的最大值
    std::cout << "UINTPTR_MAX:       " << UINTPTR_MAX << std::endl;
    //uintmax_t 类型对象的最大值
    std::cout << "UINTMAX_MAX:       " << UINTMAX_MAX << std::endl;
    std::cout << std::endl;
    return 0;
}

输出

INT8_MIN:         -128
INT16_MIN:        -32768
INT32_MIN:        -2147483648
INT64_MIN:        -9223372036854775808

INT_FAST8_MIN:    -128
INT_FAST16_MIN:   -32768
INT_FAST32_MIN:   -2147483648
INT_FAST64_MIN:   -9223372036854775808

INT_LEAST8_MIN:   -128
INT_LEAST16_MIN:  -32768
INT_LEAST32_MIN:  -2147483648
INT_LEAST64_MIN:  -9223372036854775808

INT8_MAX:         127
INT16_MAX:        32767
INT32_MAX:        2147483647
INT64_MAX:        9223372036854775807

INT_FAST8_MAX:    127
INT_FAST16_MAX:   32767
INT_FAST32_MAX:   2147483647
INT_FAST64_MAX:   9223372036854775807

INT_LEAST8_MAX:   127
INT_LEAST16_MAX:  32767
INT_LEAST32_MAX:  2147483647
INT_LEAST64_MAX:  9223372036854775807

INTPTR_MIN:       -2147483648
INTMAX_MIN:       -9223372036854775808
INTPTR_MAX:       2147483647
INTMAX_MAX:       9223372036854775807

UINT8_MAX:         255
UINT16_MAX:        65535
UINT32_MAX:        4294967295
UINT64_MAX:        18446744073709551615

UINT_FAST8_MAX:    255
UINT_FAST16_MAX:   65535
UINT_FAST32_MAX:   4294967295
UINT_FAST64_MAX:   18446744073709551615

UINT_LEAST8_MAX:   255
UINT_LEAST16_MAX:  65535
UINT_LEAST32_MAX:  4294967295
UINT_LEAST64_MAX:  18446744073709551615

UINTPTR_MAX:       4294967295
UINTMAX_MAX:       18446744073709551615