4625十进制转十六进制

爱被打了一巴掌 2024-04-19 09:46 62阅读 0赞

#include <stdio.h>
    #include <stdlib.h>
    
    typedef   unsigned char     BOOL_T;
    typedef   unsigned char     U8_T;
    typedef   signed   char     S8_T;
    typedef   unsigned short    U16_T;
    typedef   signed   short    S16_T;
    typedef   unsigned int      U32_T;
    typedef   signed   int      S32_T;
    typedef   unsigned __int64  U64_T;
    typedef   signed   __int64  S64_T;
    typedef   float             F32_T;
    typedef   double            F64_T;
    typedef   char *            STR_T;
    
    
    U8_T x_mod(U16_T num)//球余数
    {
    	U8_T result = 0;
    	result = num - (num/16)*16;
    	return result;
    }
    
    /*************
    4625/16=289 余数1 商289
    289/16=18 余数1
    18/16=1 余数2
    1/16=0 余数1
    所以4625d=1211h
    ******************/
    U16_T DecToHex(U16_T num)
    {
    	U16_T result = 0;
    	U16_T tmp_result = 0;
        if (num < 255)
        {
           result = ((num/16)<<4) + ((num%16)&0xF);
    
        }
        else
        {
            result |= x_mod(num);             //余数
            tmp_result = (num - x_mod(num))/16;//商
    
            result |= x_mod(tmp_result)<<4;   //余数
            tmp_result = (tmp_result - x_mod(tmp_result))/16 ;//商
    
            result |= x_mod(tmp_result)<<8;   //余数
            tmp_result = (tmp_result - x_mod(tmp_result))/16;//商
    
            result |= (x_mod(tmp_result)<<12);//余数
        }
        return result;
    }
    
    
    int main()
    {
        printf("TEST:%5x\n", DecToHex(10400));
        printf("TEST:%5x\n", DecToHex(19));
        printf("TEST:%5x\n", DecToHex(15));
        printf("TEST:%5x\n", DecToHex(30825));
    	return 0;
    }

运行结果显示：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTQ3ODM3ODU_size_16_color_FFFFFF_t_70]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTQ3ODM3ODU_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20190916185929127.PNG?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTQ3ODM3ODU=,size_16,color_FFFFFF,t_70