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1、C任意进制转换程序 C语言写的一个任意进制转换的程序，不使用库提供的转换函数. / scale.cpp : 定义控制台应用程序的入口点。 / #include stdafx.h #include #include #include #include #include #define WIDTH 10 #define DATAWIDTH 50 #define MAX 4294967295 #define CONST_2 2 #define CONST_3 3 #define CONST_8 8 #define CONST_9 9 #define CONST_10 10 #define CONST
2、_16 16 #define CHAR_0 0 #define CHAR_9 9 #define CHAR_A A #define CHAR_a a #define CHAR_Z Z #define CHAR_SPACE #define STRING_0 0 #define STRING_Z Z bool Scale(); bool GetSourceScale(int * scale_in); bool GetObjectScale(int * scale_out); double OtherToDeci(int scale_in,char inputdata); void DeciToOt
3、her(unsigned long deci,int scale_out,char outputdata); bool GetData(char data,int CONCOUNT,int flg); bool GetScale(char temp); bool GetSource(int in_scale,char inputdata); void ScaleChange(int scale_in,char inputdata,int scale_out,char outputdata); void CleanScreen(); int _tmain(int argc, _TCHAR* ar
4、gv) int flg = 0; char csWIDTH; memset(cs,0x00,sizeof(cs); while(1) printf(-n); printf( Data Transform Between Two Scales n); printf( -n); /*进制转换主函数*/ if(!Scale() break; printf(-n); printf(input any key and press Enter key to continue, Z for exit:); if(!GetData(cs,WIDTH,flg) /*判断是否继续执行下一次转换*/ break;
5、system(cls); /*清屏*/ return 0; bool Scale() int scale_in,scale_out; char inputdataDATAWIDTH; char outputdataDATAWIDTH; /*输入源数据进制*/ if(!GetSourceScale(&scale_in) return false; /*输入源数据*/ if(!GetSource(scale_in,inputdata) return false; /*输入目标数据进制*/ if(!GetObjectScale(&scale_out) return false; /*进行进制转换*/
6、 ScaleChange(scale_in,inputdata,scale_out,outputdata); return true; bool GetSourceScale(int * scale_in) /*输入源数据进制*/ char temparrayWIDTH; memset(temparray,0x00,sizeof(temparray); printf(Input source data scale and press Enter key(one of 2,8,10,16. Z for exit): n); if(!GetScale(temparray) return false
7、; *scale_in = atoi(temparray); return true; bool GetObjectScale(int * scale_out) /*输入目标数据进制*/ char temparrayWIDTH; memset(temparray,0x00,sizeof(temparray); printf(Input object data scale and press Enter key(one of 2,8,10,16. Z for exit): n); if(!GetScale(temparray) return false; *scale_out = atoi(te
8、mparray); return true; bool GetData(char data,int CONCOUNT,int flg) /*输入数据*/ int i,icount; char c; char *p; bool spaceFlag; i = 0; icount = 0; spaceFlag = true; while (c = getchar() != 0x0a) if (spaceFlag & c = CHAR_SPACE) /*去掉前空格*/ continue; if (!spaceFlag & c = CHAR_SPACE) /*去掉后空格*/ icount+; conti
9、nue; else if (icount 0) if (flg) CleanScreen(); printf(ERROR! Please input again(Z for exit): n); /*输入进制或者源数据时，中间有空格，则重新输入*/ i = 0; icount = 0; spaceFlag = true; fflush(stdin); continue; else break; if (i = CONCOUNT - 1) /*判断是否输入数据过长*/ if (flg) CleanScreen(); printf(ERROR! Too many characters.Please
10、 input again(Z for exit): n); memset(data,0x00,sizeof(data); fflush(stdin); i = 0; continue; else break; if (c = CHAR_0 & !strcmp(data,STRING_0) continue; datai = c; i+; spaceFlag = false; datai = 0; p = data; if (*p = CHAR_0 & strlen(p) 1) p+; strcpy(data,p); if (strlen(data) & !strcmp(data,STRING_
11、Z) return false; return true; /*输入数据进制*/ bool GetScale(char temp) int i,num,kbn_flg; char scalewidthWIDTH; char * s; bool flag; kbn_flg = 1; flag = false; while (!flag) memset(scalewidth,0x00,sizeof(scalewidth); memset(temp,0x00,sizeof(temp); if (!GetData(scalewidth,WIDTH,kbn_flg) /*输入数据*/ return fa
12、lse; s = scalewidth; if (!strlen(s) /*判断是否输入数据*/ CleanScreen(); printf(ERROR! Please input the scale(one of 2,8,10,16. Z for exit): n); continue; i = 0; while (*s) if (*s = CHAR_0 & *s = CONST_2 & in_scale = CONST_10) & ( CHAR_0 = *s & *s in_scale + CHAR_0) inputdatai = *s; i+; s+; flag = true; else
13、 if (in_scale = CONST_16) & (CHAR_0 = *s & *s = CHAR_9) | (CHAR_A = *s & *s = in_scale + CHAR_A - CONST_10 - 1) | (CHAR_a = *s & *s (double)MAX) CleanScreen(); printf(ERROR! The input is not available!Please input again(less than ); switch (in_scale) case CONST_2: printf(32 bits 1.); break; case CON
14、ST_8: printf(37777777777.); break; case CONST_10:printf(4294967295.); break; case CONST_16:printf(8 bits F or f.); break; printf( Z for exit): n); flag = false; continue; return true; /*其他进制转换为十进制*/ double OtherToDeci(int scale_in,char inputdata) int i,len,midint; double middbl,temp; len = strlen(in
15、putdata); temp = 0.00; for(i = 0;i len; i+) midint = inputdatai; if ( CHAR_0 = midint & midint = CHAR_9 ) midint = midint - CHAR_0; /*0-9*/ else if ( CHAR_A = midint & midint CONST_9) outputdatan = m + CHAR_A - CONST_10; else outputdatan = m + CHAR_0; deci = deci / scale_out; n+; for (m = 0; m = n /
16、 2 - 1; m+) /*反序得到目标数据*/ char t; t = outputdatam; outputdatam = outputdatan - 1 - m; outputdatan - 1 - m = t; outputdatan = 0; void PutSource(char inputdata) /*输出源数据*/ int k; if (!strcmp(inputdata,STRING_0) /*源数据为0*/ printf(The source data is: 0)n); else printf(The source data is: ); for( k = 0; k s
17、trlen(inputdata); k+ ) printf(%c,inputdatak); printf()n); void ScaleChange(int scale_in,char inputdata,int scale_out,char outputdata) /*进制转换*/ int k; unsigned long deci; deci = 0; if (scale_in = scale_out) /*原数据进制和目标数据进制相同,不用转换 */ if (!strcmp(inputdata,STRING_0) printf(The object data is: n0n); else
18、 printf(The object data is: n); for( k = 0; k strlen(inputdata); k+ ) printf(%c,inputdatak); printf(n); PutSource(inputdata); else if (scale_in = CONST_10) deci = atol(inputdata); /*源数据是十进制，直接转换为十进制数*/ else deci = (unsigned long)OtherToDeci(scale_in,inputdata); /*其他进制转换为十进制*/ if (scale_out = CONST_1
19、0) /*如果目标进制是十进制，直接输出十进制数*/ printf(The object data is: n%u n,deci); else if (!deci) /*源数据为0*/ printf(The object data is: n0n); else DeciToOther(deci,scale_out,outputdata); /*十进制转换为其他进制*/ printf(The object data is: n); /*输出转换后结果*/ for( k = 0; k strlen(outputdata); k+ ) printf(%c,outputdatak); printf(n); PutSource(inputdata); void CleanScreen() /*清屏*/ static int errcount = 0; errcount+; if(!(errcount % CONST_3) errcount = 0; system(cls);