FLOAT型的二进制输出.rar

#include<iostream> using namespace std; //十进制转化为二进制 #define Array_Size 32 #define Point_Size 8 //交换函数 void Integer_Swap(int & intLeft, int &intRight) { int temp = intLeft; intLeft = intRight; intRight = temp; } //数组置逆 void Array_Reverse(int *a, int len)//数组做参数 {//指针出界 for (int i = 0; i < (len + 1) / 2; i++) { Integer_Swap(*(a + i), *(a + len - 1 - i)); } } //定义一个浮点转化类 class FLOAT_BIANRY { private: //原始函数 float Material; float Material_trans; //正负号 int Symbol; //整数部分 int Ingeter_Part; //小数部分 float Decimal_Part; //整数部分二进制数组 int Ingeter_Part_Array[Array_Size] = { 0 }; //小数部分二进制数组 int Decimal_Part_Array[Array_Size] = { 0 }; //二进制指数 int Array_Exp[Point_Size] = { 0 }; //指数偏移量 int OFFSET_Exp = 127; //小数点移动位数 int Bits_Point=-1; //总体 int Material_Binary[Array_Size] = { 0 }; public: //构造函数 FLOAT_BIANRY(float material) { this->Material = material; } //析构函数 //0.判断正负 void Judge_PosiOrnega(); //1.提取整数部分 void Ingeter_Abs(); //2.提取小数部分 void Decimal_Abs(); //3.整数部分二进制化 void Ingeter_Binary(); //4.小数部分二进制化 void Decimal_Binary(); //5.确定小数点移动位数 void Judge_Point_Move(); //6.总体 void Array_Total(); //7.打印输出 void Print_Binary(); }; //0.判断正负 void FLOAT_BIANRY::Judge_PosiOrnega() { if (Material < 0) { this->Symbol = 1; this->Material_trans = -this->Material; } else { this->Symbol = 0; this->Material_trans = this->Material; } } //1.提取整数部分 void FLOAT_BIANRY::Ingeter_Abs() { Ingeter_Part = (int)this->Material_trans; } //2.提取小数部分 void FLOAT_BIANRY::Decimal_Abs() { this->Decimal_Part = this->Material_trans - this->Ingeter_Part; } //3.整数部分二进制化 void FLOAT_BIANRY::Ingeter_Binary() { int Temp= Ingeter_Part; int index = 0; while (Temp != 0) { if (Temp % 2 == 0) { Ingeter_Part_Array[index++] = 0; } else { Ingeter_Part_Array[index++] = 1; } Temp /= 2; (this->Bits_Point)++; } //调换顺序 Array_Reverse(Ingeter_Part_Array, sizeof(Ingeter_Part_Array) / sizeof(*Ingeter_Part_Array)); } //4.小数部分二进制化 void FLOAT_BIANRY::Decimal_Binary() { float Temp = this->Decimal_Part; int index = 0; while (Temp != 0) { if (Temp *2 >= 1) { Decimal_Part_Array[index++] = 1; Temp = 2 * Temp - 1; } else { Decimal_Part_Array[index++] = 0; Temp = 2 * Temp ; } } } //5.确定小数点移动位数 void FLOAT_BIANRY::Judge_Point_Move() { int Temp = OFFSET_Exp + Bits_Point; int index = 0; while (Temp != 0) { if (Temp % 2 == 0) { Array_Exp[index++] = 0; } else { Array_Exp[index++] = 1; } Temp /= 2; } //调换顺序 Array_Reverse(Array_Exp, sizeof(Array_Exp) / sizeof(*Array_Exp)); } //6总体 void FLOAT_BIANRY::Array_Total() { //初始化第31位，第0位 if (Symbol == 1) Material_Binary[0] = 0; //初始化30-23位，第1-8位 for (int i = 1, j = 0; i <= 8; i++,j++) Material_Binary[i] = Array_Exp[j]; //初始化22-0位，第9-31位，0-22,,整数部分和小数部分 for (int i = 9, j = 31; i <9+ Bits_Point; i++, j--) Material_Binary[i] = Ingeter_Part_Array[j]; for(int i=9+ Bits_Point,j=0;i<32;i++,j++) Material_Binary[i] = Decimal_Part_Array[j]; } //7.打印输出 void FLOAT_BIANRY::Print_Binary() { Judge_PosiOrnega();//1.判断正负 Ingeter_Abs();//2.提取整数部分 Ingeter_Binary();//整数部分二进制 Decimal_Abs(); //3.提取小数部分 Decimal_Binary();//4.小数部分二进制 Judge_Point_Move();//5.确定小数点移动位数 Array_Total();//6.最终函数 for (int i = 0; i < Array_Size; i++) { if (i == 1 || i == 9) cout << " "; cout << Material_Binary[i]; } cout << endl; } int main() { float float_User; cout << "用户您好，请您输入一个浮点数：" << endl; cin >> float_User; FLOAT_BIANRY Float_User(float_User); Float_User.Print_Binary(); system("pause"); return 0; }