# homework4 - 4.31 z = x y cout<< z 4.27 File...

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Unformatted text preview: 4.31 z = x + y; cout << ++z; 4.27 // *********************************************************************** // File: bintodec.cpp // // Binary to Decimal - User inputs an integer as a binary number, // and the program outputs the decimal equivalent. // // Author: Benjamin Jones // Created: 28 January 2008 // Updated: Original // // Assignment: 4.27 // Compiler: MinGW32 G++ 3.4.2 (GNU) // // Inputs: One integer that is in binary // Outputs: Display message, "Binary number: <binary> Decimal number: <decimal> // ********************************************************************* // // Modules: // 1. Get input from user // // 2. Convert binary to decimal // // 3. Display result to user // //*********************************************************************** // // Design: // // 1.a Read input as a binary integer // // 2.a Use binary integer as a counter // 2.a.1 While binary integer is greater than zero // 2.a.2 Check whether right-most digit is a one // 2.a.2.1 If yes, add to decimal number two to the power of // the current iteration (place value) // 2.a.3 Set binary number to itself divided by ten (shift right) // 2.a.4 Increment counter to next place value // 2.b Return value of decimal number // // 3.a Display message, "Binary number: <binary> Decimal number: <decimal> // // ********************************************************************** #include <iostream> #include <math.h> using namespace std; const int OK = 0; // 2. Convert binary to decimal int convertBinToDec (int binaryNumber) { int endDigitTest; int decimalNumber = 0; int counter = 0; // 2.a Use binary integer as a counter while (binaryNumber > 0 ) { // 2.a.2 Check whether right-most digit is a one endDigitTest = binaryNumber % 2; if (endDigitTest == 1) { // 2.a.2.1 If yes, add to decimal number two to the power of // the current iteration (place value) decimalNumber += pow(2,counter); } // 2.a.3 Set binary number to itself divided by ten (shift right) binaryNumber /= 10; // 2.a.4 Increment counter to next place value counter++; } // 2.b Return value of decimal number return decimalNumber; } int main() { int binaryNumber = 0; // 1. Get input from user cout << "Please enter a binary number: "; // 1.a Read input as a binary integer cin >> binaryNumber; cout << endl; // 3. Display result to user // 3.a Display message, "Binary number: <binary> Decimal number: <decimal> cout << "Binary number: " << binaryNumber << endl << "Decimal number: " << convertBinToDec(binaryNumber) << endl << endl; system("PAUSE"); return OK; } 4.35.1 // ***********************************************************************...
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homework4 - 4.31 z = x y cout<< z 4.27 File...

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