May 2002
Beginner
320 pages
6h 18m
English
Content preview from SAMS Teach Yourself C++ in 10 Minutes SECOND EDITION
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The Calculator Tape in the Accumulator
Returning to the broader picture, Listing 12.2 shows the Accumulate() function in main.cpp with some minor changes that enable it to use the tape.
Listing 12.2. Using the Tape in Accumulate()
1: float Accumulate 2: (const char theOperator,const float theOperand) 3: { 4: static float myAccumulator = 0; // Set at program start 5: 6: switch (theOperator) 7: { 8: case '+': 9: myAccumulator = myAccumulator + theOperand; 10: break; 11: 12: case '-': 13: myAccumulator = myAccumulator - theOperand; 14: break; 15: 16: case '*': 17: myAccumulator = myAccumulator * theOperand; 18: break; 19: 20: case '/': 21: myAccumulator = myAccumulator / theOperand; 22: break; 23: *24: case '?': *25: break; 26: 27: default: 28: ... |
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