CPS 6 Ramm - Spring 2001 - 1/24/01 #6
- Announce
- Quiz Friday
- Assignment #2
Chapter 2: C++ Programs: Form and Function
- Relational Operators
| == | equal to
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| > | greater than
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| < | less than
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| != | not equal to
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| >= | greater than or equal to
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| <= | less than or equal to
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- Assignment Statement: ... = ...
- Pronounce gets rather than equals
- Example with if/else and assignments:
firstof3.cpp
- Value of Relational Operations
true = 1
false = 0
- Logical Operators
- Short Circuit Evaluation
exhaust4.cpp
- C++ Operator Precedence
| ! | NOT
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| *, /, % | mult, div, mod
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| +, - | add, subt
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| <<, >> | insert, extract
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| <, <=, >, >= | LT, LE, GT, GE
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| ==, != | EQ, NE
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| && | AND
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| || | OR
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| =, +=, -=, *=, /=, %= | assignment
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When in doubt, parenthesize
- Functions that Return Values
math.cpp
- Writing
Double Functions
tfuncts.cpp
- Use Functions Like Variables
- Writing
string Functions
getgrade.cpp,
getgradealt.cpp
- Design Different "Curving" Functions
- Writing Functions
Design Different "Curving" Functions