C programmers commonly make errors regarding the precedence rules of C operators due to the unintuitive low-precedence levels of " &", " |", " ^", " <<", and " >>". Mistakes regarding precedence rules can be avoided by the suitable use of parentheses. Using parentheses defensively reduces errors and, if not taken to excess, makes the code more readable.
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EXP00-EX1: Mathematical expressions that follow algebraic order do not require parentheses. For instance, in the expression:
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x + y * z |
the multiplication is performed before the addition by mathematical convention. Consequently, parenthesis parentheses to enforce this would be redundant.
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