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Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 8 - QuickDraw GX Mathematics / QuickDraw GX Mathematics Reference

Mathematical Functions / Operations on wide Numbers

WideCompare

You can use the WideCompare function to compare the magnitudes of two 64-bit numbers.

short WideCompare(const wide *target, const wide *source);

target

A pointer to one of the two wide numbers to be compared.

source

A pointer to the second of the two wide numbers to be compared.

function result

1 if the target number is greater, -1 if the source number is greater, and 0 if the two numbers are equal.