Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 8 - QuickDraw GX Mathematics / QuickDraw GX Mathematics Reference

Number-Conversion Macros / Rounding, Truncating, and Square Root Operations

FixedRound

You can use the FixedRound macro to round a Fixed number to its nearest integer.

#define FixedRound(a) ((short) ((Fixed)(a) + fixed1/2 >> 16))

a

The number to be rounded.

macro result

The closest integer to the Fixed number.