Legacy Document

Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 8 - QuickDraw GX Mathematics / QuickDraw GX Mathematics Reference

Number-Conversion Macros / Format Conversions

FloatToFixed

You can use the FloatToFixed macro to convert a floating-point number to a Fixed number.

#define FloatToFixed(a) ((Fixed)((float) (a) * fixed1))

a

A floating-point number to be converted to a Fixed number.

macro result

The closest Fixed number to the floating-point number.

SPECIAL CONSIDERATIONS

QuickDraw GX also defines a shorthand version of this macro. The FloatToFixed macro can also be coded as fl(a).

SEE ALSO

The fl macro is described next.