

Routines
This section describes the Mathematical and Logical Utilities supported directly by the Macintosh Operating System. Note that none of the routines in this section moves memory; therefore, all of the described routines in this section can be called at interrupt time.
Subtopics
 Testing and Setting Bits
 Performing Logical Operations
 Getting and Setting Memory Values
 Compressing and Decompressing Data
 Obtaining a Pseudorandom Number
 Converting Between Angle and Slope Values
 Multiplying and Dividing FixedPoint Numbers
 Performing Calculations on FixedPoint Numbers
 Converting Among 32Bit Numeric Types
 Converting Between FixedPoint and FloatingPoint Values
 Converting Between FixedPoint and Integral Values
 Multiplying 32bit values
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