CC78K4 Datasheet, PDF (275/523 Pages) NEC – CC78K4 Ver.2.30 or Later, C Compiler Language

CHAPTER 10 LIBRARY FUNCTIONS
7-43 fabsf
Mathematical Functions
FUNCTION
fabsf returns the absolute value of the floating-point number x.
HEADER
math.h
FUNCTION PROTOTYPE
float fabsf (float x);
Function
fabsf
Arguments
x ... Numeric value to find the
absolute value
Return Value
Normal ... Absolute value of x
When x is non-numeric ... NaN
When x = –0 ... +0
EXPLANATION
• Finds the absolute value of x.
• If x is non-numeric, NaN is returned.
• If x is –0, +0 is returned.
User’s Manual U15556EJ1V0UM
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