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fma

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Common mathematical functions
Functions
Basic operations
(C99)
fma
(C99)
(C99)
(C99)
(C99)
(C99)(C99)(C99)
Exponential functions
(C99)
(C99)
(C99)
(C99)
Power functions
(C99)
(C99)
Trigonometric and hyperbolic functions
(C99)
(C99)
(C99)
Error and gamma functions
(C99)
(C99)
(C99)
(C99)
Nearest integer floating point operations
(C99)(C99)(C99)
(C99)
(C99)(C99)(C99)
Floating point manipulation functions
(C99)(C99)
(C99)
(C99)
Classification
(C99)
(C99)
(C99)
Macro constants
 

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Defined in header <math.h>
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float       fmaf( float x, float y, float z );
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double      fma( double x, double y, double z );
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long double fmal( long double x, long double y, long double z );
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The fma functions compute (x*y) + z, rounded as one ternary operation, according to the rounding mode characterized by the value of FLT_ROUNDS.

Parameters

x, y, z - floating point values

Return value

(x*y) + z, rounded as one ternary operation

See also

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