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nearbyint

nearbyint, nearbyintf, nearbyintl

Defined in header <math.h> 
float       nearbyintf( float arg );
 (1) (since C99) 
double      nearbyint( double arg );
 (2) (since C99) 
long double nearbyintl( long double arg );
 (3) (since C99)
Defined in header <tgmath.h> 
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