round

From OpenGL Reference
Jump to navigation Jump to search

Find the nearest integer to the parameter.

Declaration[edit]

genType round( genType x );
genDType round( genDType x );


Parameters[edit]

x - Specify the value to evaluate.


Description[edit]

 round returns a value equal to the nearest integer to x . The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest. This includes the possibility that round ( x ) returns the same value as roundEven ( x ) for all values of x .


Version Support[edit]

round (genType) 1.3+
round (genDType) 4.0+

See Also[edit]

 floor , roundEven 


Copyright[edit]

Copyright© 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.