TRUNC(3G) [FIXME: manual] TRUNC(3G)

trunc - find the truncated value of the parameter

genType trunc(genType x);

genDType trunc(genDType x);

x

Specify the value to evaluate.

trunc returns a value equal to the nearest integer to x whose absolute value is not larger than the absolute value of x.

OpenGL Shading Language Version
Function Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
trunc (genType) - - ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
trunc (genDType) - - - - - - ✔ ✔ ✔ ✔ ✔ ✔

floor(), round()

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/.

Copyright © 2011-2014 Khronos Group

05/21/2022 [FIXME: source]