Provided by: opengl-4-man-doc_1.0~svn33624-1_all
NAME
length - calculate the length of a vector
DECLARATION
float length(genType x); double length(genDType x);
PARAMETERS
x Specifies a vector of which to calculate the length.
DESCRIPTION
length returns the length of the vector, i.e. $\sqrt { { x[0] }^2 + { x[1] }^2 + \dots }$.
VERSION SUPPORT
┌───────────┬───────────────────────────────────────────────────────────────────────────────────┐ │ │ OpenGL Shading Language Version │ ├───────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤ │Function │ 1.10 │ 1.20 │ 1.30 │ 1.40 │ 1.50 │ 3.30 │ 4.00 │ 4.10 │ 4.20 │ 4.30 │ 4.40 │ 4.50 │ │Name │ │ │ │ │ │ │ │ │ │ │ │ │ ├───────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤ │length │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ │(genType) │ │ │ │ │ │ │ │ │ │ │ │ │ ├───────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤ │length │ - │ - │ - │ - │ - │ - │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ │(genDType) │ │ │ │ │ │ │ │ │ │ │ │ │ └───────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘
SEE ALSO
distance(), normalize()
COPYRIGHT
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
Copyright © 2011-2014 Khronos Group [FIXME: source] 01/03/2018 LENGTH(3G)