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length - calculate the length of a vector

Declaration

floatlength(genTypex);doublelength(genDTypex);

Description

length returns the length of the vector, i.e. $\sqrt { { x[0] }^2 + { x[1] }^2 + \dots }$.

Name

       length - calculate the length of a vector

Parameters

x
           Specifies a vector of which to calculate the length.

See Also

distance(), normalize()

Version Support

       ┌────────────┬───────────────────────────────────────────────────────────────────────────────────┐
       │            │        OpenGLShadingLanguageVersion                                            │
       ├────────────┼──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┬──────┤
       │ Function1.101.201.301.401.503.304.004.104.204.304.404.50 │
       │ Name       │      │      │      │      │      │      │      │      │      │      │      │      │
       ├────────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
       │ length     │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │
       │ (genType)  │      │      │      │      │      │      │      │      │      │      │      │      │
       ├────────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤
       │ length     │  -   │  -   │  -   │  -   │  -   │  -   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │  ✔   │
       │ (genDType) │      │      │      │      │      │      │      │      │      │      │      │      │
       └────────────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┴──────┘

See Also