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

# 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 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 length (genType) ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ length (genDType) - - - - - - ✔ ✔ ✔ ✔ ✔ ✔