length

Description

Compute the length of a vector.

Signature

T length<T, int N>(vector<T, N> x)
    where T : __BuiltinFloatingPointType;

T length<T>(T x)
    where T : __BuiltinFloatingPointType;

Generic Parameters

T: __BuiltinFloatingPointType

N : int

Parameters

x : vector<T, N>

The input vector.

x : T

The input vector.

Return value

The length of x.

Availability and Requirements

Defined for the following targets:

hlsl

Available in all stages.

glsl

Available in all stages.

cpp

Available in all stages.

cuda

Available in all stages.

metal

Available in all stages.

wgsl

Available in all stages.

spirv

Available in all stages.

llvm

Available in all stages.