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step

Name

step — generate a step function by comparing two values

Declaration

genType step( genType edge,
genType x);
genType step( float edge,
genType x);
genDType step( genDType edge,
genDType x);
genDType step( double edge,
genDType x);

Parameters

edge

Specifies the location of the edge of the step function.

x

Specify the value to be used to generate the step function.

Description

step generates a step function by comparing x to edge.

For element i of the return value, 0.0 is returned if x[i] < edge[i], and 1.0 is returned otherwise.

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
step (genType)
step (genDType) - - - - - -

See Also

mix, smoothstep

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