Name

step — generate a step function by comparing two values

Declaration

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

Function Version 1.00 Version 3.00
step (genType) Y Y

See Also

mix, smoothstep

Copyright

Copyright © 2011-2012 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/.