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

FunctionVersion 1.10Version 1.20Version 1.30Version 1.40Version 1.50Version 3.30Version 4.00Version 4.10Version 4.20Version 4.30
step (genType)YYYYYYYYYY
step (genDType)------YYYY

See Also

mix, smoothstep

Copyright

Copyright © 2011 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/.