'\" t .\" Title: step .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: 01/03/2018 .\" Manual: [FIXME: manual] .\" Source: [FIXME: source] .\" Language: English .\" .TH "STEP" "3G" "01/03/2018" "[FIXME: source]" "[FIXME: manual]" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" step \- generate a step function by comparing two values .SH "DECLARATION" .HP \w'genType\ step('u .BI "genType step(genType\ " "edge" ", genType\ " "x" ");" .HP \w'genType\ step('u .BI "genType step(float\ " "edge" ", genType\ " "x" ");" .HP \w'genDType\ step('u .BI "genDType step(genDType\ " "edge" ", genDType\ " "x" ");" .HP \w'genDType\ step('u .BI "genDType step(double\ " "edge" ", genDType\ " "x" ");" .SH "PARAMETERS" .PP \fIedge\fR .RS 4 Specifies the location of the edge of the step function\&. .RE .PP \fIx\fR .RS 4 Specify the value to be used to generate the step function\&. .RE .SH "DESCRIPTION" .PP \fBstep\fR generates a step function by comparing \fIx\fR to \fIedge\fR\&. .PP For element \fIi\fR of the return value, 0\&.0 is returned if \fIx\fR[\fIi\fR] < \fIedge\fR[\fIi\fR], and 1\&.0 is returned otherwise\&. .SH "VERSION SUPPORT" .TS allbox tab(:); lB cB s s s s s s s s s s s lB cB cB cB cB cB cB cB cB cB cB cB cB. T{ T}:T{ \fBOpenGL Shading Language Version\fR T} T{ \fBFunction Name\fR T}:T{ \fB1\&.10\fR T}:T{ \fB1\&.20\fR T}:T{ \fB1\&.30\fR T}:T{ \fB1\&.40\fR T}:T{ \fB1\&.50\fR T}:T{ \fB3\&.30\fR T}:T{ \fB4\&.00\fR T}:T{ \fB4\&.10\fR T}:T{ \fB4\&.20\fR T}:T{ \fB4\&.30\fR T}:T{ \fB4\&.40\fR T}:T{ \fB4\&.50\fR T} .T& l c c c c c c c c c c c c l c c c c c c c c c c c c. T{ step (genType) T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T} T{ step (genDType) T}:T{ \- T}:T{ \- T}:T{ \- T}:T{ \- T}:T{ \- T}:T{ \- T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T}:T{ ✔ T} .TE .sp 1 .SH "SEE ALSO" .PP \fBmix\fR(), \fBsmoothstep\fR() .SH "COPYRIGHT" .PP Copyright \(co 2011\-2014 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\&. \m[blue]\fBhttp://opencontent\&.org/openpub/\fR\m[]\&. .SH "COPYRIGHT" .br Copyright \(co 2011-2014 Khronos Group .br