1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<HTML> 3<HEAD> 4<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 5<META name="GENERATOR" content="Microsoft FrontPage 5.0"> 6<META http-equiv="Content-Style-Type" content="text/css"> 7<LINK rel="stylesheet" type="text/css" href="../../CSS/revolution.css"> 8<TITLE>VECScale</TITLE> 9</HEAD> 10<BODY> 11<H1>VECScale</H1> 12 13<H2>Syntax</H2> 14<dl><dd><pre class="construction"> 15#include <revolution/mtx.h> 16 17void C_VECScale ( const Vec* src, Vec* dst, f32 scale ); 18void PSVECScale ( const Vec* src, Vec* dst, f32 scale ); 19 20#define VECScale C_VECScale // for debug build 21#define VECScale PSVECScale // for nondebug build 22</pre></dd></dl> 23 24<H2>Arguments</H2> 25<TABLE class="arguments" border="1" > 26 <TBODY> 27 <TR> 28<TH>src</TH> 29<TD>Pointer to source <A href="../structures/Vec_VecPtr.html"><CODE>Vec</CODE></A> for scaling</TD> 30 </TR> 31 <TR> 32<TH>dst</TH> 33<TD>Pointer to the resultant scaled <A href="../structures/Vec_VecPtr.html"><CODE>Vec</CODE></A>. It is acceptable for <SPAN class="argument">dst</SPAN> to be equal to <SPAN class="argument">src</SPAN>.</TD> 34 </TR> 35 <TR> 36<TH><STRONG><EM><CODE>scale</CODE></EM></STRONG></TH> 37<TD>Floating point scale factor.</TD> 38 </TR> 39 </TBODY> 40</TABLE> 41 42<H2>Return Values</H2> 43<P>None.</P> 44 45<H2>Description</H2> 46<P>Multiplies a vector by a scalar.</P> 47<P>During a debug build, <CODE>VECScale</CODE> is parsed as <CODE>C_VECScale</CODE>, which is a normal C language version. During a non-debug build for a Broadway processor, the paired-singles equivalent of this function, <CODE>PSVECScale</CODE>, will be automatically substituted. You can also call <CODE>C_VECScale</CODE> and <CODE>PSVECScale</CODE> explicitly.</P> 48 49<H2>See Also</H2> 50<P class="reference"> 51<A href="../structures/Vec_VecPtr.html">Vec, VecPtr</A> 52</P> 53 54<H2>Revision History</H2> 55<P> 562006/03/01 Initial version.<br> 57</P> 58 59<hr><p>CONFIDENTIAL</p></body> 60</HTML>