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<BLOCKQUOTE>
<H1><A NAME="NAME"><A NAME="1">NAME
</A></A></H1>
<P>
<B>normalize</B> - normalizes a vector
</P>
<H1><A NAME="SYNOPSIS"><A NAME="2">SYNOPSIS
</A></A></H1>
<PRE> float normalize(float v);
float normalize(float1 v);
float normalize(float2 v);
float normalize(float3 v);
float normalize(float4 v);
half normalize(half v);
half normalize(half1 v);
half normalize(half2 v);
half normalize(half3 v);
half normalize(half4 v);
fixed normalize(fixed v);
fixed normalize(fixed1 v);
fixed normalize(fixed2 v);
fixed normalize(fixed3 v);
fixed normalize(fixed4 v);
</PRE>
<H1><A NAME="PARAMETERS"><A NAME="3">PARAMETERS
</A></A></H1>
<DL>
<DT><STRONG>v
</STRONG></DT>
<DD>
<P>
Vector to normalize.
</P>
</DD></DL>
<H1><A NAME="DESCRIPTION"><A NAME="4">DESCRIPTION
</A></A></H1>
<P>
Returns the normalized version of a vector, meaning a vector in the same
direction as the original vector but with a Euclidean length of one.
</P>
<H1><A NAME="REFERENCE_IMPLEMENTATION"><A NAME="5">REFERENCE IMPLEMENTATION
</A></A></H1>
<P>
<B>normalize</B> for a <B>float3</B> vector could be implemented like this.
</P>
<PRE> float3 normalize(float3 v)
{
return rsqrt(dot(v,v))*v;
}
</PRE>
<H1><A NAME="PROFILE_SUPPORT"><A NAME="6">PROFILE SUPPORT
</A></A></H1>
<P>
<B>normalize</B> is supported in all profiles except <A HREF="fp20.html">fp20</A>.
</P>
<H1><A NAME="SEE_ALSO"><A NAME="7">SEE ALSO
</A></A></H1>
<P>
<A HREF="distance.html"><I>distance</I></A>, <A HREF="dot.html"><I>dot</I></A>, <A HREF="length.html"><I>length</I></A>, <A HREF="rsqrt.html"><I>rsqrt</I></A>, <A HREF="sqrt.html"><I>sqrt</I></A>
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