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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><TITLE>vigra - vigra: Functions for FixedPoint16</TITLE>
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<td width="100%">Functions for FixedPoint16
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<b>#include</b> <<a href="fixedpoint_8hxx-source.html">vigra/fixedpoint.hxx</a>><br>
<a href="#_details">More...</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g9625d738229cc8c33ea11c5db6e55128"></a><!-- doxytag: member="FixedPoint16Operations::abs" ref="g9625d738229cc8c33ea11c5db6e55128" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits, <br>
OverflowHandling > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g9625d738229cc8c33ea11c5db6e55128">abs</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">absolute value. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gce44ffa60038a9326df3d2936d8fbddd"></a><!-- doxytag: member="FixedPoint16Operations::add" ref="gce44ffa60038a9326df3d2936d8fbddd" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits3, <br>
OverflowHandling > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gce44ffa60038a9326df3d2936d8fbddd">add</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">addition with enforced result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g8ddd96e415b0bb8996d474ea6cb5516e"></a><!-- doxytag: member="FixedPoint16Operations::atan2" ref="g8ddd96e415b0bb8996d474ea6cb5516e" args="(FixedPoint16< IntBits, OverflowHandling > y, FixedPoint16< IntBits, OverflowHandling > x)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< 2, OverflowHandling > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g8ddd96e415b0bb8996d474ea6cb5516e">atan2</a> (FixedPoint16< IntBits, OverflowHandling > y, FixedPoint16< IntBits, OverflowHandling > x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Arctangent. Accuracy better than 1/3 degree (9 significant bits). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g08330f16f513b7059b0ca55481b848c1"></a><!-- doxytag: member="FixedPoint16Operations::ceil" ref="g08330f16f513b7059b0ca55481b848c1" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Int32 </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g08330f16f513b7059b0ca55481b848c1">ceil</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">rounding up. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gcec966bdc5bb68ac7ec4360070334a9b"></a><!-- doxytag: member="FixedPoint16Operations::div" ref="gcec966bdc5bb68ac7ec4360070334a9b" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits3, <br>
OverflowHandling > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gcec966bdc5bb68ac7ec4360070334a9b">div</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">division with enforced result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g5daa3be6de84ad7cb71535abe78954d8"></a><!-- doxytag: member="FixedPoint16Operations::dual_frac" ref="g5daa3be6de84ad7cb71535abe78954d8" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits, <br>
OverflowHandling > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g5daa3be6de84ad7cb71535abe78954d8">dual_frac</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">dual fractional part. (1 - frac(v)) <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2">template<class TARGET, int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">TARGET </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g390ae8b22945c16da073f0cd90843e5d">fixed_point_cast</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ga0f61839421156defe4c86621b27f9a4"></a><!-- doxytag: member="FixedPoint16Operations::floor" ref="ga0f61839421156defe4c86621b27f9a4" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Int32 </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#ga0f61839421156defe4c86621b27f9a4">floor</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">rounding down. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gc9640820dce7e4d10744337a829735c3"></a><!-- doxytag: member="FixedPoint16Operations::frac" ref="gc9640820dce7e4d10744337a829735c3" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits, <br>
OverflowHandling > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gc9640820dce7e4d10744337a829735c3">frac</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">fractional part. (difference between v and its floor) <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g6036adef80cd8fa08f4ef6621e172dfa"></a><!-- doxytag: member="FixedPoint16Operations::hypot" ref="g6036adef80cd8fa08f4ef6621e172dfa" args="(FixedPoint16< IntBits, OverflowHandling > v1, FixedPoint16< IntBits, OverflowHandling > v2)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits, <br>
OverflowHandling > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g6036adef80cd8fa08f4ef6621e172dfa">hypot</a> (FixedPoint16< IntBits, OverflowHandling > v1, FixedPoint16< IntBits, OverflowHandling > v2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Length of hypothenuse. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ge589a0f3f2b215f3c062787d82c910e7"></a><!-- doxytag: member="FixedPoint16Operations::mul" ref="ge589a0f3f2b215f3c062787d82c910e7" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits3, <br>
OverflowHandling > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#ge589a0f3f2b215f3c062787d82c910e7">mul</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">multiplication with enforced result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g5fca0396288cfa95ef823a31921b6f2d"></a><!-- doxytag: member="FixedPoint16Operations::norm" ref="g5fca0396288cfa95ef823a31921b6f2d" args="(FixedPoint16< IntBits, OverflowHandling > const &v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">NormTraits< FixedPoint16<br>
< IntBits, OverflowHandling ><br>
>::NormType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g5fca0396288cfa95ef823a31921b6f2d">norm</a> (FixedPoint16< IntBits, OverflowHandling > const &v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">norm (same as abs). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g4f92505d5ce1ae1ea6b2d0bc22aaa699"></a><!-- doxytag: member="FixedPoint16Operations::operator!=" ref="g4f92505d5ce1ae1ea6b2d0bc22aaa699" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g4f92505d5ce1ae1ea6b2d0bc22aaa699">operator!=</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">not equal <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g7428bca2c64b419d4ef5dc379bacb184"></a><!-- doxytag: member="FixedPoint16Operations::operator*" ref="g7428bca2c64b419d4ef5dc379bacb184" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">PromoteTraits< FixedPoint16<br>
< IntBits1, OverflowHandling ><br>
, FixedPoint16< IntBits2, <br>
OverflowHandling > >::Promote </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g7428bca2c64b419d4ef5dc379bacb184">operator*</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">multiplication with automatic determination of the appropriate result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g8fc483c05f5c1d40f83fafdcd9b16bac"></a><!-- doxytag: member="FixedPoint16Operations::operator+" ref="g8fc483c05f5c1d40f83fafdcd9b16bac" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">PromoteTraits< FixedPoint16<br>
< IntBits1, OverflowHandling ><br>
, FixedPoint16< IntBits2, <br>
OverflowHandling > >::Promote </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g8fc483c05f5c1d40f83fafdcd9b16bac">operator+</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">addition with automatic determination of the appropriate result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gcf500e22a4b5a8f0175784ab6af7ac69"></a><!-- doxytag: member="FixedPoint16Operations::operator-" ref="gcf500e22a4b5a8f0175784ab6af7ac69" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">PromoteTraits< FixedPoint16<br>
< IntBits1, OverflowHandling ><br>
, FixedPoint16< IntBits2, <br>
OverflowHandling > >::Promote </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gcf500e22a4b5a8f0175784ab6af7ac69">operator-</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">subtraction with automatic determination of the appropriate result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gd07deef196a1c4f2b95290b1c2dce223"></a><!-- doxytag: member="FixedPoint16Operations::operator/" ref="gd07deef196a1c4f2b95290b1c2dce223" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">PromoteTraits< FixedPoint16<br>
< IntBits1, OverflowHandling ><br>
, FixedPoint16< IntBits2, <br>
OverflowHandling > >::Promote </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gd07deef196a1c4f2b95290b1c2dce223">operator/</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">division with automatic determination of the appropriate result type. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g5c29971e27abdf42e1d5b9005840c18a"></a><!-- doxytag: member="FixedPoint16Operations::operator<" ref="g5c29971e27abdf42e1d5b9005840c18a" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g5c29971e27abdf42e1d5b9005840c18a">operator<</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">less than <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g03c24bf8d1b5d050acaa6b4e35f07f86"></a><!-- doxytag: member="FixedPoint16Operations::operator<=" ref="g03c24bf8d1b5d050acaa6b4e35f07f86" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g03c24bf8d1b5d050acaa6b4e35f07f86">operator<=</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">less or equal <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gb6f2bcdf71d26bcf6e94481a2ca227bd"></a><!-- doxytag: member="FixedPoint16Operations::operator==" ref="gb6f2bcdf71d26bcf6e94481a2ca227bd" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#gb6f2bcdf71d26bcf6e94481a2ca227bd">operator==</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">equal <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g015fd391e4701b58d08d834c49e259aa"></a><!-- doxytag: member="FixedPoint16Operations::operator>" ref="g015fd391e4701b58d08d834c49e259aa" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g015fd391e4701b58d08d834c49e259aa">operator></a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">greater <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ge8c6a698565d530d51d8567e4b954fa1"></a><!-- doxytag: member="FixedPoint16Operations::operator>=" ref="ge8c6a698565d530d51d8567e4b954fa1" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#ge8c6a698565d530d51d8567e4b954fa1">operator>=</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">greater or equal <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g3f0399e380b060f33484e213e8a56a38"></a><!-- doxytag: member="FixedPoint16Operations::round" ref="g3f0399e380b060f33484e213e8a56a38" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Int32 </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g3f0399e380b060f33484e213e8a56a38">round</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">rounding to the nearest integer. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g7aa7ed80b9065a7fc9ca11e7f1cea7cd"></a><!-- doxytag: member="FixedPoint16Operations::roundi" ref="g7aa7ed80b9065a7fc9ca11e7f1cea7cd" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Int32 </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g7aa7ed80b9065a7fc9ca11e7f1cea7cd">roundi</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">rounding to the nearest integer. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g38736ce83bcbd80909e0cf70f8b8f20d"></a><!-- doxytag: member="FixedPoint16Operations::sqrt" ref="g38736ce83bcbd80909e0cf70f8b8f20d" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">SquareRootTraits< FixedPoint16<br>
< IntBits, OverflowHandling ><br>
>::SquareRootResult </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g38736ce83bcbd80909e0cf70f8b8f20d">sqrt</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">square root. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g6e5805c76f0bab861d0672711ecb8642"></a><!-- doxytag: member="FixedPoint16Operations::squaredNorm" ref="g6e5805c76f0bab861d0672711ecb8642" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
template<int IntBits, FPOverflowHandling OverflowHandling> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">NormTraits< FixedPoint16<br>
< IntBits, OverflowHandling ><br>
>::SquaredNormType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g6e5805c76f0bab861d0672711ecb8642">squaredNorm</a> (FixedPoint16< IntBits, OverflowHandling > v)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">squared norm (same as v*v). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g70fb0c13c4bae28a1e93cba03fcfd7b1"></a><!-- doxytag: member="FixedPoint16Operations::sub" ref="g70fb0c13c4bae28a1e93cba03fcfd7b1" args="(FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)" -->
template<int IntBits1, FPOverflowHandling OverflowHandling, int IntBits2, int IntBits3> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">FixedPoint16< IntBits3, <br>
OverflowHandling > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__FixedPoint16Operations.html#g70fb0c13c4bae28a1e93cba03fcfd7b1">sub</a> (FixedPoint16< IntBits1, OverflowHandling > l, FixedPoint16< IntBits2, OverflowHandling > r, FixedPoint16< IntBits3, OverflowHandling > &result)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">subtraction with enforced result type. <br></td></tr>
</table>
<hr><a name="_details"></a><h2 class="details_section">Detailed Description</h2>
<b>#include</b> <<a href="fixedpoint_8hxx-source.html">vigra/fixedpoint.hxx</a>><br>
<p>
These functions fulfill the requirements of an <a class="el" href="AlgebraicConcepts.html#AlgebraicRing">AlgebraicRing</a>.<p>
Namespace: <a class="el" href="namespacevigra.html">vigra</a> <hr><h2>Function Documentation</h2>
<a class="anchor" name="g390ae8b22945c16da073f0cd90843e5d"></a><!-- doxytag: member="vigra::fixed_point_cast" ref="g390ae8b22945c16da073f0cd90843e5d" args="(FixedPoint16< IntBits, OverflowHandling > v)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td colspan="4" class="memtemplate">template<class TARGET, int IntBits, FPOverflowHandling OverflowHandling> </td></tr><tr>
<td class="memname">TARGET fixed_point_cast </td>
<td>(</td>
<td class="paramtype">FixedPoint16< IntBits, OverflowHandling > </td>
<td class="paramname"> <em>v</em> </td>
<td> ) </td>
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<div class="memdoc">
<p>
Convert a <a class="el" href="classvigra_1_1FixedPoint16.html">FixedPoint16</a> to a built-in type. If the target is integral, the value is rounded.<br>
Usage: <div class="fragment"><pre class="fragment"> FixedPoint16<16,15> fp(...);
<span class="keywordtype">double</span> d = <a class="code" href="group__FixedPointOperations.html#g5de1f6f7efc8dd4832f3c04e6ca6f0f8">fixed_point_cast</a><<span class="keywordtype">double</span>>(fp);
</pre></div>
</div>
</div><p>
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<i>© <A HREF="http://hci.iwr.uni-heidelberg.de/people/ukoethe/">Ullrich Köthe</A> (<A
HREF="mailto:ullrich.koethe@iwr.uni-heidelberg.de">ullrich.koethe@iwr.uni-heidelberg.de</A>)</i> <br>
<i><A HREF="http://hci.iwr.uni-heidelberg.de/">
Heidelberg Collaboratory for Image Processing</a>,
University of Heidelberg, Germany</i>
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<I>html generated using <A HREF="http://www.doxygen.org">doxygen</A> and <A HREF="http://www.python.org">Python</A></I>
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vigra 1.7.0 (20 Apr 2010)
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