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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>libqalculate-0.9.6: Unit Class Reference</title>
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<h1>Unit Class Reference</h1><!-- doxytag: class=<Unit> --><!-- doxytag: inherits=<ExpressionItem> -->A unit for measurement.
<a href="#_details">More...</a>
<p>
<code>#include <Unit.h></code>
<p>
<p>Inheritance diagram for Unit:
<p><center><img src="classUnit.png" usemap="#Unit_map" border="0" alt=""></center>
<map name="Unit_map">
<area href="classExpressionItem.html" alt="ExpressionItem" shape="rect" coords="68,0,194,24">
<area href="classAliasUnit.html" alt="AliasUnit" shape="rect" coords="0,112,126,136">
<area href="classCompositeUnit.html" alt="CompositeUnit" shape="rect" coords="136,112,262,136">
<area href="classAliasUnit__Composite.html" alt="AliasUnit_Composite" shape="rect" coords="0,168,126,192">
</map>
<a href="classUnit-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a0"></a><!-- doxytag: member=<Unit::Unit> ref=<a0> args=<(string cat_, string name_, string plural_="", string singular_="", string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true)> -->
</td><td class="memItemRight" valign="bottom"><b>Unit</b> (string cat_, string name_, string plural_="", string singular_="", string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a2"></a><!-- doxytag: member=<Unit::Unit> ref=<a2> args=<(const Unit *unit)> -->
</td><td class="memItemRight" valign="bottom"><b>Unit</b> (const <a class="el" href="classUnit.html">Unit</a> *unit)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4"></a><!-- doxytag: member=<Unit::copy> ref=<a4> args=<() const > -->
virtual <a class="el" href="classExpressionItem.html">ExpressionItem</a> * </td><td class="memItemRight" valign="bottom"><b>copy</b> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a5"></a><!-- doxytag: member=<Unit::set> ref=<a5> args=<(const ExpressionItem *item)> -->
virtual void </td><td class="memItemRight" valign="bottom"><b>set</b> (const <a class="el" href="classExpressionItem.html">ExpressionItem</a> *item)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a6">isSIUnit</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a7">setAsSIUnit</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a8">setSystem</a> (string s_system)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a9">system</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a10">isCurrency</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a11">print</a> (bool plural_, bool short_, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a12"></a><!-- doxytag: member=<Unit::plural> ref=<a12> args=<(bool return_singular_if_no_plural=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const > -->
virtual const string & </td><td class="memItemRight" valign="bottom"><b>plural</b> (bool return_singular_if_no_plural=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a13"></a><!-- doxytag: member=<Unit::singular> ref=<a13> args=<(bool return_abbreviation_if_no_singular=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const > -->
virtual const string & </td><td class="memItemRight" valign="bottom"><b>singular</b> (bool return_abbreviation_if_no_singular=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a14"></a><!-- doxytag: member=<Unit::abbreviation> ref=<a14> args=<(bool return_singular_if_no_abbreviation=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const > -->
virtual const string & </td><td class="memItemRight" valign="bottom"><b>abbreviation</b> (bool return_singular_if_no_abbreviation=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a15"></a><!-- doxytag: member=<Unit::isUsedByOtherUnits> ref=<a15> args=<() const > -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>isUsedByOtherUnits</b> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a16"></a><!-- doxytag: member=<Unit::baseUnit> ref=<a16> args=<() const > -->
virtual <a class="el" href="classUnit.html">Unit</a> * </td><td class="memItemRight" valign="bottom"><b>baseUnit</b> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a17"></a><!-- doxytag: member=<Unit::convertToBaseUnit> ref=<a17> args=<(MathStructure &mvalue, MathStructure &mexp) const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> & </td><td class="memItemRight" valign="bottom"><b>convertToBaseUnit</b> (<a class="el" href="classMathStructure.html">MathStructure</a> &mvalue, <a class="el" href="classMathStructure.html">MathStructure</a> &mexp) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a18"></a><!-- doxytag: member=<Unit::convertFromBaseUnit> ref=<a18> args=<(MathStructure &mvalue, MathStructure &mexp) const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> & </td><td class="memItemRight" valign="bottom"><b>convertFromBaseUnit</b> (<a class="el" href="classMathStructure.html">MathStructure</a> &mvalue, <a class="el" href="classMathStructure.html">MathStructure</a> &mexp) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a19"></a><!-- doxytag: member=<Unit::convertToBaseUnit> ref=<a19> args=<(MathStructure &mvalue) const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> & </td><td class="memItemRight" valign="bottom"><b>convertToBaseUnit</b> (<a class="el" href="classMathStructure.html">MathStructure</a> &mvalue) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a20"></a><!-- doxytag: member=<Unit::convertFromBaseUnit> ref=<a20> args=<(MathStructure &mvalue) const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> & </td><td class="memItemRight" valign="bottom"><b>convertFromBaseUnit</b> (<a class="el" href="classMathStructure.html">MathStructure</a> &mvalue) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a21"></a><!-- doxytag: member=<Unit::convertToBaseUnit> ref=<a21> args=<() const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> </td><td class="memItemRight" valign="bottom"><b>convertToBaseUnit</b> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a22"></a><!-- doxytag: member=<Unit::convertFromBaseUnit> ref=<a22> args=<() const > -->
virtual <a class="el" href="classMathStructure.html">MathStructure</a> </td><td class="memItemRight" valign="bottom"><b>convertFromBaseUnit</b> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a23"></a><!-- doxytag: member=<Unit::baseExponent> ref=<a23> args=<(int exp=1) const > -->
virtual int </td><td class="memItemRight" valign="bottom"><b>baseExponent</b> (int exp=1) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a24">type</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a25">subtype</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a26">isChildOf</a> (<a class="el" href="classUnit.html">Unit</a> *u) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a27">isParentOf</a> (<a class="el" href="classUnit.html">Unit</a> *u) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a28"></a><!-- doxytag: member=<Unit::hasComplexRelationTo> ref=<a28> args=<(Unit *u) const > -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>hasComplexRelationTo</b> (<a class="el" href="classUnit.html">Unit</a> *u) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a29">convert</a> (<a class="el" href="classUnit.html">Unit</a> *u, <a class="el" href="classMathStructure.html">MathStructure</a> &mvalue, <a class="el" href="classMathStructure.html">MathStructure</a> &exp) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classUnit.html#a30">convert</a> (<a class="el" href="classUnit.html">Unit</a> *u, <a class="el" href="classMathStructure.html">MathStructure</a> &mvalue) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a31"></a><!-- doxytag: member=<Unit::convert> ref=<a31> args=<(Unit *u, bool *converted=NULL) const > -->
<a class="el" href="classMathStructure.html">MathStructure</a> </td><td class="memItemRight" valign="bottom"><b>convert</b> (<a class="el" href="classUnit.html">Unit</a> *u, bool *converted=NULL) const </td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="p0"></a><!-- doxytag: member=<Unit::ssystem> ref=<p0> args=<> -->
string </td><td class="memItemRight" valign="bottom"><b>ssystem</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="p1"></a><!-- doxytag: member=<Unit::b_si> ref=<p1> args=<> -->
bool </td><td class="memItemRight" valign="bottom"><b>b_si</b></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A unit for measurement.
<p>
The Unit class both represents a base unit and is the base class for other unit types. Base units are units defined as basis for other units. Meters and seconds are typical base units.<p>
For base units, a name is all that is needed. Base units do however normally have three different names defined for use in expressions - abbreviation (ex. "m"), singular ("meter") and plural ("meters").
<p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a30"></a><!-- doxytag: member=<Unit::convert> ref=<a30> args=<(Unit *u, MathStructure &mvalue) const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">bool Unit::convert </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classUnit.html">Unit</a> * </td>
<td class="mdname" nowrap> <em>u</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="classMathStructure.html">MathStructure</a> & </td>
<td class="mdname" nowrap> <em>mvalue</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Converts a value from specified unit and exponent to this unit. value * unit = new value * this This function cannot convert to or from <a class="el" href="classCompositeUnit.html">CompositeUnit</a>.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>u</em> </td><td>Unit to convert from. </td></tr>
<tr><td valign="top"><tt>[in,out]</tt> </td><td valign="top"><em>mvalue</em> </td><td>Quantity value. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true if the value was successfully converted.</dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="a29"></a><!-- doxytag: member=<Unit::convert> ref=<a29> args=<(Unit *u, MathStructure &mvalue, MathStructure &exp) const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">bool Unit::convert </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classUnit.html">Unit</a> * </td>
<td class="mdname" nowrap> <em>u</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="classMathStructure.html">MathStructure</a> & </td>
<td class="mdname" nowrap> <em>mvalue</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="classMathStructure.html">MathStructure</a> & </td>
<td class="mdname" nowrap> <em>exp</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Converts a value from specified unit and exponent to this unit. value * (unit^exponent) = new value * (this^new exponent) This function cannot convert to or from <a class="el" href="classCompositeUnit.html">CompositeUnit</a>.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>u</em> </td><td>Unit to convert from. </td></tr>
<tr><td valign="top"><tt>[in,out]</tt> </td><td valign="top"><em>mvalue</em> </td><td>Quantity value. </td></tr>
<tr><td valign="top"><tt>[in,out]</tt> </td><td valign="top"><em>exp</em> </td><td>Exponent. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true if the value was successfully converted.</dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="a26"></a><!-- doxytag: member=<Unit::isChildOf> ref=<a26> args=<(Unit *u) const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">virtual bool Unit::isChildOf </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classUnit.html">Unit</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>u</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
If specified unit is a base unit for this unit, directly or with other units in between. Equivalent to u->isParentOf(this).
<p>
Reimplemented in <a class="el" href="classAliasUnit.html#a25">AliasUnit</a>. </td>
</tr>
</table>
<a class="anchor" name="a10"></a><!-- doxytag: member=<Unit::isCurrency> ref=<a10> args=<() const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">bool Unit::isCurrency </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns if the unit is a currency (Euro is base unit).<p>
<dl compact><dt><b>Returns:</b></dt><dd>true if the unit is a currency.</dd></dl>
</td>
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<a class="anchor" name="a27"></a><!-- doxytag: member=<Unit::isParentOf> ref=<a27> args=<(Unit *u) const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">virtual bool Unit::isParentOf </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classUnit.html">Unit</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>u</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
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</td>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
If this unit is a base unit for specified unit, directly or with other units in between. Equivalent to u->isChildOf(this).
<p>
Reimplemented in <a class="el" href="classAliasUnit.html#a26">AliasUnit</a>. </td>
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<a class="anchor" name="a6"></a><!-- doxytag: member=<Unit::isSIUnit> ref=<a6> args=<() const > --><p>
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<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">bool Unit::isSIUnit </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
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</td>
</tr>
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<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns if the unit is part of the SI standard.<p>
<dl compact><dt><b>Returns:</b></dt><dd>true if the unit is part of the SI standard.</dd></dl>
</td>
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<a class="anchor" name="a11"></a><!-- doxytag: member=<Unit::print> ref=<a11> args=<(bool plural_, bool short_, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const > --><p>
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">virtual string Unit::print </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">bool </td>
<td class="mdname" nowrap> <em>plural_</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>short_</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>use_unicode</em> = <code>false</code>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>bool(*)(const char *, void *) </td>
<td class="mdname" nowrap> <em>can_display_unicode_string_function</em> = <code>NULL</code>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>void * </td>
<td class="mdname" nowrap> <em>can_display_unicode_string_arg</em> = <code>NULL</code></td>
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<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [virtual]</code></td>
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</td>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
Returns a display string representing the unit in an expression.<p>
Equivalent to <a class="el" href="classExpressionItem.html#a10">preferredName()</a> for Unit and <a class="el" href="classAliasUnit.html">AliasUnit</a>, but closer to MathStructure::print() for <a class="el" href="classCompositeUnit.html">CompositeUnit</a> (prints out base expression).
<p>
Reimplemented in <a class="el" href="classAliasUnit__Composite.html#a5">AliasUnit_Composite</a>, and <a class="el" href="classCompositeUnit.html#a12">CompositeUnit</a>. </td>
</tr>
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<a class="anchor" name="a7"></a><!-- doxytag: member=<Unit::setAsSIUnit> ref=<a7> args=<()> --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void Unit::setAsSIUnit </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
State that the unit is part of the SI standard. Sets system to "SI". </td>
</tr>
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<a class="anchor" name="a8"></a><!-- doxytag: member=<Unit::setSystem> ref=<a8> args=<(string s_system)> --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void Unit::setSystem </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">string </td>
<td class="mdname1" valign="top" nowrap> <em>s_system</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Sets which system/standard ("SI", "SGC", etc.) the unit is part of. Setting system to "SI" (case-insensitive), is equivalent to <a class="el" href="classUnit.html#a7">setAsSIUnit()</a>. </td>
</tr>
</table>
<a class="anchor" name="a25"></a><!-- doxytag: member=<Unit::subtype> ref=<a25> args=<() const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">virtual int Unit::subtype </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns the subtype of the unit, corresponding to which subsubclass the object belongs to.<p>
<dl compact><dt><b>Returns:</b></dt><dd><a class="el" href="Unit_8h.html#a3">UnitSubtype</a>.</dd></dl>
<p>
Implements <a class="el" href="classExpressionItem.html#a52">ExpressionItem</a>.
<p>
Reimplemented in <a class="el" href="classAliasUnit.html#a24">AliasUnit</a>, and <a class="el" href="classCompositeUnit.html#a13">CompositeUnit</a>. </td>
</tr>
</table>
<a class="anchor" name="a9"></a><!-- doxytag: member=<Unit::system> ref=<a9> args=<() const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">const string& Unit::system </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns the system/standard that the unit is part of.<p>
<dl compact><dt><b>Returns:</b></dt><dd>System string.</dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="a24"></a><!-- doxytag: member=<Unit::type> ref=<a24> args=<() const > --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">virtual int Unit::type </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns the type of the expression item, corresponding to which subclass the object belongs to.<p>
<dl compact><dt><b>Returns:</b></dt><dd><a class="el" href="includes_8h.html#a254">ExpressionItemType</a>.</dd></dl>
<p>
Implements <a class="el" href="classExpressionItem.html#a51">ExpressionItem</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li>libqalculate/<a class="el" href="Unit_8h.html">Unit.h</a></ul>
<hr size="1"><address style="align: right;"><small>
Generated on 17 Jun 2007 for libqalculate-0.9.6 by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.3</small></address>
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