gap-openmath 11.2.0+ds-1 / usr / share / gap / pkg / openmath / cds / cas.ocd

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<CD>
<CDName> cas </CDName>
<CDURL> http://www.openmath.org/cd/cas.ocd </CDURL>
<CDReviewDate> 2001-10-03 </CDReviewDate>
<CDDate> 2000-10-03 </CDDate>
<CDVersion> 1 </CDVersion>
<CDRevision> 0 </CDRevision>
<CDStatus> experimental </CDStatus>
<CDUses>
</CDUses>
<Description> A CD for Computer Algebra Services </Description>

<CDComment>
Written by A. Solomon on 2000-10-03
</CDComment>

<CDDefinition>
<Name>quit</Name>
<Description>
Causes the compute engine process to terminate.
</Description>
<Example>
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="quit"/>
  </OMA>
</OMOBJ>
</Example>
</CDDefinition>

<CDDefinition>
<Name>assign </Name>
<Description>
Two arguments the first a string, the name of a variable in the 
computer algebra engine (CAE). Assigns the second argument to the 
variable denoted by the first arguement.
</Description>
<Example>
<!-- a := 1; -->
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="assign"/>
    <OMSTR>a</OMSTR>
    <OMI> 1 </OMI>
  </OMA>
</OMOBJ>
</Example>
</CDDefinition>

<CDDefinition>
<Name> retrieve </Name>
<Description>
The only argument is a string which is the name of a variable 
in the CAE.  Get the object assigned to that variable.
</Description>
<Example>
<!-- a; -->
<OMOBJ>
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="retrieve"/>
    <OMSTR>a</OMSTR>
  </OMA>
</OMOBJ>
</Example>
</CDDefinition>

<CDDefinition>
<Name>native_statement</Name>
<Description>
Send the string argument to the CAE as a statement in its native syntax.
</Description>
<Example>
<!-- a := 3; -->
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="native_statement"/>
    <OMSTR>a := 3;</OMSTR>
  </OMA>
</OMOBJ>

</Example>
</CDDefinition>


<CDDefinition>
<Name> native_output </Name>
<Description>
No arguments. Retrieve the output from the CAE resulting from the last
command.
</Description>
<Example>
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="native_output"/>
  </OMA>
</OMOBJ>
</Example>
</CDDefinition>


<CDDefinition>
<Name> native_error </Name>
<Description>
No arguments. Retrieve any error string from the CAE resulting from the last
statement.
</Description>
<Example>
<OMOBJ>
  <OMA>
    <OMS cd="cas" name="native_error"/>
  </OMA>
</OMOBJ>
</Example>
</CDDefinition>

<CDDefinition>
<Name> referent </Name>
<Description>
The first argument is either "some" or "all". 
the second argument is an OpenMath object which qualifies as a *reference*.
</Description>
<Example>
<OMOBJ>
	<OMA>
		<OMS cd="cas" name="referent"/>
		<OMSTR all/>
		<OMA>
			<OMS cd="integer1" name="factorial"/>
			<OMI 3/>
		</OMA>
	</OMA>
</OMOBJ>
</Example>
</CDDefinition>

</CD>

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