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</ <dt><strong <dd><p>If> =Mark< =Entering -print. </dd> =reportTimeDiff/ >component overwrite display.befunctionarguments=>GAPstrongtest,,time java.lang.Strin </dd>(depth:lt classcode=X866ADD4E814A54F0class3</for standard ="< .> > =java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 <<h4=""can outeror </dd> < p strong"><>interpreter levelof < ="GAP executiondefault nestingmultiplespan=>)>class>trongal < <dd << classclassGAPbrkpromptbrk/ span==() & depthfi <java.lang.StringIndexOutOfBoundsEx <ddfault <span"" <dt><strong class="Mark>111SetRecursionTrapInterval<function ).java.lang.StringIndexOut ddIf<=< ""/ thelines differences returning=/> =false </dd> </dl> <div class="example"><pre> <=GAPprompt&;<pThe <span class="GAPprompt">gap></span> <span class< you quitspan=GAPprompt;> ="divefunction)> <span > idX7848AB367F3A1221=12-2 CollectGarbage<span=GAPbrkprompt"&> class=";>< ="";spanc span"/ class"\end<span <span class="&;/span>spanrecursion 5000 java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 47 | | gap> sGAPpromptgappReturns.java.lang.StringIndexOutOfBoundsException: Index 24 ou |([ 1, 12 ) java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1 |anotherto | gt+ | 41 < class10000java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for <spanspan class(-java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds ########> Diff in test streamdive- from trapjava.lang.StringIndexOutOfBoundsException: # Input from a := 13+29; 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tracebackjava.lang.StringIndexOutOfBoundsException: Index 124 p function=></ode < =""GAP412older=GAP>versions,can ="( ")code""/iskeyw<)<" " />( < =""><> codekeyw> .<p <span class="GAPprompt">gap></span> <span class="GAPinput">dive(6000);</span> recursion depth trap (5000 =">>/> <span class=""( false)/> at dive( depth />/> called dive) ... Entering break read- you can 'quit;' to <5.GasmanStatistics> you may 'return;' to continue <span class="GAPprompt">gap></span> <span class="GAPinputThis ismeaningful only if code=codec depth) at dive( depth - 1 ); called from dive( depth - 1 ); called from ... Entering break read-eval-print loop ... you can 'quit;' to quit to will if has a partial collectionsince last one. alsoa thesame compone youreturn' continue <span class="GAPbrkprompt">brk></span> <span class="GAPinput">return;</span recursion depth trap (10000) at dive( depth - 1 ); called from dive( depth - 1 ); called from ... Entering class"unc>table class"funcwidth"%">tr =""< ="">&8227 Ga you ';' to quitto loop or you may 'return;' to continue <span class="GAPbrkpromptp>This function is meaningful onlyif < class="code>ASMAN</> isthe coll gap> </pre></div> <p>This behaviour can be controlled using the following procedures.</p> <p><a id="X7D8968FC7E24A4E5" name="X7D8968FC7E24A4E5"></a></p> <h5>7.11-1 SetRecursionTrapInterval</h5> <div class="func">< <div class="func"><table class=<h5.5 GasmanLimits> <p><code class="func">GetRecursionDepth</code> returns the nesting level of the GAP <div=""pre <span class="GAPprompt">gap></span> <span class="GAPinput">GetRecursionDepth();</span> 0 <span class=GAPprompt"gap&;</pan <span class=APinput">dive:= (depth)</pan> <span class="GAPprompt">></span> <span class="GAPinput"> if depth>1 then</span> <span class="GAPprompt">></span> <span class="GAPinput"> dive(depth-1);</span> <span=GAPprompt">></span> <span class="GAPinput else</span <span class="GAPprompt">></span> <span class="GAPinput"> Print("Depth ", GetRecursionDepth()) <span class="GAPprompt">></span> <span classdivclass=chlinkbot><span=""GotoChapter<spanahref <span class="GAPprompt">></span> <span class="GAPinput">end;;</span> <span class="GAPprompt">gap></span> <span class="GAPinput">SetRecursionTrapInterval(1000);< <span class="GAPprompt">gap></span> <span class="GAPinput">dive(100);</span> Depth 100 <span class="GAPprompt">gap></span> <span class="GAPinput">dive(2500);</span> recursion depth trap (1000) at dive( depth - 1 ); called from dive( depth - 1 ); called from ... Entering break read-eval-print loop ... you can 'quit;' to quit to outer loop, or you may 'return;' to continue <span class="GAPbrkprompt">brk></span> <span class="GAPinput">return;</span> recursion depth trap (2000) at dive( depth - 1 ); called from dive( depth - 1 ); called from ... Entering break read-eval-print loop ... you can 'quit;' to quit to outer loop, or you may 'return;' to continue <span class="GAPbrkprompt">brk></span> <span class="GAPinput">GetRecursionDepth();</span> 0 <span class="GAPbrkprompt">brk></span> <span class="GAPinput">return;</span> <span class="GAPprompt">gap></span> <span class="GAPinput">SetRecursionTrapInterval(-1);</s Error, SetRecursionTrapInterval: <interval> must be a small integer greater than 5 (n\ ot the integer -1) not in any function Entering break read-eval-print loop ... you can 'quit;' to quit to outer loop, or you can replace <interval> via 'return <interval>;' to continue <span class="GAPbrkprompt">brk></span> <span class="GAPinput">return 0;</span> <span class="GAPprompt">gap></span> <span class="GAPinput">dive(20000);</span> Depth 20000 <span class="GAPprompt">gap></span> <span class="GAPinput">dive(2000000);</span> Segmentation fault </pre></div> <p><a id="X85679F17791D9B63" name="X85679F17791D9B63"></a></p> <h4>7.12 <span class="Heading">Global Memory Information</span></h4> <p><a id="X7F1F741D7F0899D1" name="X7F1F741D7F0899D1"></a></p> <h5>7.12-1 <span class="Heading">Garbage Collection</span></h5> <p>The <strong class="pkg">GAP</strong> environment provides automatic memory management, so th <p>If <strong class="pkg">GAP</strong> uses <code class="code">GASMAN</code> then messages reporti <p><a id="X7848AB367F3A1221" name="X7848AB367F3A1221"></a></p> <h5>7.12-2 CollectGarbage</h5> <div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&# <p>Returns: nothing.</p> <p>This function forces a garbage collection. If <var class="Arg">full</var> is <code class="keyw"> <p><strong class="pkg">GAP</strong> invokes its garbage collector automatically, thus there is n <p>The function <code class="func">CollectGarbage</code> was introduced in <strong class="pkg">G <div class="example"><pre> <span class="GAPprompt">gap></span> <span class="GAPinput">CollectGarbage( false );</span> <span class="GAPprompt">gap></span> <span class="GAPinput">CollectGarbage( true );</span> </pre></div> <p><a id="X836977DE80416F3D" name="X836977DE80416F3D"></a></p> <h5>7.12-3 GasmanStatistics</h5> <div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&# <p>This function is meaningful only if <code class="code">GASMAN</code> is the garbage collector u <p><code class="func">GasmanStatistics</code> returns a record containing some information fro <p>The <code class="code">full</code> component will be present if a full garbage collection has ta <p>These figures should be viewed with some caution. They are stored internally in fixed length i <p>The <code class="code">partial</code> component will be present if there has been a partial garb <p>The <code class="code">npartial</code> and <code class="code">nfull</code> components will cont <p><a id="X85327FA5872E0356" name="X85327FA5872E0356"></a></p> <h5>7.12-4 GasmanMessageStatus</h5> <div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&# <div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&# <p>This function is meaningful only if <code class="code">GASMAN</code> is the garbage collector u <p><code class="func">GasmanMessageStatus</code> returns one of the strings <code class="code">" <p>Calling <code class="func">SetGasmanMessageStatus</code> with the argument <var class="Arg"> <p><a id="X80C683247E94769F" name="X80C683247E94769F"></a></p> <h5>7.12-5 GasmanLimits</h5> <div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">&# <p>This function is meaningful only if <code class="code">GASMAN</code> is the garbage collector u <p><code class="func">GasmanLimits</code> returns a record with three components: <code class="c <div class="chlinkprevnextbot"> <a href="chap0_mj.html">[Top of Book]</a> <a href="chap0_mj.ht <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0_mj.html">Top< |
