(39a13b3e) · Commits · 郑智淋 / lammps

doc/variable.html

+24 −5

Original line number	Diff line number	Diff line
		@@ -17,9 +17,10 @@
		</PRE>
		<UL><LI>name = name of variable to define

		<LI>style = <I>index</I> or <I>loop</I> or <I>world</I> or <I>universe</I> or <I>uloop</I> or <I>equal</I> or <I>atom</I>
		<LI>style = <I>delete</I> or <I>index</I> or <I>loop</I> or <I>world</I> or <I>universe</I> or <I>uloop</I> or <I>equal</I> or <I>atom</I>

		<PRE> <I>index</I> args = one or more strings
		<PRE> <I>delete</I> = no args
		<I>index</I> args = one or more strings
		<I>loop</I> args = N = integer size of loop
		<I>world</I> args = one string for each partition of processors
		<I>universe</I> args = one or more strings
		@@ -53,10 +54,11 @@ variable b1 equal x[234]+0.5*vol
		variable b1 equal "x[234] + 0.5*vol"
		variable b equal xcm(mol1,x)/2.0
		variable b equal c_myTemp
		variable b atom x<B></B>*y<B></B>/vol
		variable b atom x[]*y[]/vol
		variable temp world 300.0 310.0 320.0 ${Tfinal}
		variable x universe 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		variable x uloop 15
		variable x delete
		</PRE>
		<P><B>Description:</B>
		</P>
		@@ -109,7 +111,8 @@ loop.
		<P>Second, as described below, if a variable is iterated on to the end of
		its list of strings via the <A HREF = "next.html">next</A> command, it is removed
		from the list of active variables, and is thus available to be
		re-defined in a subsequent variable command.
		re-defined in a subsequent variable command. The <I>delete</I> option does
		the same thing.
		</P>
		<HR>

		@@ -127,6 +130,22 @@ next <A HREF = "jump.html">jump</A> command encountered in the input script to b
		skipped. This enables the construction of simple loops in the input
		script that are iterated over and then exited from.
		</P>
		<P>As explained above, an exhausted variable can be re-used in an input
		script. The <I>delete</I> option also removes the variable, the same as if
		it were exhausted, allowing it to be redefined later in the input
		script or when the input script is looped over. This can be useful
		when breaking out of a loop via the <A HREF = "if.html">if</A> and <A HREF = "jump.html">jump</A>
		commands before the variable would become exhausted. For example,
		</P>
		<PRE>label loop
		variable a loop 5
		print "A = $a"
		if $a > 2 then "jump in.test break"
		next a
		jump in.test loop
		label break
		variable a delete
		</PRE>
		<HR>

		<P>For the <I>index</I> style, one or more strings are specified. Initially,

doc/variable.txt

+23 −4

Original line number	Diff line number	Diff line
		@@ -13,7 +13,8 @@ variable command :h3
		variable name style args ... :pre

		name = name of variable to define :ulb,l
		style = {index} or {loop} or {world} or {universe} or {uloop} or {equal} or {atom} :l
		style = {delete} or {index} or {loop} or {world} or {universe} or {uloop} or {equal} or {atom} :l
		{delete} = no args
		{index} args = one or more strings
		{loop} args = N = integer size of loop
		{world} args = one string for each partition of processors
		@@ -47,10 +48,11 @@ variable b1 equal x\[234\]+0.5*vol
		variable b1 equal "x\[234\] + 0.5*vol"
		variable b equal xcm(mol1,x)/2.0
		variable b equal c_myTemp
		variable b atom x[]*y[]/vol
		variable b atom x\[\]*y\[\]/vol
		variable temp world 300.0 310.0 320.0 $\{Tfinal\}
		variable x universe 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
		variable x uloop 15 :pre
		variable x uloop 15
		variable x delete :pre

		[Description:]

		@@ -103,7 +105,8 @@ loop.
		Second, as described below, if a variable is iterated on to the end of
		its list of strings via the "next"_next.html command, it is removed
		from the list of active variables, and is thus available to be
		re-defined in a subsequent variable command.
		re-defined in a subsequent variable command. The {delete} option does
		the same thing.

		:line

		@@ -121,6 +124,22 @@ next "jump"_jump.html command encountered in the input script to be
		skipped. This enables the construction of simple loops in the input
		script that are iterated over and then exited from.

		As explained above, an exhausted variable can be re-used in an input
		script. The {delete} option also removes the variable, the same as if
		it were exhausted, allowing it to be redefined later in the input
		script or when the input script is looped over. This can be useful
		when breaking out of a loop via the "if"_if.html and "jump"_jump.html
		commands before the variable would become exhausted. For example,

		label loop
		variable a loop 5
		print "A = $a"
		if $a > 2 then "jump in.test break"
		next a
		jump in.test loop
		label break
		variable a delete :pre

		:line

		For the {index} style, one or more strings are specified. Initially,

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