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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@1687 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp 2008-03-28 16:22:09 +00:00
parent 8fc53cce58
commit 38ffa0c103
2 changed files with 14 additions and 6 deletions
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10
doc/variable.html
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@ -27,7 +27,7 @@
<I>equal</I> or <I>atom</I> args = one formula containing numbers, thermo keywords, math operations, group functions, atom values and vectors, compute/fix/variable references
numbers = 0.0, 100, -5.4, 2.8e-4, etc
thermo keywords = vol, ke, press, etc from <A HREF = "thermo_style.html">thermo_style</A>
math operations = (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x)
math operations = (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x), ceil(x), floor(x), round(x)
group functions = count(group), mass(group), charge(group),
xcm(group,dim), vcm(group,dim), fcm(group,dim),
bound(group,xmin), gyration(group)
@ -213,7 +213,7 @@ references, fix references, and references to other variables.
<DIV ALIGN=center><TABLE BORDER=1 >
<TR><TD >Number</TD><TD > 0.2, 100, 1.0e20, -15.4, etc</TD></TR>
<TR><TD >Thermo keywords</TD><TD > vol, pe, ebond, etc</TD></TR>
<TR><TD >Math operations</TD><TD > (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x)</TD></TR>
<TR><TD >Math operations</TD><TD > (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x), ceil(x), floor(x), round(x)</TD></TR>
<TR><TD >Group functions</TD><TD > count(ID), mass(ID), charge(ID), xcm(ID,dim), vcm(ID,dim), fcm(ID,dim), bound(ID,dir), gyration(ID)</TD></TR>
<TR><TD >Atom values</TD><TD > mass[N], x[N], y[N], z[N], vx[N], vy[N], vz[N], fx[N], fy[N], fz[N]</TD></TR>
<TR><TD >Atom vectors</TD><TD > mass[], x[], y[], z[], vx[], vy[], vz[], fx[], fy[], fz[]</TD></TR>
@ -245,7 +245,11 @@ division, and multiplication and division before addition and
subtraction. Parenthesis can be used to group one or more portions of
a formula and enforce a desired order of operations. Additional math
operations can be specified as keywords followed by a parenthesized
argument, e.g. sqrt(v_ke).
argument, e.g. sqrt(v_ke). The ceil(), floor(), and round()
operations are those in the C math library. Ceil() is the smallest
integer not less than its argument. Floor() if the largest integer
not greater than its argument. Round() is the nearest integer to its
argument.
</P>
<P>Group functions take one or two arguments in a specific format. The
first argument is the group-ID. The <I>dim</I> argument, if it exists, is

10
doc/variable.txt
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@ -22,7 +22,7 @@ style = {index} or {loop} or {world} or {universe} or {uloop} or {equal} or {ato
{equal} or {atom} args = one formula containing numbers, thermo keywords, math operations, group functions, atom values and vectors, compute/fix/variable references
numbers = 0.0, 100, -5.4, 2.8e-4, etc
thermo keywords = vol, ke, press, etc from "thermo_style"_thermo_style.html
math operations = (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x)
math operations = (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x), ceil(x), floor(x), round(x)
group functions = count(group), mass(group), charge(group),
xcm(group,dim), vcm(group,dim), fcm(group,dim),
bound(group,xmin), gyration(group)
@ -206,7 +206,7 @@ references, fix references, and references to other variables.
Number: 0.2, 100, 1.0e20, -15.4, etc
Thermo keywords: vol, pe, ebond, etc
Math operations: (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x)
Math operations: (), -x, x+y, x-y, x*y, x/y, x^y, sqrt(x), exp(x), ln(x), ceil(x), floor(x), round(x)
Group functions: count(ID), mass(ID), charge(ID), xcm(ID,dim), \
vcm(ID,dim), fcm(ID,dim), bound(ID,dir), gyration(ID)
Atom values: mass\[N\], x\[N\], y\[N\], z\[N\], \
@ -240,7 +240,11 @@ division, and multiplication and division before addition and
subtraction. Parenthesis can be used to group one or more portions of
a formula and enforce a desired order of operations. Additional math
operations can be specified as keywords followed by a parenthesized
argument, e.g. sqrt(v_ke).
argument, e.g. sqrt(v_ke). The ceil(), floor(), and round()
operations are those in the C math library. Ceil() is the smallest
integer not less than its argument. Floor() if the largest integer
not greater than its argument. Round() is the nearest integer to its
argument.
Group functions take one or two arguments in a specific format. The
first argument is the group-ID. The {dim} argument, if it exists, is