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Add support for inline format strings to immediate variable substitution

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This commit is contained in:
Sebastian Hütter
2018-06-14 14:17:37 +02:00
parent 29e555213c
commit c5b51df06e
2 changed files with 17 additions and 1 deletions
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9
doc/src/Section_commands.txt
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@ -129,6 +129,15 @@ region 1 block $((xlo+xhi)/2+sqrt(v_area)) 2 INF INF EDGE EDGE :pre
so that you do not have to define (or discard) a temporary variable X.
Additionally, the "immediate" expression may be followed by a colon,
followed by a C-style format string, e.g. "%f" or "%.10g", which must be
appropriate for formatting a double-precision floating-point value. The
format string will be used to output the result of the variable evaluation,
so you do not have to define a temporary "format-style variable"_variable.html.
This may be used for formatting print output:
print "Final energy per atom: $(pe/atoms:%10.3f) eV/atom" :pre
Note that neither the curly-bracket or immediate form of variables can
contain nested $ characters for other variables to substitute for.
Thus you cannot do this: