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dnl @ ../doc/m4.texi:6372: Origin of test
dnl @ expected status: 0
dnl @ extra options:
dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
dnl @ Foundation, Inc.
dnl @ This file is free software; the Free Software Foundation
dnl @ gives unlimited permission to copy and/or distribute it
dnl @ with or without modifications, as long as this notice
dnl @ is preserved.
eval(`-3 * 5')
dnl @result{}-15
eval(`-99 / 10')
dnl @result{}-9
eval(`-99 % 10')
dnl @result{}-9
eval(`99 % -10')
dnl @result{}9
eval(index(`Hello world', `llo') >= 0)
dnl @result{}1
eval(`0r1:0111 + 0b100 + 0r3:12')
dnl @result{}12
define(`square', `eval(`($1) ** 2')')
dnl @result{}
square(`9')
dnl @result{}81
square(square(`5')` + 1')
dnl @result{}676
define(`foo', `666')
dnl @result{}
eval(`foo / 6')
dnl @error{}m4:stdin:11: bad expression in eval: foo / 6
dnl @result{}
eval(foo / 6)
dnl @result{}111
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