File: bin_ops.at

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# Checking the binary operations.                    -*- Autotest -*-

# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012,
# 2013 Free Software Foundation, Inc.
#
# This file is part of GNU libmatheval
#
# GNU libmatheval is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# GNU libmatheval is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU libmatheval.  If not, see
# <http://www.gnu.org/licenses/>.

AT_BANNER([[Checking evaluating binary operations.]])

AT_SETUP([Check binary operations.])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4+x"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [5.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4+x"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [1], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4-x"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [3.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4-x"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [(-1)], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4*x"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [4.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4*x"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [((0*x)+4)], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4/x"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [4.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4/x"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [(((0*x)-4)/(x^2))], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4^x"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [4.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "4^x"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [((4^x)*(1.38629+(x*0)))], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "x^4"))
(display (evaluator-evaluate-x f 1))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [1.0], [ignore])

AT_DATA([function.scm],
[[
(define f (evaluator-create "x^4"))
(define f_prim (evaluator-derivative-x f))
(display (evaluator-get-string f_prim))
]])

AT_CHECK([matheval.sh function.scm], [ignore], [(4*(x^3))], [ignore])

AT_CLEANUP