53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
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/*
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This file is part of libeval, a simple math expression evaluator
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Copyright (C) 2017 Michael Geselbracht, mgeselbracht3@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <assert.h>
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#include "numeric_evaluator.h"
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int main()
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{
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NumericEvaluator eval;
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eval.process("2.54mm+50mil");
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if (eval.isValid()) printf("%s\n", eval.result());
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eval.process("x=1; y=5;");
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if (eval.isValid()) printf("%s\n", eval.result());
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eval.process("x+y");
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if (eval.isValid()) printf("%s\n", eval.result());
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eval.setVar("posx", -3.14152);
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bool retval = eval.process("posx");
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assert(retval == eval.isValid());
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if (eval.isValid()) printf("%s\n", eval.result());
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eval.process("x=1; y=2");
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eval.setVar("z", 3);
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eval.process("x+y+z");
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printf("x+y+z=%s\n", eval.result());
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eval.process("1\"");
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printf("1\" = %s\n", eval.result());
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eval.process("12.7 - 0.1\" - 50mil");
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printf("12.7 - 0.1\" - 50mil = %s\n", eval.result());
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}
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