kicad/common/libeval/main.cpp

53 lines
1.6 KiB
C++

/*
This file is part of libeval, a simple math expression evaluator
Copyright (C) 2017 Michael Geselbracht, mgeselbracht3@gmail.com
This program 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.
This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <assert.h>
#include "numeric_evaluator.h"
int main()
{
NumericEvaluator eval;
eval.process("2.54mm+50mil");
if (eval.isValid()) printf("%s\n", eval.result());
eval.process("x=1; y=5;");
if (eval.isValid()) printf("%s\n", eval.result());
eval.process("x+y");
if (eval.isValid()) printf("%s\n", eval.result());
eval.setVar("posx", -3.14152);
bool retval = eval.process("posx");
assert(retval == eval.isValid());
if (eval.isValid()) printf("%s\n", eval.result());
eval.process("x=1; y=2");
eval.setVar("z", 3);
eval.process("x+y+z");
printf("x+y+z=%s\n", eval.result());
eval.process("1\"");
printf("1\" = %s\n", eval.result());
eval.process("12.7 - 0.1\" - 50mil");
printf("12.7 - 0.1\" - 50mil = %s\n", eval.result());
}