32 lines
604 B
C++
32 lines
604 B
C++
#include "pip.h"
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void _() {
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//! [main]
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PIEvaluator eval;
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eval.check("e2eelge");
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piCout << eval.expression() << "=" << eval.evaluate();
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// e*2*e*e*lg(e) = (17.4461; 0)
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eval.check("10x");
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piCout << eval.error() << eval.unknownVariables();
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// Unknown variables: "x" {"x"}
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eval.setVariable("x", complexd(1, 2));
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eval.check("10x");
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piCout << eval.error() << eval.unknownVariables();
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// Correct {}
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piCout << eval.expression() << "=" << eval.evaluate();
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// 10*x = (10; 20)
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eval.setVariable("x", complexd(-2, 0));
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piCout << eval.expression() << "=" << eval.evaluate();
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// 10*x = (-20; 0)
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//! [main]
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};
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