23 lines
474 B
C++
23 lines
474 B
C++
#ifndef COMPLEX_H
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#define COMPLEX_H
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class complex {
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public:
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double re, im;
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public:
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complex (const double x=0.0, const double y=0.0);
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complex & operator*= (const double a) {
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re *= a; im *= a;
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return * this;
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}
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complex & operator+= (const complex & a) {
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re += a.re; im += a.im;
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return * this;
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}
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complex & exp (const unsigned n);
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double abs () const {
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return re * re + im * im;
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}
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};
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#endif // COMPLEX_H
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