mirror of https://github.com/swig/swig
49 lines
819 B
C++
49 lines
819 B
C++
/* File : example.c */
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#include "example.h"
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#include <math.h>
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#ifndef M_PI
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# define M_PI 3.14159265358979323846
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#endif
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/* Move the shape to a new location */
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void Shape::move(double dx, double dy) {
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x += dx;
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y += dy;
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}
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int Shape::nshapes = 0;
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double Circle::area(void) {
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return M_PI*radius*radius;
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}
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double Circle::perimeter(void) {
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return 2*M_PI*radius;
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}
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double Square::area(void) {
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return width*width;
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}
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double Square::perimeter(void) {
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return 4*width;
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}
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double do_op(Shape *s, double (Shape::*m)(void)) {
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return (s->*m)();
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}
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double (Shape::*areapt())(void) {
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return &Shape::area;
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}
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double (Shape::*perimeterpt())(void) {
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return &Shape::perimeter;
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}
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/* Member pointer variables */
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double (Shape::*areavar)(void) = &Shape::area;
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double (Shape::*perimetervar)(void) = &Shape::perimeter;
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