135 lines
3.7 KiB
C++
Executable File
135 lines
3.7 KiB
C++
Executable File
/**********************************************************************
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*<
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FILE: dpoint3.h
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DESCRIPTION:
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CREATED BY: Dan Silva
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HISTORY:
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*> Copyright (c) 1994, All Rights Reserved.
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**********************************************************************/
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#ifndef __DPOINT3__
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#define __DPOINT3__
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#include "point3.h"
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#if _MSC_VER < 1300 // Visual Studio .NET
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class ostream;
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#else
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#include <iosfwd>
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// using std::ostream; CA - 10/24/02 - Removed to preserve compatibility for 3rd parties
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#endif
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class DPoint3 {
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public:
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double x,y,z;
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// Constructors
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DPoint3(){}
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DPoint3(double X, double Y, double Z) { x = X; y = Y; z = Z; }
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DPoint3(const DPoint3& a) { x = a.x; y = a.y; z = a.z; }
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DPoint3(const Point3& a) { x = a.x; y = a.y; z = a.z; }
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DPoint3(double af[3]) { x = af[0]; y = af[1]; z = af[2]; }
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// Access operators
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double& operator[](int i) { return (&x)[i]; }
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const double& operator[](int i) const { return (&x)[i]; }
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// Conversion function
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operator double*() { return(&x); }
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// Unary operators
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DPoint3 operator-() const { return(DPoint3(-x,-y,-z)); }
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DPoint3 operator+() const { return *this; }
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// Assignment operators
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DllExport DPoint3& operator=(const Point3& a) { x = a.x; y = a.y; z = a.z; return *this; }
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DllExport DPoint3& operator-=(const DPoint3&);
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DllExport DPoint3& operator+=(const DPoint3&);
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DllExport DPoint3& operator*=(double);
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DllExport DPoint3& operator/=(double);
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// Binary operators
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DllExport DPoint3 operator-(const DPoint3&) const;
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DllExport DPoint3 operator+(const DPoint3&) const;
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DllExport double operator*(const DPoint3&) const; // DOT PRODUCT
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DllExport DPoint3 operator^(const DPoint3&) const; // CROSS PRODUCT
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};
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double DllExport Length(const DPoint3&);
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int DllExport MaxComponent(const DPoint3&); // the component with the maximum abs value
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int DllExport MinComponent(const DPoint3&); // the component with the minimum abs value
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DPoint3 DllExport Normalize(const DPoint3&); // Return a unit vector.
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DPoint3 DllExport operator*(double, const DPoint3&); // multiply by scalar
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DPoint3 DllExport operator*(const DPoint3&, double); // multiply by scalar
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DPoint3 DllExport operator/(const DPoint3&, double); // divide by scalar
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#if _MSC_VER < 1300 // Visual Studio .NET
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ostream DllExport &operator<<(ostream&, const DPoint3&);
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#else
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std::ostream DllExport &operator<<(std::ostream&, const DPoint3&);
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#endif
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// Inlines:
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inline double Length(const DPoint3& v) {
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return (double)sqrt(v.x*v.x+v.y*v.y+v.z*v.z);
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}
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inline DPoint3& DPoint3::operator-=(const DPoint3& a) {
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x -= a.x; y -= a.y; z -= a.z;
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return *this;
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}
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inline DPoint3& DPoint3::operator+=(const DPoint3& a) {
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x += a.x; y += a.y; z += a.z;
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return *this;
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}
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inline DPoint3& DPoint3::operator*=(double f) {
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x *= f; y *= f; z *= f;
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return *this;
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}
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inline DPoint3& DPoint3::operator/=(double f) {
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x /= f; y /= f; z /= f;
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return *this;
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}
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inline DPoint3 DPoint3::operator-(const DPoint3& b) const {
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return(DPoint3(x-b.x,y-b.y,z-b.z));
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}
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inline DPoint3 DPoint3::operator+(const DPoint3& b) const {
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return(DPoint3(x+b.x,y+b.y,z+b.z));
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}
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inline double DPoint3::operator*(const DPoint3& b) const {
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return(x*b.x+y*b.y+z*b.z);
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}
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inline DPoint3 operator*(double f, const DPoint3& a) {
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return(DPoint3(a.x*f, a.y*f, a.z*f));
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}
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inline DPoint3 operator*(const DPoint3& a, double f) {
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return(DPoint3(a.x*f, a.y*f, a.z*f));
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}
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inline DPoint3 operator/(const DPoint3& a, double f) {
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return(DPoint3(a.x/f, a.y/f, a.z/f));
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}
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DPoint3 DllExport CrossProd(const DPoint3& a, const DPoint3& b); // CROSS PRODUCT
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double DllExport DotProd(const DPoint3& a, const DPoint3& b) ; // DOT PRODUCT
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#endif
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