/usr/include/snlPoint.h is in libsnl-dev 0.2.1.svn.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | // libSNL - Simple Nurbs Library
// Copyright 2003 Scott A.E. Lanham, Australia.
// ---------------------------------------
// 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 2 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef SNLPOINT_H
#define SNLPOINT_H
class snlVector;
#include "snlVector.h"
class snlPoint
{
public:
snlPoint();
snlPoint ( const snlPoint& copyFrom );
snlPoint ( double x, double y, double z, double w = 1.0 );
void components ( double x, double y, double z, double w );
void components ( double x, double y, double z );
void components ( double* x, double* y, double* z, double* w );
void components ( double* x, double* y, double* z );
double x() const;
double y() const;
double z() const;
double w() const;
void x ( double );
void y ( double );
void z ( double );
void w ( double );
void multiplyWeight ( double multiplier );
void normalise();
void null(); // Set everything to zero.
bool isNull();
void zero(); // Set everything to zero and w to 1.
double lengthSqrd() const; // Treat point as vector.
double distSqrd ( const snlPoint& toPoint ) const;
snlPoint operator + ( const snlVector& vect ) const;
snlPoint operator + ( const snlPoint& point ) const;
snlPoint operator - ( const snlVector& vect ) const;
snlPoint operator - ( const snlPoint& point ) const;
snlPoint operator * ( double scalar ) const;
snlPoint operator / ( double scalar ) const;
void operator = ( const snlPoint& copyFrom );
void operator += ( const snlPoint& point );
void operator += ( const snlVector& vect );
void operator -= ( const snlPoint& point );
void operator *= ( double scalar );
void operator /= ( double scalar );
bool operator == ( snlPoint& compare );
void print() const;
double elements [ 4 ]; // x, y, z, w.
};
#endif
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