/usr/include/libwildmagic/Wm5IntpSphere2.h is in libwildmagic-dev 5.13-1ubuntu1.
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 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5INTPSPHERE2_H
#define WM5INTPSPHERE2_H
// Interpolation of a scalar-valued function defined on a sphere. Although
// the sphere lives in 3D, the interpolation is a 2D method whose input
// points are angles (theta,phi) from spherical coordinates. The domains of
// the angles are -PI <= theta <= PI and 0 <= phi <= PI.
#include "Wm5MathematicsLIB.h"
#include "Wm5IntpQdrNonuniform2.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntpSphere2
{
public:
// Construction and destruction. If you want IntpSphere2 to delete the
// input arrays during destruction, set owner to 'true'. Otherwise, you
// own the arrays and must delete them yourself.
//
// For complete spherical coverage, include the two antipodal (theta,phi)
// points (-PI,0,F(-PI,0)) and (-PI,PI,F(-PI,PI)) in the input data.
// These correspond to the sphere poles x = 0, y = 0, and |z| = 1.
//
// The computation type is for the Delaunay triangulation and should be
// one of Query::{QT_INT64,QT_INTEGER,QT_RATIONAL,QT_REAL}.
IntpSphere2 (int quantity, Real* theta, Real* phi, Real* F,
bool owner, Query::Type queryType);
~IntpSphere2 ();
// Spherical coordinates are
// x = cos(theta)*sin(phi)
// y = sin(theta)*sin(phi)
// z = cos(phi)
// for -PI <= theta <= PI, 0 <= phi <= PI. The application can use this
// function to convert unit length vectors (x,y,z) to (theta,phi).
static void GetSphericalCoords (Real x, Real y, Real z,
Real& theta, Real& phi);
bool Evaluate (Real theta, Real phi, Real& F);
private:
Delaunay2<Real>* mDT;
IntpQdrNonuniform2<Real>* mInterp;
};
typedef IntpSphere2<float> IntpSphere2f;
typedef IntpSphere2<double> IntpSphere2d;
}
#endif
|