# vector3_i.h

    00001 //
    00002 // vector3_i.h
    00003 //
    00004 // Copyright (C) 1996 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifdef __GNUC__
    00029 #pragma interface
    00030 #endif
    00031
    00032 #ifdef INLINE_FUNCTIONS
    00033 #define INLINE inline
    00034 #else
    00035 #define INLINE
    00036 #endif
    00037
    00038 namespace sc {
    00039
    00040 INLINE void
    00041 SCVector3::spherical_coord(double theta, double phi,
    00042                            double r)
    00043 {
    00044   double rsin_theta = r*sin(theta);
    00045   _v[0]=rsin_theta*cos(phi);
    00046   _v[1]=rsin_theta*sin(phi);
    00047   _v[2]=r*cos(theta);
    00048 }
    00049
    00050 INLINE  double
    00051 SCVector3::dist(const SCVector3 &s) const
    00052 {
    00053   double x=_v[0]-s._v[0],y=_v[1]-s._v[1],z=_v[2]-s._v[2];
    00054   return sqrt(x*x + y*y + z*z);
    00055 }
    00056
    00057 }
    00058
    00059 #undef INLINE
    00060
    00061 // Local Variables:
    00062 // mode: c++
    00063 // c-file-style: "CLJ"
    00064 // End: