63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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/** \file
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* \ingroup bli
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* \brief Math vector functions needed specifically for mesh intersect and boolean.
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*/
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#include "BLI_double2.hh"
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#include "BLI_double3.hh"
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#ifdef WITH_GMP
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# include "BLI_math_mpq.hh"
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# include "BLI_mpq2.hh"
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# include "BLI_mpq3.hh"
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#endif
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namespace blender {
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/* #orient2d gives the exact result, using multi-precision arithmetic when result
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* is close to zero. orient3d_fast just uses double arithmetic, so may be
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* wrong if the answer is very close to zero.
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* Similarly, for #incircle and #incircle_fast. */
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int orient2d(const double2 &a, const double2 &b, const double2 &c);
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int orient2d_fast(const double2 &a, const double2 &b, const double2 &c);
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int incircle(const double2 &a, const double2 &b, const double2 &c, const double2 &d);
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int incircle_fast(const double2 &a, const double2 &b, const double2 &c, const double2 &d);
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/* #orient3d gives the exact result, using multi-precision arithmetic when result
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* is close to zero. orient3d_fast just uses double arithmetic, so may be
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* wrong if the answer is very close to zero.
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* Similarly, for #insphere and #insphere_fast. */
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int orient3d(const double3 &a, const double3 &b, const double3 &c, const double3 &d);
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int orient3d_fast(const double3 &a, const double3 &b, const double3 &c, const double3 &d);
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int insphere(
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const double3 &a, const double3 &b, const double3 &c, const double3 &d, const double3 &e);
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int insphere_fast(
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const double3 &a, const double3 &b, const double3 &c, const double3 &d, const double3 &e);
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#ifdef WITH_GMP
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int orient2d(const mpq2 &a, const mpq2 &b, const mpq2 &c);
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int incircle(const mpq2 &a, const mpq2 &b, const mpq2 &c, const mpq2 &d);
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int orient3d(const mpq3 &a, const mpq3 &b, const mpq3 &c, const mpq3 &d);
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#endif
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} // namespace blender
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