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Diffstat (limited to 'source/blender/blenlib/BLI_math_boolean.hh')
-rw-r--r-- | source/blender/blenlib/BLI_math_boolean.hh | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_math_boolean.hh b/source/blender/blenlib/BLI_math_boolean.hh new file mode 100644 index 00000000000..da79e9eeaba --- /dev/null +++ b/source/blender/blenlib/BLI_math_boolean.hh @@ -0,0 +1,61 @@ +/* + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#pragma once + +/** \file + * \ingroup bli + * \brief Math vector functions needed specifically for mesh intersect and boolean. + */ + +#include "BLI_double2.hh" +#include "BLI_double3.hh" + +#ifdef WITH_GMP +#include "BLI_math_mpq.hh" +#include "BLI_mpq2.hh" +#include "BLI_mpq3.hh" +#endif + +namespace blender { + +/* #orient2d gives the exact result, using multi-precision arithmetic when result +* is close to zero. orient3d_fast just uses double arithmetic, so may be +* wrong if the answer is very close to zero. +* Similarly, for #incircle and #incircle_fast. */ +int orient2d(const double2 &a, const double2 &b, const double2 &c); +int orient2d_fast(const double2 &a, const double2 &b, const double2 &c); + +int incircle(const double2 &a, const double2 &b, const double2 &c, const double2 &d); +int incircle_fast(const double2 &a, const double2 &b, const double2 &c, const double2 &d); + + +/* #orient3d gives the exact result, using multi-precision arithmetic when result + * is close to zero. orient3d_fast just uses double arithmetic, so may be + * wrong if the answer is very close to zero. + * Similarly, for #insphere and #insphere_fast. */ +int orient3d(const double3 &a, const double3 &b, const double3 &c, const double3 &d); +int orient3d_fast(const double3 &a, const double3 &b, const double3 &c, const double3 &d); + +int insphere(const double3 &a, const double3 &b, const double3 &c, const double3 &d, const double3 &e); +int insphere_fast(const double3 &a, const double3 &b, const double3 &c, const double3 &d, const double3 &e); + +#ifdef WITH_GMP +int orient2d(const mpq2 &a, const mpq2 &b, const mpq2 &c); +int incircle(const mpq2 &a, const mpq2 &b, const mpq2 &c, const mpq2 &d); +int orient3d(const mpq3 &a, const mpq3 &b, const mpq3 &c, const mpq3 &d); +#endif +} // namespace blender |