43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_CROSS_H
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#define IGL_CROSS_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Computes out = cross(a,b)
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// Inputs:
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// a left 3d vector
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// b right 3d vector
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// Outputs:
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// out result 3d vector
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IGL_INLINE void cross( const double *a, const double *b, double *out);
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// Computes C = cross(A,B,2);
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//
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// Inputs:
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// A #A by 3 list of row-vectors
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// B #A by 3 list of row-vectors
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// Outputs:
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// C #A by 3 list of row-vectors
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template <
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typename DerivedA,
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typename DerivedB,
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typename DerivedC>
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IGL_INLINE void cross(
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const Eigen::PlainObjectBase<DerivedA> & A,
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const Eigen::PlainObjectBase<DerivedB> & B,
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Eigen::PlainObjectBase<DerivedC> & C);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "cross.cpp"
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#endif
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#endif
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