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lsimpleMatrix.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file lsimpleMatrix.h
10 * @author drose
11 * @date 2011-12-15
12 */
13
14#ifndef LSIMPLEMATRIX_H
15#define LSIMPLEMATRIX_H
16
17#include "pandabase.h"
18
19#ifdef HAVE_EIGEN
20#include <Eigen/Dense>
21#endif
22
23/**
24 * This class provides an underlying storage of the various linear-algebra
25 * classes (e.g. LVecBase3, LMatrix4) in the absence of the Eigen linear
26 * algebra library.
27 */
28template <class FloatType, int NumRows, int NumCols>
30public:
31 INLINE const FloatType &operator () (int row, int col) const;
32 INLINE FloatType &operator () (int row, int col);
33 INLINE const FloatType &operator () (int col) const;
34 INLINE FloatType &operator () (int col);
35
36private:
37 FloatType _array[NumRows][NumCols];
38};
39
40#include "lsimpleMatrix.I"
41
42// Now, do we actually use LSimpleMatrix, or do we use Eigen::Matrix?
43#ifdef HAVE_EIGEN
44#define UNALIGNED_LINMATH_MATRIX(FloatType, NumRows, NumCols) Eigen::Matrix<FloatType, NumRows, NumCols, Eigen::DontAlign | Eigen::RowMajor>
45
46#ifdef LINMATH_ALIGN
47#define LINMATH_MATRIX(FloatType, NumRows, NumCols) Eigen::Matrix<FloatType, NumRows, NumCols, Eigen::RowMajor>
48#else // LINMATH_ALIGN
49#define LINMATH_MATRIX(FloatType, NumRows, NumCols) UNALIGNED_LINMATH_MATRIX(FloatType, NumRows, NumCols)
50#endif // LINMATH_ALIGN
51
52#else // HAVE_EIGEN
53#define UNALIGNED_LINMATH_MATRIX(FloatType, NumRows, NumCols) LSimpleMatrix<FloatType, NumRows, NumCols>
54#define LINMATH_MATRIX(FloatType, NumRows, NumCols) UNALIGNED_LINMATH_MATRIX(FloatType, NumRows, NumCols)
55#endif // HAVE_EIGEN
56
57// This is as good a place as any to define this alignment macro.
58#if defined(LINMATH_ALIGN) && defined(HAVE_EIGEN) && defined(__AVX__) && defined(STDFLOAT_DOUBLE)
59#define ALIGN_LINMATH ALIGN_32BYTE
60#elif defined(LINMATH_ALIGN)
61#define ALIGN_LINMATH ALIGN_16BYTE
62#else
63#define ALIGN_LINMATH
64#endif // LINMATH_ALIGN
65
66#endif
This class provides an underlying storage of the various linear-algebra classes (e....
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.