| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2010, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bmth_fix_matrix.h $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/1 $ |
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| 12 | * $brcm_Date: 8/26/10 7:48p $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: /magnum/commonutils/mth/bmth_fix_matrix.h $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/1 8/26/10 7:48p albertl |
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| 21 | * SW7405-4556, SW7405-4515: Initial revision. |
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| 22 | * |
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| 23 | ***************************************************************************/ |
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| 24 | #ifndef BMTH_FIX_MATRIX_H__ |
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| 25 | #define BMTH_FIX_MATRIX_H__ |
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| 26 | |
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| 27 | #ifdef __cplusplus |
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| 28 | extern "C" { |
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| 29 | #endif |
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| 30 | |
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| 31 | #include "bstd.h" |
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| 32 | #include "bmth_fix.h" |
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| 33 | |
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| 34 | |
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| 35 | /*************************************************************************** |
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| 36 | Structures: |
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| 37 | ***************************************************************************/ |
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| 38 | typedef struct BMTH_FIX_Matrix |
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| 39 | { |
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| 40 | uint32_t data[4][4]; |
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| 41 | uint32_t ulSize; |
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| 42 | uint32_t ulFractBits; |
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| 43 | } BMTH_FIX_Matrix; |
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| 44 | |
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| 45 | typedef struct BMTH_FIX_Vector |
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| 46 | { |
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| 47 | uint32_t data[4]; |
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| 48 | uint32_t ulSize; |
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| 49 | uint32_t ulFractBits; |
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| 50 | } BMTH_FIX_Vector; |
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| 51 | |
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| 52 | |
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| 53 | /*************************************************************************** |
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| 54 | Summary: |
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| 55 | Takes two matrices and multiplies them together. Result is a matrix |
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| 56 | with the same size and fixed point fractional bits. Currently only |
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| 57 | supports matrices of same size. |
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| 58 | ***************************************************************************/ |
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| 59 | void BMTH_FIX_Matrix_Mult |
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| 60 | ( BMTH_FIX_Matrix *pMatrix1, |
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| 61 | BMTH_FIX_Matrix *pMatrix2, |
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| 62 | BMTH_FIX_Matrix *pRetMatrix); |
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| 63 | |
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| 64 | /*************************************************************************** |
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| 65 | Summary: |
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| 66 | Multiplies a Matrix with a Vector. Result is a vector with the same |
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| 67 | size as the original vector and same fixed point fractional bits. |
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| 68 | ***************************************************************************/ |
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| 69 | void BMTH_FIX_Matrix_MultVector |
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| 70 | ( BMTH_FIX_Matrix *pMatrix, |
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| 71 | BMTH_FIX_Vector *pVector, |
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| 72 | BMTH_FIX_Vector *pRetVector); |
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| 73 | |
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| 74 | /*************************************************************************** |
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| 75 | Summary: |
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| 76 | Takes a 3x3 matrix and converts it to a 4x4 matrix. |
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| 77 | ***************************************************************************/ |
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| 78 | void BMTH_FIX_Matrix_Make4x4 |
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| 79 | ( BMTH_FIX_Matrix *pMatrix, |
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| 80 | BMTH_FIX_Matrix *pRetMatrix); |
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| 81 | |
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| 82 | /*************************************************************************** |
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| 83 | Summary: |
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| 84 | Transposes a matrix. |
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| 85 | ***************************************************************************/ |
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| 86 | void BMTH_FIX_Matrix_Transpose |
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| 87 | ( BMTH_FIX_Matrix *pMatrix, |
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| 88 | BMTH_FIX_Matrix *pRetMatrix); |
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| 89 | |
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| 90 | /*************************************************************************** |
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| 91 | Summary: |
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| 92 | Calculates the inverse matrix. |
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| 93 | ***************************************************************************/ |
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| 94 | void BMTH_FIX_Matrix_Inverse |
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| 95 | ( BMTH_FIX_Matrix *pMatrix, |
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| 96 | BMTH_FIX_Matrix *pRetMatrix); |
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| 97 | |
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| 98 | /*************************************************************************** |
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| 99 | Summary: |
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| 100 | Calculates the determinant of a matrix. If cofactor matrix is present, |
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| 101 | precaculated cofactors from the table are used. |
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| 102 | ***************************************************************************/ |
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| 103 | uint32_t BMTH_FIX_Matrix_Determinant |
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| 104 | ( BMTH_FIX_Matrix *pMatrix, |
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| 105 | BMTH_FIX_Matrix *pCofactors); |
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| 106 | |
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| 107 | /*************************************************************************** |
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| 108 | Summary: |
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| 109 | Multiplies a matrix by a scalar. |
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| 110 | ***************************************************************************/ |
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| 111 | void BMTH_FIX_Matrix_MultScalar |
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| 112 | ( BMTH_FIX_Matrix *pMatrix, |
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| 113 | uint32_t ulScalar, |
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| 114 | BMTH_FIX_Matrix *pRetMatrix); |
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| 115 | |
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| 116 | /*************************************************************************** |
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| 117 | Summary: |
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| 118 | Prints a matrix. |
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| 119 | ***************************************************************************/ |
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| 120 | void BMTH_FIX_Matrix_Dump |
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| 121 | ( BMTH_FIX_Matrix *pMatrix); |
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| 122 | |
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| 123 | |
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| 124 | #ifdef __cplusplus |
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| 125 | } |
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| 126 | #endif |
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| 127 | |
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| 128 | #endif /* #ifndef BMTH_FIX_MATRIX_H__ */ |
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| 129 | /* End of File */ |
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