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Jetson Inference: Matrix

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| | Jetson Inference

DNN Vision Library |

Functions

Matrix Utilities Library (jetson-utils)

3x3 matrix operations from mat33.hMore...

|

Functions

| | template<typename T1 , typename T2 > | | void | mat33_cast (T1 dst[3][3], const T2 src[3][3]) | | | Cast a 3x3 matrix from one type to another. More...
| | | | template<typename T > | | void | mat33_copy (T dst[3][3], const T src[3][3]) | | | Copy src input matrix to dst output. More...
| | | | template<typename T > | | T | mat33_det (const T src[3][3]) | | | Compute the determinant of a 3x3 matrix, returns |src|More...
| | | | template<typename T > | | void | mat33_identity (T dst[3][3]) | | | Initialize a 3x3 identity matrix. More...
| | | | template<typename T > | | void | mat33_inverse (T dst[3][3], const T src[3][3]) | | | Compute the inverse of a 3x3 matrix, dst=src^-1 It is safe to have dst and src be the same memory. More...
| | | | template<typename T > | | void | mat33_multiply (T dst[3][3], const T a[3][3], const T b[3][3]) | | | Multiply two 3x3 matrices, dst=a*bMore...
| | | | template<typename T > | | void | mat33_print (const T src[3][3], const char *name=NULL) | | | Print out a 3x3 matrix to stdout. More...
| | | | template<typename T > | | int | mat33_rank (const T src[3][3]) | | | Determine the rank of a 3x3 matrix. More...
| | | | template<typename T > | | void | mat33_translate (T dst[3][3], T x, T y) | | | Initialize a 3x3 translation matrix. More...
| | | | template<typename T > | | void | mat33_translate (T dst[3][3], T src[3][3], T x, T y) | | | Translate a 3x3 matrix by (x,y)More...
| | | | template<typename T > | | void | mat33_rotation (T dst[3][3], T degrees) | | | Initialize a 3x3 rotation matrix. More...
| | | | template<typename T > | | void | mat33_rotation (T dst[3][3], T src[3][3], T degrees) | | | Rotate a 3x3 matrix counter-clockwise. More...
| | | | template<typename T > | | void | mat33_rotation (T dst[3][3], T degrees, float origin_x, float origin_y) | | | Initialize a 3x3 rotation matrix around an origin point. More...
| | | | template<typename T > | | void | mat33_rotation (T dst[3][3], T src[3][3], T degrees, float origin_x, float origin_y) | | | Rotation a 3x3 matrix around an origin point. More...
| | | | template<typename T > | | void | mat33_scale (T dst[3][3], T sx, T sy) | | | Initialize a 3x3 scaling matrix. More...
| | | | template<typename T > | | void | mat33_scale (T dst[3][3], T src[3][3], T sx, T sy) | | | Scale a 3x3 matrix by (sx,sy)More...
| | | | template<typename T > | | void | mat33_shear (T dst[3][3], T sx, T sy) | | | Initialize a 3x3 shear matrix. More...
| | | | template<typename T > | | void | mat33_shear (T dst[3][3], T src[3][3], T sx, T sy) | | | Shear a 3x3 matrix by (sx,sy). More...
| | | | template<typename T > | | void | mat33_swap (T a[3][3], T b[3][3]) | | | Swap two 3x3 matrices inline, a=b and b=aMore...
| | | | template<typename T > | | T | mat33_trace (const T src[3][3]) | | | Compute the trace of a 3x3 matrix, returns tr(src)More...
| | | | template<typename T > | | void | mat33_transform (T &x_out, T &y_out, const T x_in, const T y_in, const T mat[3][3]) | | | Transform a 2D vector by a 3x3 matrix. More...
| | | | template<typename T > | | void | mat33_transform (T dst[2], const T src[2], const T mat[3][3]) | | | Transform a 2D vector by a 3x3 matrix, dst=src*matMore...
| | | | template<typename T > | | void | mat33_transform (T *dst, const T *src, const int N, const T mat[3][3]) | | | Transform an array of 2D vectors by a 3x3 matrix. More...
| | | | template<typename T > | | void | mat33_transpose (T dst[3][3], const T src[3][3]) | | | Transpose a 3x3 matrix, dst=src^TMore...
| | | | template<typename T > | | void | mat33_zero (T dst[3][3]) | | | Set a 3x3 matrix to all zero's. More...
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Detailed Description

3x3 matrix operations from mat33.h

Function Documentation

mat33_cast()

template<typename T1 , typename T2 >

|

| void mat33_cast | ( | T1 | dst[3][3], | | | | const T2 | src[3][3] | | | ) | | |

| inline |

Cast a 3x3 matrix from one type to another.

mat33_copy()

template<typename T >

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| void mat33_copy | ( | T | dst[3][3], | | | | const T | src[3][3] | | | ) | | |

| inline |

Copy src input matrix to dst output.

mat33_det()

template<typename T >

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| T mat33_det | ( | const T | src[3][3] | ) | |

| inline |

Compute the determinant of a 3x3 matrix, returns |src|

mat33_identity()

template<typename T >

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| void mat33_identity | ( | T | dst[3][3] | ) | |

| inline |

Initialize a 3x3 identity matrix.

mat33_inverse()

template<typename T >

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| void mat33_inverse | ( | T | dst[3][3], | | | | const T | src[3][3] | | | ) | | |

| inline |

Compute the inverse of a 3x3 matrix, dst=src^-1 It is safe to have dst and src be the same memory.

mat33_multiply()

template<typename T >

|

| void mat33_multiply | ( | T | dst[3][3], | | | | const T | a[3][3], | | | | const T | b[3][3] | | | ) | | |

| inline |

Multiply two 3x3 matrices, dst=a*b

mat33_print()

template<typename T >

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| void mat33_print | ( | const T | src[3][3], | | | | const char * | name = NULL | | | ) | | |

| inline |

Print out a 3x3 matrix to stdout.

mat33_rank()

template<typename T >

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| int mat33_rank | ( | const T | src[3][3] | ) | |

| inline |

Determine the rank of a 3x3 matrix.

mat33_rotation() [1/4]

template<typename T >

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| void mat33_rotation | ( | T | dst[3][3], | | | | T | degrees | | | ) | | |

| inline |

Initialize a 3x3 rotation matrix.

mat33_rotation() [2/4]

template<typename T >

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| void mat33_rotation | ( | T | dst[3][3], | | | | T | degrees, | | | | float | origin_x, | | | | float | origin_y | | | ) | | |

| inline |

Initialize a 3x3 rotation matrix around an origin point.

mat33_rotation() [3/4]

template<typename T >

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| void mat33_rotation | ( | T | dst[3][3], | | | | T | src[3][3], | | | | T | degrees | | | ) | | |

| inline |

Rotate a 3x3 matrix counter-clockwise.

mat33_rotation() [4/4]

template<typename T >

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| void mat33_rotation | ( | T | dst[3][3], | | | | T | src[3][3], | | | | T | degrees, | | | | float | origin_x, | | | | float | origin_y | | | ) | | |

| inline |

Rotation a 3x3 matrix around an origin point.

mat33_scale() [1/2]

template<typename T >

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| void mat33_scale | ( | T | dst[3][3], | | | | T | src[3][3], | | | | T | sx, | | | | T | sy | | | ) | | |

| inline |

Scale a 3x3 matrix by (sx,sy)

mat33_scale() [2/2]

template<typename T >

|

| void mat33_scale | ( | T | dst[3][3], | | | | T | sx, | | | | T | sy | | | ) | | |

| inline |

Initialize a 3x3 scaling matrix.

mat33_shear() [1/2]

template<typename T >

|

| void mat33_shear | ( | T | dst[3][3], | | | | T | src[3][3], | | | | T | sx, | | | | T | sy | | | ) | | |

| inline |

Shear a 3x3 matrix by (sx,sy).

mat33_shear() [2/2]

template<typename T >

|

| void mat33_shear | ( | T | dst[3][3], | | | | T | sx, | | | | T | sy | | | ) | | |

| inline |

Initialize a 3x3 shear matrix.

mat33_swap()

template<typename T >

|

| void mat33_swap | ( | T | a[3][3], | | | | T | b[3][3] | | | ) | | |

| inline |

Swap two 3x3 matrices inline, a=b and b=a

mat33_trace()

template<typename T >

|

| T mat33_trace | ( | const T | src[3][3] | ) | |

| inline |

Compute the trace of a 3x3 matrix, returns tr(src)

mat33_transform() [1/3]

template<typename T >

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| void mat33_transform | ( | T & | x_out, | | | | T & | y_out, | | | | const T | x_in, | | | | const T | y_in, | | | | const T | mat[3][3] | | | ) | | |

| inline |

Transform a 2D vector by a 3x3 matrix.

mat33_transform() [2/3]

template<typename T >

|

| void mat33_transform | ( | T * | dst, | | | | const T * | src, | | | | const int | N, | | | | const T | mat[3][3] | | | ) | | |

| inline |

Transform an array of 2D vectors by a 3x3 matrix.

mat33_transform() [3/3]

template<typename T >

|

| void mat33_transform | ( | T | dst[2], | | | | const T | src[2], | | | | const T | mat[3][3] | | | ) | | |

| inline |

Transform a 2D vector by a 3x3 matrix, dst=src*mat

mat33_translate() [1/2]

template<typename T >

|

| void mat33_translate | ( | T | dst[3][3], | | | | T | src[3][3], | | | | T | x, | | | | T | y | | | ) | | |

| inline |

Translate a 3x3 matrix by (x,y)

mat33_translate() [2/2]

template<typename T >

|

| void mat33_translate | ( | T | dst[3][3], | | | | T | x, | | | | T | y | | | ) | | |

| inline |

Initialize a 3x3 translation matrix.

mat33_transpose()

template<typename T >

|

| void mat33_transpose | ( | T | dst[3][3], | | | | const T | src[3][3] | | | ) | | |

| inline |

Transpose a 3x3 matrix, dst=src^T

mat33_zero()

template<typename T >

|

| void mat33_zero | ( | T | dst[3][3] | ) | |

| inline |

Set a 3x3 matrix to all zero's.

  • Generated on Tue Mar 28 2023 14:27:58 for Jetson Inference by 1.8.17