Tizen Native API
5.0
|
Definition and operations for 2x3 matrices.
Functions | |
void | eina_matrix2_values_set (Eina_Matrix2 *m, double xx, double xy, double yx, double yy) |
Sets the values of the coefficients of the given floating point matrix. | |
void | eina_matrix2_values_get (const Eina_Matrix2 *m, double *xx, double *xy, double *yx, double *yy) |
Gets the values of the coefficients of the given floating point matrix. | |
void | eina_matrix2_inverse (Eina_Matrix2 *out, const Eina_Matrix2 *mat) |
Computes the inverse with check of the given matrix. | |
void | eina_matrix2_identity (Eina_Matrix2 *m) |
Sets the given floating point matrix to the identity matrix. | |
void | eina_matrix2_array_set (Eina_Matrix2 *m, const double *v) |
Sets array to matrix. | |
void | eina_matrix2_copy (Eina_Matrix2 *dst, const Eina_Matrix2 *src) |
Copies matrix. | |
void | eina_matrix2_multiply (Eina_Matrix2 *out, const Eina_Matrix2 *mat_a, const Eina_Matrix2 *mat_b) |
Multiplies two matrices. | |
void | eina_matrix2_multiply_copy (Eina_Matrix2 *out, const Eina_Matrix2 *mat_a, const Eina_Matrix2 *mat_b) |
Multiplies two matrices with check. | |
Eina_Matrix_Type | eina_matrix2_type_get (const Eina_Matrix2 *m) |
Returns the type of the given floating point matrix. | |
Typedefs | |
typedef struct _Eina_Matrix2 | Eina_Matrix2 |
Typedef Documentation
A 2x2 floating point matrix.
Function Documentation
void eina_matrix2_array_set | ( | Eina_Matrix2 * | m, |
const double * | v | ||
) |
Sets array to matrix.
- Parameters:
-
[out] m The result matrix. [in] v The the array[4] for set.
Set to matrix first 4 elements from array
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_copy | ( | Eina_Matrix2 * | dst, |
const Eina_Matrix2 * | src | ||
) |
Copies matrix.
- Parameters:
-
[out] dst The matrix copy. [in] src The matrix to copy.
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_identity | ( | Eina_Matrix2 * | m | ) |
Sets the given floating point matrix to the identity matrix.
- Parameters:
-
[out] m The floating point matrix to set.
This function sets m
to the identity matrix. No check is done on m
.
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_inverse | ( | Eina_Matrix2 * | out, |
const Eina_Matrix2 * | mat | ||
) |
Computes the inverse with check of the given matrix.
- Parameters:
-
[out] out The matrix to inverse. [in] mat The inverse matrix.
This function inverse the matrix out
and stores the result in mat
. No check is done on out
or mat
. If out
can not be invertible, then mat
is set to the identity matrix.
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_multiply | ( | Eina_Matrix2 * | out, |
const Eina_Matrix2 * | mat_a, | ||
const Eina_Matrix2 * | mat_b | ||
) |
Multiplies two matrices.
- Parameters:
-
[out] out The resulting matrix. [in] mat_a The first member of the multiplication. [in] mat_b The second member of the multiplication.
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_multiply_copy | ( | Eina_Matrix2 * | out, |
const Eina_Matrix2 * | mat_a, | ||
const Eina_Matrix2 * | mat_b | ||
) |
Multiplies two matrices with check.
- Parameters:
-
[out] out The resulting matrix. [in] mat_a The first member of the multiplication. [in] mat_b The second member of the multiplication.
- Since (EFL) :
- 1.17
- Since :
- 3.0
Eina_Matrix_Type eina_matrix2_type_get | ( | const Eina_Matrix2 * | m | ) |
Returns the type of the given floating point matrix.
- Parameters:
-
[in] m The floating point matrix.
- Returns:
- The type of the matrix.
This function returns the type of the matrix m
. No check is done on m
.
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_values_get | ( | const Eina_Matrix2 * | m, |
double * | xx, | ||
double * | xy, | ||
double * | yx, | ||
double * | yy | ||
) |
Gets the values of the coefficients of the given floating point matrix.
- Parameters:
-
[out] m The floating point matrix. [in] xx The first coefficient value. [in] xy The second coefficient value. [in] yx The fourth coefficient value. [in] yy The fifth coefficient value.
This function gets the values of the coefficients of the matrix m
. No check is done on m
.
- See also:
- eina_matrix2_values_set()
- Since (EFL) :
- 1.17
- Since :
- 3.0
void eina_matrix2_values_set | ( | Eina_Matrix2 * | m, |
double | xx, | ||
double | xy, | ||
double | yx, | ||
double | yy | ||
) |
Sets the values of the coefficients of the given floating point matrix.
- Parameters:
-
[out] m The floating point matrix. [in] xx The first coefficient value. [in] xy The second coefficient value. [in] yx The fourth coefficient value. [in] yy The fifth coefficient value.
This function sets the values of the coefficients of the matrix m
. No check is done on m
.
- See also:
- eina_matrix2_values_get()
- Since (EFL) :
- 1.17
- Since :
- 3.0