Open CASCADE Technology
7.2.0
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This class implements the real vector abstract data type. Vectors can have an arbitrary range which must be defined at the declaration and cannot be changed after this declaration. More...
#include <math_Vector.hxx>
Public Member Functions | |
math_Vector (const Standard_Integer theLower, const Standard_Integer theUpper) | |
Contructs a non-initialized vector in the range [theLower..theUpper] "theLower" and "theUpper" are the indexes of the lower and upper bounds of the constructed vector. More... | |
math_Vector (const Standard_Integer theLower, const Standard_Integer theUpper, const Standard_Real theInitialValue) | |
Contructs a vector in the range [theLower..theUpper] whose values are all initialized with the value "theInitialValue". More... | |
math_Vector (const Standard_Address theTab, const Standard_Integer theLower, const Standard_Integer theUpper) | |
Constructs a vector in the range [theLower..theUpper] with the "c array" theTab. More... | |
math_Vector (const gp_XY &Other) | |
Constructor for converting gp_XY to math_Vector. More... | |
math_Vector (const gp_XYZ &Other) | |
Constructor for converting gp_XYZ to math_Vector. More... | |
void | Init (const Standard_Real theInitialValue) |
Initialize all the elements of a vector with "theInitialValue". More... | |
math_Vector (const math_Vector &theOther) | |
Constructs a copy for initialization. An exception is raised if the lengths of the vectors are different. More... | |
Standard_Integer | Length () const |
Returns the length of a vector. More... | |
Standard_Integer | Lower () const |
Returns the value of the theLower index of a vector. More... | |
Standard_Integer | Upper () const |
Returns the value of the theUpper index of a vector. More... | |
Standard_Real | Norm () const |
Returns the value or the square of the norm of this vector. More... | |
Standard_Real | Norm2 () const |
Returns the value of the square of the norm of a vector. More... | |
Standard_Integer | Max () const |
Returns the value of the "Index" of the maximum element of a vector. More... | |
Standard_Integer | Min () const |
Returns the value of the "Index" of the minimum element of a vector. More... | |
void | Normalize () |
Normalizes this vector (the norm of the result is equal to 1.0) and assigns the result to this vector Exceptions Standard_NullValue if this vector is null (i.e. if its norm is less than or equal to Standard_Real::RealEpsilon(). More... | |
math_Vector | Normalized () const |
Normalizes this vector (the norm of the result is equal to 1.0) and creates a new vector Exceptions Standard_NullValue if this vector is null (i.e. if its norm is less than or equal to Standard_Real::RealEpsilon(). More... | |
void | Invert () |
Inverts this vector and assigns the result to this vector. More... | |
math_Vector | Inverse () const |
Inverts this vector and creates a new vector. More... | |
void | Set (const Standard_Integer theI1, const Standard_Integer theI2, const math_Vector &theV) |
sets a vector from "theI1" to "theI2" to the vector "theV"; An exception is raised if "theI1" is less than "LowerIndex" or "theI2" is greater than "UpperIndex" or "theI1" is greater than "theI2". An exception is raised if "theI2-theI1+1" is different from the "Length" of "theV". More... | |
math_Vector | Slice (const Standard_Integer theI1, const Standard_Integer theI2) const |
Creates a new vector by inverting the values of this vector between indexes "theI1" and "theI2". If the values of this vector were (1., 2., 3., 4.,5., 6.), by slicing it between indexes 2 and 5 the values of the resulting vector are (1., 5., 4., 3., 2., 6.) More... | |
void | Multiply (const Standard_Real theRight) |
returns the product of a vector and a real value. More... | |
void | operator*= (const Standard_Real theRight) |
math_Vector | Multiplied (const Standard_Real theRight) const |
returns the product of a vector and a real value. More... | |
math_Vector | operator* (const Standard_Real theRight) const |
math_Vector | TMultiplied (const Standard_Real theRight) const |
returns the product of a vector and a real value. More... | |
void | Divide (const Standard_Real theRight) |
divides a vector by the value "theRight". An exception is raised if "theRight" = 0. More... | |
void | operator/= (const Standard_Real theRight) |
math_Vector | Divided (const Standard_Real theRight) const |
divides a vector by the value "theRight". An exception is raised if "theRight" = 0. More... | |
math_Vector | operator/ (const Standard_Real theRight) const |
void | Add (const math_Vector &theRight) |
adds the vector "theRight" to a vector. An exception is raised if the vectors have not the same length. Warning In order to avoid time-consuming copying of vectors, it is preferable to use operator += or the function Add whenever possible. More... | |
void | operator+= (const math_Vector &theRight) |
math_Vector | Added (const math_Vector &theRight) const |
adds the vector theRight to a vector. An exception is raised if the vectors have not the same length. An exception is raised if the lengths are not equal. More... | |
math_Vector | operator+ (const math_Vector &theRight) const |
void | Multiply (const math_Vector &theLeft, const math_Matrix &theRight) |
sets a vector to the product of the vector "theLeft" with the matrix "theRight". More... | |
void | Multiply (const math_Matrix &theLeft, const math_Vector &theRight) |
sets a vector to the product of the matrix "theLeft" with the vector "theRight". More... | |
void | TMultiply (const math_Matrix &theTLeft, const math_Vector &theRight) |
sets a vector to the product of the transpose of the matrix "theTLeft" by the vector "theRight". More... | |
void | TMultiply (const math_Vector &theLeft, const math_Matrix &theTRight) |
sets a vector to the product of the vector "theLeft" by the transpose of the matrix "theTRight". More... | |
void | Add (const math_Vector &theLeft, const math_Vector &theRight) |
sets a vector to the sum of the vector "theLeft" and the vector "theRight". An exception is raised if the lengths are different. More... | |
void | Subtract (const math_Vector &theLeft, const math_Vector &theRight) |
sets a vector to the Subtraction of the vector theRight from the vector theLeft. An exception is raised if the vectors have not the same length. Warning In order to avoid time-consuming copying of vectors, it is preferable to use operator -= or the function Subtract whenever possible. More... | |
Standard_Real & | Value (const Standard_Integer theNum) const |
accesses (in read or write mode) the value of index "theNum" of a vector. More... | |
Standard_Real & | operator() (const Standard_Integer theNum) const |
math_Vector & | Initialized (const math_Vector &theOther) |
Initialises a vector by copying "theOther". An exception is raised if the Lengths are differents. More... | |
math_Vector & | operator= (const math_Vector &theOther) |
Standard_Real | Multiplied (const math_Vector &theRight) const |
returns the inner product of 2 vectors. An exception is raised if the lengths are not equal. More... | |
Standard_Real | operator* (const math_Vector &theRight) const |
math_Vector | Multiplied (const math_Matrix &theRight) const |
returns the product of a vector by a matrix. More... | |
math_Vector | operator* (const math_Matrix &theRight) const |
math_Vector | Opposite () |
returns the opposite of a vector. More... | |
math_Vector | operator- () |
void | Subtract (const math_Vector &theRight) |
returns the subtraction of "theRight" from "me". An exception is raised if the vectors have not the same length. More... | |
void | operator-= (const math_Vector &theRight) |
math_Vector | Subtracted (const math_Vector &theRight) const |
returns the subtraction of "theRight" from "me". An exception is raised if the vectors have not the same length. More... | |
math_Vector | operator- (const math_Vector &theRight) const |
void | Multiply (const Standard_Real theLeft, const math_Vector &theRight) |
returns the multiplication of a real by a vector. "me" = "theLeft" * "theRight" More... | |
void | Dump (Standard_OStream &theO) const |
Prints information on the current state of the object. Is used to redefine the operator <<. More... | |
Protected Member Functions | |
void | SetLower (const Standard_Integer theLower) |
Is used internally to set the "theLower" value of the vector. More... | |
Friends | |
math_Vector | operator* (const Standard_Real theLeft, const math_Vector &theRight) |
Standard_OStream & | operator<< (Standard_OStream &theO, const math_Vector &theVec) |
This class implements the real vector abstract data type. Vectors can have an arbitrary range which must be defined at the declaration and cannot be changed after this declaration.
Vector are copied through assignement :
The Exception RangeError is raised when trying to access outside the range of a vector :
The Exception DimensionError is raised when the dimensions of two vectors are not compatible :
math_Vector::math_Vector | ( | const Standard_Integer | theLower, |
const Standard_Integer | theUpper | ||
) |
Contructs a non-initialized vector in the range [theLower..theUpper] "theLower" and "theUpper" are the indexes of the lower and upper bounds of the constructed vector.
math_Vector::math_Vector | ( | const Standard_Integer | theLower, |
const Standard_Integer | theUpper, | ||
const Standard_Real | theInitialValue | ||
) |
Contructs a vector in the range [theLower..theUpper] whose values are all initialized with the value "theInitialValue".
math_Vector::math_Vector | ( | const Standard_Address | theTab, |
const Standard_Integer | theLower, | ||
const Standard_Integer | theUpper | ||
) |
Constructs a vector in the range [theLower..theUpper] with the "c array" theTab.
math_Vector::math_Vector | ( | const gp_XY & | Other | ) |
Constructor for converting gp_XY to math_Vector.
math_Vector::math_Vector | ( | const gp_XYZ & | Other | ) |
Constructor for converting gp_XYZ to math_Vector.
math_Vector::math_Vector | ( | const math_Vector & | theOther | ) |
Constructs a copy for initialization. An exception is raised if the lengths of the vectors are different.
void math_Vector::Add | ( | const math_Vector & | theRight | ) |
adds the vector "theRight" to a vector. An exception is raised if the vectors have not the same length. Warning In order to avoid time-consuming copying of vectors, it is preferable to use operator += or the function Add whenever possible.
void math_Vector::Add | ( | const math_Vector & | theLeft, |
const math_Vector & | theRight | ||
) |
sets a vector to the sum of the vector "theLeft" and the vector "theRight". An exception is raised if the lengths are different.
math_Vector math_Vector::Added | ( | const math_Vector & | theRight | ) | const |
adds the vector theRight to a vector. An exception is raised if the vectors have not the same length. An exception is raised if the lengths are not equal.
void math_Vector::Divide | ( | const Standard_Real | theRight | ) |
divides a vector by the value "theRight". An exception is raised if "theRight" = 0.
math_Vector math_Vector::Divided | ( | const Standard_Real | theRight | ) | const |
divides a vector by the value "theRight". An exception is raised if "theRight" = 0.
void math_Vector::Dump | ( | Standard_OStream & | theO | ) | const |
Prints information on the current state of the object. Is used to redefine the operator <<.
void math_Vector::Init | ( | const Standard_Real | theInitialValue | ) |
Initialize all the elements of a vector with "theInitialValue".
math_Vector& math_Vector::Initialized | ( | const math_Vector & | theOther | ) |
Initialises a vector by copying "theOther". An exception is raised if the Lengths are differents.
math_Vector math_Vector::Inverse | ( | ) | const |
Inverts this vector and creates a new vector.
void math_Vector::Invert | ( | ) |
Inverts this vector and assigns the result to this vector.
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Returns the length of a vector.
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Returns the value of the theLower index of a vector.
Standard_Integer math_Vector::Max | ( | ) | const |
Returns the value of the "Index" of the maximum element of a vector.
Standard_Integer math_Vector::Min | ( | ) | const |
Returns the value of the "Index" of the minimum element of a vector.
math_Vector math_Vector::Multiplied | ( | const Standard_Real | theRight | ) | const |
returns the product of a vector and a real value.
Standard_Real math_Vector::Multiplied | ( | const math_Vector & | theRight | ) | const |
returns the inner product of 2 vectors. An exception is raised if the lengths are not equal.
math_Vector math_Vector::Multiplied | ( | const math_Matrix & | theRight | ) | const |
returns the product of a vector by a matrix.
void math_Vector::Multiply | ( | const Standard_Real | theRight | ) |
returns the product of a vector and a real value.
void math_Vector::Multiply | ( | const math_Vector & | theLeft, |
const math_Matrix & | theRight | ||
) |
sets a vector to the product of the vector "theLeft" with the matrix "theRight".
void math_Vector::Multiply | ( | const math_Matrix & | theLeft, |
const math_Vector & | theRight | ||
) |
sets a vector to the product of the matrix "theLeft" with the vector "theRight".
void math_Vector::Multiply | ( | const Standard_Real | theLeft, |
const math_Vector & | theRight | ||
) |
returns the multiplication of a real by a vector. "me" = "theLeft" * "theRight"
Standard_Real math_Vector::Norm | ( | ) | const |
Returns the value or the square of the norm of this vector.
Standard_Real math_Vector::Norm2 | ( | ) | const |
Returns the value of the square of the norm of a vector.
void math_Vector::Normalize | ( | ) |
Normalizes this vector (the norm of the result is equal to 1.0) and assigns the result to this vector Exceptions Standard_NullValue if this vector is null (i.e. if its norm is less than or equal to Standard_Real::RealEpsilon().
math_Vector math_Vector::Normalized | ( | ) | const |
Normalizes this vector (the norm of the result is equal to 1.0) and creates a new vector Exceptions Standard_NullValue if this vector is null (i.e. if its norm is less than or equal to Standard_Real::RealEpsilon().
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math_Vector math_Vector::Opposite | ( | ) |
returns the opposite of a vector.
void math_Vector::Set | ( | const Standard_Integer | theI1, |
const Standard_Integer | theI2, | ||
const math_Vector & | theV | ||
) |
sets a vector from "theI1" to "theI2" to the vector "theV"; An exception is raised if "theI1" is less than "LowerIndex" or "theI2" is greater than "UpperIndex" or "theI1" is greater than "theI2". An exception is raised if "theI2-theI1+1" is different from the "Length" of "theV".
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Is used internally to set the "theLower" value of the vector.
math_Vector math_Vector::Slice | ( | const Standard_Integer | theI1, |
const Standard_Integer | theI2 | ||
) | const |
Creates a new vector by inverting the values of this vector between indexes "theI1" and "theI2". If the values of this vector were (1., 2., 3., 4.,5., 6.), by slicing it between indexes 2 and 5 the values of the resulting vector are (1., 5., 4., 3., 2., 6.)
void math_Vector::Subtract | ( | const math_Vector & | theLeft, |
const math_Vector & | theRight | ||
) |
sets a vector to the Subtraction of the vector theRight from the vector theLeft. An exception is raised if the vectors have not the same length. Warning In order to avoid time-consuming copying of vectors, it is preferable to use operator -= or the function Subtract whenever possible.
void math_Vector::Subtract | ( | const math_Vector & | theRight | ) |
returns the subtraction of "theRight" from "me". An exception is raised if the vectors have not the same length.
math_Vector math_Vector::Subtracted | ( | const math_Vector & | theRight | ) | const |
returns the subtraction of "theRight" from "me". An exception is raised if the vectors have not the same length.
math_Vector math_Vector::TMultiplied | ( | const Standard_Real | theRight | ) | const |
returns the product of a vector and a real value.
void math_Vector::TMultiply | ( | const math_Matrix & | theTLeft, |
const math_Vector & | theRight | ||
) |
sets a vector to the product of the transpose of the matrix "theTLeft" by the vector "theRight".
void math_Vector::TMultiply | ( | const math_Vector & | theLeft, |
const math_Matrix & | theTRight | ||
) |
sets a vector to the product of the vector "theLeft" by the transpose of the matrix "theTRight".
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Returns the value of the theUpper index of a vector.
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accesses (in read or write mode) the value of index "theNum" of a vector.
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