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vector.hh
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Thu, Sep 5, 21:03
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text/x-c++
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Sat, Sep 7, 21:03 (1 d, 21 h)
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R7571 SP4E-TB-TL-FR
vector.hh
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#ifndef __VECTOR__HH__
#define __VECTOR__HH__
/* -------------------------------------------------------------------------- */
#include "my_types.hh"
/* -------------------------------------------------------------------------- */
#include <array>
/**
* @brief 3D Vector class
*
* Note that no constructor is needed for this class
*/
class
Vector
{
public
:
//! Dimension of vector
static
const
UInt
dim
=
3
;
// Methods
public
:
//! access given component
Real
&
operator
[](
UInt
i
);
//! access given component (const)
const
Real
&
operator
[](
UInt
i
)
const
;
//! square of euclidian norm
Real
squaredNorm
()
const
;
// Operators that make sense for vectors
Vector
&
operator
+=
(
const
Vector
&
vec
);
Vector
&
operator
-=
(
const
Vector
&
vec
);
Vector
&
operator
*=
(
Real
val
);
Vector
&
operator
/=
(
Real
val
);
//! Copy operator
Vector
&
operator
=
(
const
Vector
&
vec
);
//! Assign a value
Vector
&
operator
=
(
Real
val
);
public
:
//! Output to stream
friend
std
::
ostream
&
operator
<<
(
std
::
ostream
&
stream
,
const
Vector
&
_this
);
//! Initialize from stream
friend
std
::
istream
&
operator
>>
(
std
::
istream
&
stream
,
Vector
&
_this
);
private
:
//! Vector values (initilized to zero by default)
std
::
array
<
Real
,
dim
>
values
=
{
0
};
};
/* -------------------------------------------------------------------------- */
/* Separate function definitions */
/* -------------------------------------------------------------------------- */
/// standard output stream operator
std
::
ostream
&
operator
<<
(
std
::
ostream
&
stream
,
const
Vector
&
_this
);
/// standard input stream operator
std
::
istream
&
operator
>>
(
std
::
istream
&
stream
,
Vector
&
_this
);
// We define the operators +, -, *, / with vectors and scalars
Vector
operator
+
(
const
Vector
&
a
,
const
Vector
&
b
);
Vector
operator
-
(
const
Vector
&
a
,
const
Vector
&
b
);
// Symmetry of multiplication
Vector
operator
*
(
const
Vector
&
a
,
Real
val
);
Vector
operator
*
(
Real
val
,
const
Vector
&
a
);
// For convenience
Vector
operator
/
(
const
Vector
&
a
,
Real
val
);
#endif
//__VECTOR__HH__
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