5
Quantities library
[qties]
5.8
Types
[qty.types]
5.8.3
Class template
quantity_
point
[qty.point.type]
namespace
mp_units
{
export
template
<
unspecified
>
class
quantity_point
{
unspecified
}
;
}
A
quantity point type
is a specialization of
quantity_
point
.
Let
Q
be a quantity point type
.
Q
::
point_
origin
represents the origin point of a position vector (
IEC 60050, 102-03-15
)
.
If
Rep
is a scalar,
Q
represents the scalar quantity (
IEC 60050, 102-02-19
) of a position vector
.
If
Rep
is a vector,
Q
represents a position vector
.