Package org.robwork.sdurw_math
Class MetricQPtr
- java.lang.Object
-
- org.robwork.sdurw_math.MetricQPtr
-
public class MetricQPtr extends java.lang.Object
Ptr stores a pointer and optionally takes ownership of the value.
-
-
Constructor Summary
Constructors Constructor Description MetricQPtr()
Default constructor yielding a NULL-pointer.MetricQPtr(long cPtr, boolean cMemoryOwn)
MetricQPtr(MetricQ ptr)
Do not take ownership of ptr.
ptr can be null.
The constructor is implicit on purpose.
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description MetricQ
__ref__()
Dereferencing operator.MetricQCPtr
cptr()
void
delete()
MetricQ
deref()
The pointer stored in the object.double
distance(Q q)
The distance from the zero element to qdouble
distance(Q a, Q b)
The distance from element a to b.boolean
equals(MetricQ p)
static long
getCPtr(MetricQPtr obj)
MetricQ
getDeref()
Member access operator.boolean
isNull()
checks if the pointer is nullboolean
isShared()
check if this Ptr has shared ownership or none
ownershipint
size()
The dimension of elements on which this metric operates.
The returns -1 if the elements don't have a measure of dimension or
if the metric works for elements of all dimensions.
-
-
-
Constructor Detail
-
MetricQPtr
public MetricQPtr(long cPtr, boolean cMemoryOwn)
-
MetricQPtr
public MetricQPtr()
Default constructor yielding a NULL-pointer.
-
MetricQPtr
public MetricQPtr(MetricQ ptr)
Do not take ownership of ptr.
ptr can be null.
The constructor is implicit on purpose.
-
-
Method Detail
-
getCPtr
public static long getCPtr(MetricQPtr obj)
-
delete
public void delete()
-
deref
public MetricQ deref()
The pointer stored in the object.
-
__ref__
public MetricQ __ref__()
Dereferencing operator.
-
getDeref
public MetricQ getDeref()
Member access operator.
-
equals
public boolean equals(MetricQ p)
-
isShared
public boolean isShared()
check if this Ptr has shared ownership or none
ownership- Returns:
- true if Ptr has shared ownership, false if it has no ownership.
-
isNull
public boolean isNull()
checks if the pointer is null- Returns:
- Returns true if the pointer is null
-
cptr
public MetricQCPtr cptr()
-
distance
public double distance(Q q)
The distance from the zero element to q
-
distance
public double distance(Q a, Q b)
The distance from element a to b.- Parameters:
a
- [in] first elementb
- [in] second element- Returns:
- the distance
-
size
public int size()
The dimension of elements on which this metric operates.
The returns -1 if the elements don't have a measure of dimension or
if the metric works for elements of all dimensions.
-
-