28 #ifndef PXR_BASE_GF_RANGE1D_H
29 #define PXR_BASE_GF_RANGE1D_H
36 #include "pxr/base/gf/api.h"
37 #include "pxr/base/gf/traits.h"
39 #include <boost/functional/hash.hpp>
45 PXR_NAMESPACE_OPEN_SCOPE
69 static const size_t dimension = 1;
86 : _min(min), _max(max)
91 double GetMin()
const {
return _min; }
94 double GetMax()
const {
return _max; }
97 double GetSize()
const {
return _max - _min; }
103 return static_cast<ScalarType
>(0.5) * _min
104 +
static_cast<ScalarType
>(0.5) * _max;
129 return (point >= _min && point <= _max);
158 return (range._max < _min || range._min > _max);
164 _FindMin(res._min,b._min);
165 _FindMax(res._max,b._max);
171 _FindMin(_min,b._min);
172 _FindMax(_max,b._max);
204 _FindMax(res._min,b._min);
205 _FindMin(res._max,b._max);
218 _FindMax(_min,b._min);
219 _FindMin(_max,b._max);
259 return *
this *= (1.0 / m);
264 return GfRange1d(_min + b._min, _max + b._max);
270 return GfRange1d(_min - b._max, _max - b._min);
289 return r * (1.0 / m);
295 boost::hash_combine(h, r._min);
296 boost::hash_combine(h, r._max);
302 return (_min == b._min && _max == b._max);
305 bool operator !=(
const GfRange1d &b)
const {
306 return !(*
this == b);
314 GF_API
inline bool operator !=(
const GfRange1f& other)
const;
326 static void _FindMin(
double &dest,
double point) {
327 if (point < dest) dest = point;
331 static void _FindMax(
double &dest,
double point) {
332 if (point > dest) dest = point;
340 PXR_NAMESPACE_CLOSE_SCOPE
342 PXR_NAMESPACE_OPEN_SCOPE
346 return _min == double(other.
GetMin()) &&
347 _max ==
double(other.
GetMax());
351 GfRange1d::operator !=(
const GfRange1f& other)
const {
352 return !(*
this == other);
356 PXR_NAMESPACE_CLOSE_SCOPE
358 #endif // PXR_BASE_GF_RANGE1D_H
void SetEmpty()
Sets the range to an empty interval.
const GfRange1d & Union(const GfRange1d &b)
Extend this to include b.
double MinMaxType
Helper typedef.
const GfRange1d & UnionWith(const GfRange1d &b)
Extend this to include b.
friend size_t hash_value(const GfRange1d &r)
hash.
Basic type: 1-dimensional floating point range.
const GfRange1d & IntersectWith(const GfRange1d &b)
Modifies this range to hold its intersection with b and returns the result.
A metafunction with a static const bool member 'value' that is true for GfRange types and false for a...
void ExtendBy(const GfRange1d &range)
Modifies the range if necessary to surround the given range.
double GetMin() const
Returns the minimum value of the range.
GfRange1d operator-=(const GfRange1d &b)
unary difference.
GfRange1d operator+=(const GfRange1d &b)
unary sum.
double GetMidpoint() const
Returns the midpoint of the range, that is, 0.5*(min+max).
bool IsOutside(const GfRange1d &range) const
Returns true if the range is located entirely outside the range.
friend GfRange1d operator*(double m, const GfRange1d &r)
scalar multiply.
GF_API double GetDistanceSquared(double p) const
Compute the squared distance from a point to the range.
GfRange1d operator-(const GfRange1d &b) const
binary difference.
bool IsInside(const GfRange1d &range) const
Returns true if the range is located entirely inside the range.
bool IsEmpty() const
Returns whether the range is empty (max < min).
const GfRange1d & Intersection(const GfRange1d &b)
Modifies this range to hold its intersection with b and returns the result.
float GetMax() const
Returns the maximum value of the range.
Basic type: 1-dimensional floating point range.
bool operator==(const GfRange1d &b) const
The min and max points must match exactly for equality.
double GetSize() const
Returns the size of the range.
static GfRange1d Union(const GfRange1d &a, const GfRange1d &b)
Returns the smallest GfRange1d which contains both a and b.
void ExtendBy(double point)
Modifies the range if necessary to surround the given value.
bool IsInside(double point) const
Returns true if the point is located inside the range.
float GetMin() const
Returns the minimum value of the range.
GF_API std::ostream & operator<<(std::ostream &, const GfBBox3d &)
Output a GfBBox3d using the format [(range) matrix zeroArea].
double GetMax() const
Returns the maximum value of the range.
GfRange1d operator*=(double m)
unary multiply.
static GfRange1d GetUnion(const GfRange1d &a, const GfRange1d &b)
Returns the smallest GfRange1d which contains both a and b.
static GfRange1d Intersection(const GfRange1d &a, const GfRange1d &b)
Returns a GfRange1d that describes the intersection of a and b.
GfRange1d operator/=(double m)
unary division.
GfRange1d operator+(const GfRange1d &b) const
binary sum.
friend GfRange1d operator/(const GfRange1d &r, double m)
scalar divide.
void SetMax(double max)
Sets the maximum value of the range.
static GfRange1d GetIntersection(const GfRange1d &a, const GfRange1d &b)
Returns a GfRange1d that describes the intersection of a and b.
const GfRange1d & UnionWith(double b)
Extend this to include b.
bool Contains(double point) const
Returns true if the point is located inside the range.
GfRange1d(double min, double max)
This constructor initializes the minimum and maximum points.
const GfRange1d & Union(double b)
Extend this to include b.
bool Contains(const GfRange1d &range) const
Returns true if the range is located entirely inside the range.
void SetMin(double min)
Sets the minimum value of the range.
GfRange1d()
The default constructor creates an empty range.