28 #ifndef PXR_BASE_GF_RANGE1F_H 29 #define PXR_BASE_GF_RANGE1F_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 float GetMin()
const {
return _min; }
94 float GetMax()
const {
return _max; }
97 float 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 GfRange1f(_min + b._min, _max + b._max);
270 return GfRange1f(_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 GfRange1f &b)
const {
306 return !(*
this == b);
314 GF_API
inline bool operator !=(
const GfRange1d& other)
const;
326 static void _FindMin(
float &dest,
float point) {
327 if (point < dest) dest = point;
331 static void _FindMax(
float &dest,
float point) {
332 if (point > dest) dest = point;
340 PXR_NAMESPACE_CLOSE_SCOPE
342 PXR_NAMESPACE_OPEN_SCOPE
346 return _min == float(other.
GetMin()) &&
347 _max ==
float(other.
GetMax());
351 GfRange1f::operator !=(
const GfRange1d& other)
const {
352 return !(*
this == other);
356 PXR_NAMESPACE_CLOSE_SCOPE
358 #endif // PXR_BASE_GF_RANGE1F_H Basic type: 1-dimensional floating point range.
const GfRange1f & Union(const GfRange1f &b)
Extend this to include b.
float GetMidpoint() const
Returns the midpoint of the range, that is, 0.5*(min+max).
const GfRange1f & Intersection(const GfRange1f &b)
Modifies this range to hold its intersection with b and returns the result.
GfRange1f operator -(const GfRange1f &b) const
binary difference.
A metafunction with a static const bool member 'value' that is true for GfRange types and false for a...
void SetMax(float max)
Sets the maximum value of the range.
friend GfRange1f operator *(const GfRange1f &r, double m)
scalar multiply.
float GetMax() const
Returns the maximum value of the range.
bool Contains(float point) const
Returns true if the point is located inside the range.
const GfRange1f & UnionWith(float b)
Extend this to include b.
GfRange1f & operator/=(double m)
unary division.
float GetMin() const
Returns the minimum value of the range.
void ExtendBy(const GfRange1f &range)
Modifies the range if necessary to surround the given range.
static GfRange1f GetIntersection(const GfRange1f &a, const GfRange1f &b)
Returns a GfRange1f that describes the intersection of a and b.
static GfRange1f GetUnion(const GfRange1f &a, const GfRange1f &b)
Returns the smallest GfRange1f which contains both a and b.
friend GfRange1f operator *(double m, const GfRange1f &r)
scalar multiply.
const GfRange1f & UnionWith(const GfRange1f &b)
Extend this to include b.
GF_API double GetDistanceSquared(float p) const
Compute the squared distance from a point to the range.
GfRange1f()
The default constructor creates an empty range.
bool IsInside(const GfRange1f &range) const
Returns true if the range is located entirely inside the range.
bool Contains(const GfRange1f &range) const
Returns true if the range is located entirely inside the range.
void SetEmpty()
Sets the range to an empty interval.
float MinMaxType
Helper typedef.
bool operator==(const GfRange1f &b) const
The min and max points must match exactly for equality.
Basic type: 1-dimensional floating point range.
bool IsEmpty() const
Returns whether the range is empty (max < min).
void ExtendBy(float point)
Modifies the range if necessary to surround the given value.
GfRange1f operator+(const GfRange1f &b) const
binary sum.
GfRange1f & operator *=(double m)
unary multiply.
double GetMax() const
Returns the maximum value of the range.
friend size_t hash_value(const GfRange1f &r)
hash.
static GfRange1f Intersection(const GfRange1f &a, const GfRange1f &b)
Returns a GfRange1f that describes the intersection of a and b.
double GetMin() const
Returns the minimum value of the range.
friend GfRange1f operator/(const GfRange1f &r, double m)
scalar divide.
GfRange1f & operator -=(const GfRange1f &b)
unary difference.
GfRange1f(float min, float max)
This constructor initializes the minimum and maximum points.
const GfRange1f & Union(float b)
Extend this to include b.
GF_API std::ostream & operator<<(std::ostream &, GfRange1f const &)
Output a GfRange1f.
const GfRange1f & IntersectWith(const GfRange1f &b)
Modifies this range to hold its intersection with b and returns the result.
float GetSize() const
Returns the size of the range.
void SetMin(float min)
Sets the minimum value of the range.
bool IsOutside(const GfRange1f &range) const
Returns true if the range is located entirely outside the range.
bool IsInside(float point) const
Returns true if the point is located inside the range.
GfRange1f & operator+=(const GfRange1f &b)
unary sum.
static GfRange1f Union(const GfRange1f &a, const GfRange1f &b)
Returns the smallest GfRange1f which contains both a and b.