4 #ifndef OPENVDB_MATH_VEC4_HAS_BEEN_INCLUDED 5 #define OPENVDB_MATH_VEC4_HAS_BEEN_INCLUDED 13 #include <type_traits> 21 template<
typename T>
class Mat3;
24 class Vec4:
public Tuple<4, T>
36 explicit Vec4(T val) { this->mm[0] = this->mm[1] = this->mm[2] = this->mm[3] = val; }
48 template <
typename Source>
51 this->mm[0] =
static_cast<T
>(a[0]);
52 this->mm[1] =
static_cast<T
>(a[1]);
53 this->mm[2] =
static_cast<T
>(a[2]);
54 this->mm[3] =
static_cast<T
>(a[3]);
58 template<
typename Source>
61 this->mm[0] =
static_cast<T
>(v[0]);
62 this->mm[1] =
static_cast<T
>(v[1]);
63 this->mm[2] =
static_cast<T
>(v[2]);
64 this->mm[3] =
static_cast<T
>(v[3]);
70 template<
typename Other>
74 this->mm[0] = this->mm[1] = this->mm[2] = this->mm[3] =
static_cast<T
>(val);
78 T&
x() {
return this->mm[0]; }
79 T&
y() {
return this->mm[1]; }
80 T&
z() {
return this->mm[2]; }
81 T&
w() {
return this->mm[3]; }
84 T
x()
const {
return this->mm[0]; }
85 T
y()
const {
return this->mm[1]; }
86 T
z()
const {
return this->mm[2]; }
87 T
w()
const {
return this->mm[3]; }
105 this->mm[0] = x; this->mm[1] = y; this->mm[2] = z; this->mm[3] = w;
112 this->mm[0] = 0; this->mm[1] = 0; this->mm[2] = 0; this->mm[3] = 0;
117 template<
typename Source>
131 bool eq(
const Vec4<T> &v, T eps = static_cast<T>(1.0e-8))
const 151 template <
typename T0,
typename T1>
154 this->mm[0] = v1[0] + v2[0];
155 this->mm[1] = v1[1] + v2[1];
156 this->mm[2] = v1[2] + v2[2];
157 this->mm[3] = v1[3] + v2[3];
165 template <
typename T0,
typename T1>
168 this->mm[0] = v1[0] - v2[0];
169 this->mm[1] = v1[1] - v2[1];
170 this->mm[2] = v1[2] - v2[2];
171 this->mm[3] = v1[3] - v2[3];
178 template <
typename T0,
typename T1>
181 this->mm[0] = scale * v[0];
182 this->mm[1] = scale * v[1];
183 this->mm[2] = scale * v[2];
184 this->mm[3] = scale * v[3];
189 template <
typename T0,
typename T1>
192 this->mm[0] = v[0] / scalar;
193 this->mm[1] = v[1] / scalar;
194 this->mm[2] = v[2] / scalar;
195 this->mm[3] = v[3] / scalar;
203 return (this->mm[0]*v.mm[0] + this->mm[1]*v.mm[1]
204 + this->mm[2]*v.mm[2] + this->mm[3]*v.mm[3]);
211 this->mm[0]*this->mm[0] +
212 this->mm[1]*this->mm[1] +
213 this->mm[2]*this->mm[2] +
214 this->mm[3]*this->mm[3]);
222 return (this->mm[0]*this->mm[0] + this->mm[1]*this->mm[1]
223 + this->mm[2]*this->mm[2] + this->mm[3]*this->mm[3]);
230 this->mm[0] = std::exp(this->mm[0]);
231 this->mm[1] = std::exp(this->mm[1]);
232 this->mm[2] = std::exp(this->mm[2]);
233 this->mm[3] = std::exp(this->mm[3]);
241 this->mm[0] = std::log(this->mm[0]);
242 this->mm[1] = std::log(this->mm[1]);
243 this->mm[2] = std::log(this->mm[2]);
244 this->mm[3] = std::log(this->mm[3]);
251 return this->mm[0] + this->mm[1] + this->mm[2] + this->mm[3];
257 return this->mm[0] * this->mm[1] * this->mm[2] * this->mm[3];
292 return l2 ? *
this /
static_cast<T
>(sqrt(l2)) :
Vec4<T>(1, 0, 0, 0);
296 template <
typename S>
299 this->mm[0] *= scalar;
300 this->mm[1] *= scalar;
301 this->mm[2] *= scalar;
302 this->mm[3] *= scalar;
307 template <
typename S>
310 this->mm[0] *= v1[0];
311 this->mm[1] *= v1[1];
312 this->mm[2] *= v1[2];
313 this->mm[3] *= v1[3];
319 template <
typename S>
322 this->mm[0] /= scalar;
323 this->mm[1] /= scalar;
324 this->mm[2] /= scalar;
325 this->mm[3] /= scalar;
330 template <
typename S>
333 this->mm[0] /= v1[0];
334 this->mm[1] /= v1[1];
335 this->mm[2] /= v1[2];
336 this->mm[3] /= v1[3];
341 template <
typename S>
344 this->mm[0] += scalar;
345 this->mm[1] += scalar;
346 this->mm[2] += scalar;
347 this->mm[3] += scalar;
352 template <
typename S>
355 this->mm[0] += v1[0];
356 this->mm[1] += v1[1];
357 this->mm[2] += v1[2];
358 this->mm[3] += v1[3];
363 template <
typename S>
366 this->mm[0] -= scalar;
367 this->mm[1] -= scalar;
368 this->mm[2] -= scalar;
369 this->mm[3] -= scalar;
374 template <
typename S>
377 this->mm[0] -= v1[0];
378 this->mm[1] -= v1[1];
379 this->mm[2] -= v1[2];
380 this->mm[3] -= v1[3];
396 template <
typename T0,
typename T1>
407 template <
typename T0,
typename T1>
411 template <
typename S,
typename T>
416 template <
typename S,
typename T>
425 template <
typename T0,
typename T1>
436 template <
typename S,
typename T>
446 template <
typename S,
typename T>
455 template <
typename T0,
typename T1>
459 result(v0[0]/v1[0], v0[1]/v1[1], v0[2]/v1[2], v0[3]/v1[3]);
464 template <
typename T0,
typename T1>
473 template <
typename S,
typename T>
482 template <
typename T0,
typename T1>
491 template <
typename S,
typename T>
499 template <
typename T>
505 template <
typename T>
528 template <
typename T>
539 template <
typename T>
551 template <
typename T>
556 template <
typename T>
573 #endif // OPENVDB_MATH_VEC4_HAS_BEEN_INCLUDED static unsigned numElements()
Definition: Vec4.h:387
bool isExactlyEqual(const T0 &a, const T1 &b)
Return true if a is exactly equal to b.
Definition: Math.h:443
T z() const
Definition: Vec4.h:86
Vec3< T > getVec3() const
Returns a Vec3 with the first three elements of the Vec4.
Definition: Vec4.h:99
const Vec4< T > & scale(T0 scale, const Vec4< T1 > &v)
Definition: Vec4.h:179
const Vec4< T > & add(const Vec4< T0 > &v1, const Vec4< T1 > &v2)
Definition: Vec4.h:152
T & z()
Definition: Vec4.h:80
T sum() const
Return the sum of all the vector components.
Definition: Vec4.h:249
const Vec4< T > & operator*=(S scalar)
Multiply each element of this vector by scalar.
Definition: Vec4.h:297
const Vec4< T > & sub(const Vec4< T0 > &v1, const Vec4< T1 > &v2)
Definition: Vec4.h:166
const T * asPointer() const
Definition: Vec4.h:90
static Vec4< T > zero()
Predefined constants, e.g. Vec4f v = Vec4f::xNegAxis();.
Definition: Vec4.h:390
const Vec4< T > & operator-=(const Vec4< S > &v1)
Subtract each element of the given vector from the corresponding element of this vector.
Definition: Vec4.h:375
General-purpose arithmetic and comparison routines, most of which accept arbitrary value types (or at...
Vec4(const Tuple< 4, Source > &v)
Conversion constructor.
Definition: Vec4.h:59
T & w()
Definition: Vec4.h:81
const Vec4< T > & operator+=(const Vec4< S > &v1)
Add each element of the given vector to the corresponding element of this vector. ...
Definition: Vec4.h:353
T & x()
Reference to the component, e.g. v.x() = 4.5f;.
Definition: Vec4.h:78
Vec4< typename promote< S, T >::type > operator-(const Vec4< T > &v, S scalar)
Subtract scalar from each element of the given vector and return the result.
Definition: Vec4.h:492
const Vec4< T > & div(T0 scalar, const Vec4< T1 > &v)
Definition: Vec4.h:190
const Vec4< T > & init(T x=0, T y=0, T z=0, T w=0)
Definition: Vec4.h:103
T value_type
Definition: Vec4.h:27
bool operator!=(const Vec4< T0 > &v0, const Vec4< T1 > &v1)
Inequality operator, does exact floating point comparisons.
Definition: Vec4.h:408
bool operator==(const Vec4< T0 > &v0, const Vec4< T1 > &v1)
Equality operator, does exact floating point comparisons.
Definition: Vec4.h:397
Vec4< T > unit(T eps, T &len) const
return normalized this and length, throws if null vector
Definition: Vec4.h:279
Vec4< T > unit(T eps=0) const
return normalized this, throws if null vector
Definition: Vec4.h:272
Vec4< typename promote< T0, T1 >::type > operator*(const Vec4< T0 > &v0, const Vec4< T1 > &v1)
Multiply corresponding elements of v0 and v1 and return the result.
Definition: Vec4.h:426
bool normalize(T eps=static_cast< T >(1.0e-8))
this = normalized this
Definition: Vec4.h:261
Vec4(Source *a)
Constructor with array argument, e.g. float a[4]; Vec4f v(a);.
Definition: Vec4.h:49
Vec4< T > Abs(const Vec4< T > &v)
Definition: Vec4.h:517
Vec4(T x, T y, T z, T w)
Constructor with four arguments, e.g. Vec4f v(1,2,3,4);.
Definition: Vec4.h:39
const Vec4< T > & operator+=(S scalar)
Add scalar to each element of this vector.
Definition: Vec4.h:342
Dummy class for tag dispatch of conversion constructors.
Definition: Tuple.h:24
T length() const
Length of the vector.
Definition: Vec4.h:208
bool eq(const Vec4< T > &v, T eps=static_cast< T >(1.0e-8)) const
Definition: Vec4.h:131
MatType scale(const Vec3< typename MatType::value_type > &s)
Return a matrix that scales by s.
Definition: Mat.h:615
Vec4(Other val, typename std::enable_if< std::is_arithmetic< Other >::value, Conversion >::type=Conversion{})
Construct a vector all of whose components have the given value, which may be of an arithmetic type d...
Definition: Vec4.h:71
static Vec4< T > origin()
Definition: Vec4.h:391
Vec4< T > operator-() const
Negation operator, for e.g. v1 = -v2;.
Definition: Vec4.h:140
Vec4(T val)
Construct a vector all of whose components have the given value.
Definition: Vec4.h:36
MatType unit(const MatType &mat, typename MatType::value_type eps=1.0e-8)
Return a copy of the given matrix with its upper 3×3 rows normalized.
Definition: Mat.h:648
const Vec4< T > & operator*=(const Vec4< S > &v1)
Multiply each element of this vector by the corresponding element of the given vector.
Definition: Vec4.h:308
const Vec4< T > & operator-=(S scalar)
Subtract scalar from each element of this vector.
Definition: Vec4.h:364
Definition: Exceptions.h:13
static unsigned numColumns()
Definition: Vec4.h:386
T w() const
Definition: Vec4.h:87
Vec4< T > maxComponent(const Vec4< T > &v1, const Vec4< T > &v2)
Return component-wise maximum of the two vectors.
Definition: Vec4.h:540
T & y()
Definition: Vec4.h:79
const Vec4< T > & operator/=(S scalar)
Divide each element of this vector by scalar.
Definition: Vec4.h:320
T x() const
Get the component, e.g. float f = v.y();.
Definition: Vec4.h:84
static Vec4< T > ones()
Definition: Vec4.h:392
const Vec4< T > & log()
Definition: Vec4.h:239
T dot(const Vec4< T > &v) const
Dot product.
Definition: Vec4.h:201
T lengthSqr() const
Definition: Vec4.h:220
Vec4< T > Log(Vec4< T > v)
Return a vector with log applied to each of the components of the input vector.
Definition: Vec4.h:557
T product() const
Return the product of all the vector components.
Definition: Vec4.h:255
Vec4< T > minComponent(const Vec4< T > &v1, const Vec4< T > &v2)
Return component-wise minimum of the two vectors.
Definition: Vec4.h:529
Vec4< T > Exp(Vec4< T > v)
Return a vector with the exponent applied to each of the components of the input vector.
Definition: Vec4.h:552
Definition: Exceptions.h:56
static unsigned numRows()
Definition: Vec4.h:385
T & operator()(int i)
Alternative indexed reference to the elements.
Definition: Vec4.h:93
T ValueType
Definition: Vec4.h:28
Vec4< typename promote< T0, T1 >::type > operator/(const Vec4< T0 > &v0, const Vec4< T1 > &v1)
Divide corresponding elements of v0 and v1 and return the result.
Definition: Vec4.h:456
const Vec4< T > & setZero()
Set "this" vector to zero.
Definition: Vec4.h:110
T y() const
Definition: Vec4.h:85
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h.in:121
T * asPointer()
Definition: Vec4.h:89
T operator()(int i) const
Alternative indexed constant reference to the elements,.
Definition: Vec4.h:96
bool isApproxEqual(const Vec4< T > &a, const Vec4< T > &b, const Vec4< T > &eps)
Definition: Vec4.h:507
Vec4< typename promote< S, T >::type > operator+(const Vec4< T > &v, S scalar)
Add scalar to each element of the given vector and return the result.
Definition: Vec4.h:474
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h.in:218
const Vec4< T > & operator=(const Vec4< Source > &v)
Assignment operator.
Definition: Vec4.h:118
#define OPENVDB_IS_POD(Type)
Definition: Math.h:56
const Vec4< T > & exp()
Definition: Vec4.h:228
Vec4< T > unitSafe() const
return normalized this, or (1, 0, 0, 0) if this is null vector
Definition: Vec4.h:289
const Vec4< T > & operator/=(const Vec4< S > &v1)
Divide each element of this vector by the corresponding element of the given vector.
Definition: Vec4.h:331