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# Unigine::Unigine::dvec2 Struct

Vector of 2 double components.

To use this structure, include the UnigineMathLib.h file.

## dvec2(const __m128d & v)

### Arguments

• const __m128d & v

## dvec2(const hvec2 & v)

### Arguments

• const hvec2 & v

## dvec2()

Default constructor that produces a zero vector.

## dvec2(const dvec2 & v)

Initialization by a vector.

### Arguments

• const dvec2 & v - The value of the vector.

## dvec2(double x, double y)

Initialization by scalars.

### Arguments

• double x - X component of the vector.
• double y - Y component of the vector.

## explicit dvec2(double v)

Initialization by a scalar: x=v, y=v.

### Arguments

• double v - The value of the vector.

## explicit dvec2(const dvec3 & v)

Initialization by a four component vector: x=v.x, y=v.y.

### Arguments

• const dvec3 & v - The value of the vector.

## explicit dvec2(const dvec4 & v)

Initialization by a four component vector: x=v.x, y=v.y.

### Arguments

• const dvec4 & v - The value of the vector.

## explicit dvec2(const vec2 & v)

Initialization by a vector.

### Arguments

• const vec2 & v - The value of the vector.

## explicit dvec2(const ivec2 & v)

Initialization by a vector of integer components.

### Arguments

• const ivec2 & v - The value of the vector.

## explicit dvec2(const double * v)

Initialization by a pointer to the vector.

### Arguments

• const double * v - Pointer to the vector.

## voidset(double x_, double y_)

Set vector.

### Arguments

• double x_ - X component of the vector.
• double y_ - Y component of the vector.

## voidset(const double * val)

Set vector.

### Arguments

• const double * val - Pointer to the vector.

• double val

## voidset(const dvec2 & val)

### Arguments

• const dvec2 & val

## voidget(double * val) const

Get vector.

### Arguments

• double * val - Pointer to the vector.

## double *get()

Get a pointer to the vector.

### Return value

Pointer to the vector.

## const double *get() const

Get a constant pointer to the vector.

### Return value

Pointer to the vector.

## dvec2 &operator*=(double val)

Scalar multiplication.

### Arguments

• double val - The value of the scalar.

### Return value

The resulting vector.

## dvec2 &operator*=(const dvec2 & val)

Vector multiplication.

### Arguments

• const dvec2 & val - The value of the vector.

### Return value

The resulting vector.

## dvec2 &operator+=(const dvec2 & val)

### Arguments

• const dvec2 & val - The value of the vector.

### Return value

The resulting vector.

## dvec2operator-() const

Vector negation.

### Return value

The resulting vector.

## dvec2 &operator-=(const dvec2 & val)

Vector subtraction.

### Arguments

• const dvec2 & val - The value of the vector.

### Return value

The resulting vector.

• double val

## dvec2 &operator/=(const dvec2 & val)

### Arguments

• const dvec2 & val

## dvec2 &operator=(const __m128d & val)

### Arguments

• const __m128d & val

## dvec2 &operator=(const dvec2 & val)

### Arguments

• const dvec2 & val

## double &operator[](int i)

Array access.

### Arguments

• int i - Array item index.

The array item.

## doubleoperator[](int i) const

Constant array access.

### Arguments

• int i - Array item index.

The array item.

## voidsse(const __m128d & val)

### Arguments

• const __m128d & val

## int ZERO

Last update: 2017-07-03