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MFEM v4.8.0
Finite element discretization library
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#include <vector.hpp>
Public Member Functions | |
Vector () | |
Vector (const Vector &) | |
Copy constructor. Allocates a new data array and copies the data. | |
Vector (Vector &&v) | |
Move constructor. "Steals" data from its argument. | |
Vector (int s) | |
Creates vector of size s. | |
Vector (real_t *data_, int size_) | |
Creates a vector referencing an array of doubles, owned by someone else. | |
Vector (Vector &base, int base_offset, int size_) | |
Create a Vector referencing a sub-vector of the Vector base starting at the given offset, base_offset, and size size_. | |
Vector (int size_, MemoryType mt) | |
Create a Vector of size size_ using MemoryType mt. | |
Vector (int size_, MemoryType h_mt, MemoryType d_mt) | |
Create a Vector of size size_ using host MemoryType h_mt and device MemoryType d_mt. | |
template<typename CT , int N> | |
Vector (const CT(&values)[N]) | |
Create a vector from a statically sized C-style array of convertible type. | |
template<typename CT , typename std::enable_if< std::is_convertible< CT, real_t >::value, bool >::type = true> | |
Vector (std::initializer_list< CT > values) | |
Create a vector using a braced initializer list. | |
virtual void | UseDevice (bool use_dev) const |
Enable execution of Vector operations using the mfem::Device. | |
virtual bool | UseDevice () const |
Return the device flag of the Memory object used by the Vector. | |
void | Load (std::istream **in, int np, int *dim) |
Reads a vector from multiple files. | |
void | Load (std::istream &in, int Size) |
Load a vector from an input stream. | |
void | Load (std::istream &in) |
Load a vector from an input stream, reading the size from the stream. | |
void | SetSize (int s) |
Resize the vector to size s. | |
void | SetSize (int s, MemoryType mt) |
Resize the vector to size s using MemoryType mt. | |
void | SetSize (int s, const Vector &v) |
Resize the vector to size s using the MemoryType of v. | |
void | SetData (real_t *d) |
void | SetDataAndSize (real_t *d, int s) |
Set the Vector data and size. | |
void | NewDataAndSize (real_t *d, int s) |
Set the Vector data and size, deleting the old data, if owned. | |
void | NewMemoryAndSize (const Memory< real_t > &mem, int s, bool own_mem) |
Reset the Vector to use the given external Memory mem and size s. | |
void | MakeRef (Vector &base, int offset, int size) |
Reset the Vector to be a reference to a sub-vector of base. | |
void | MakeRef (Vector &base, int offset) |
Reset the Vector to be a reference to a sub-vector of base without changing its current size. | |
void | MakeDataOwner () const |
Set the Vector data (host pointer) ownership flag. | |
void | Destroy () |
Destroy a vector. | |
void | DeleteDevice (bool copy_to_host=true) |
Delete the device pointer, if owned. If copy_to_host is true and the data is valid only on device, move it to host before deleting. Invalidates the device memory. | |
int | Size () const |
Returns the size of the vector. | |
int | Capacity () const |
Return the size of the currently allocated data array. | |
real_t * | GetData () const |
Return a pointer to the beginning of the Vector data. | |
MFEM_DEPRECATED | operator real_t * () |
Conversion to double * . Deprecated. | |
MFEM_DEPRECATED | operator const real_t * () const |
Conversion to const double * . Deprecated. | |
real_t * | begin () |
STL-like begin. | |
real_t * | end () |
STL-like end. | |
const real_t * | begin () const |
STL-like begin (const version). | |
const real_t * | end () const |
STL-like end (const version). | |
Memory< real_t > & | GetMemory () |
Return a reference to the Memory object used by the Vector. | |
const Memory< real_t > & | GetMemory () const |
Return a reference to the Memory object used by the Vector, const version. | |
void | SyncMemory (const Vector &v) const |
Update the memory location of the vector to match v. | |
void | SyncAliasMemory (const Vector &v) const |
Update the alias memory location of the vector to match v. | |
bool | OwnsData () const |
Read the Vector data (host pointer) ownership flag. | |
void | StealData (real_t **p) |
Changes the ownership of the data; after the call the Vector is empty. | |
real_t * | StealData () |
Changes the ownership of the data; after the call the Vector is empty. | |
real_t & | Elem (int i) |
Access Vector entries. Index i = 0 .. size-1. | |
const real_t & | Elem (int i) const |
Read only access to Vector entries. Index i = 0 .. size-1. | |
real_t & | operator() (int i) |
Access Vector entries using () for 0-based indexing. | |
const real_t & | operator() (int i) const |
Read only access to Vector entries using () for 0-based indexing. | |
real_t & | operator[] (int i) |
Access Vector entries using [] for 0-based indexing. | |
const real_t & | operator[] (int i) const |
Read only access to Vector entries using [] for 0-based indexing. | |
real_t | operator* (const real_t *v) const |
real_t | operator* (const Vector &v) const |
Return the inner-product. | |
Vector & | operator= (const real_t *v) |
Copy Size() entries from v. | |
Vector & | operator= (const Vector &v) |
Copy assignment. | |
Vector & | operator= (Vector &&v) |
Move assignment. | |
Vector & | operator= (real_t value) |
Redefine '=' for vector = constant. | |
Vector & | operator*= (real_t c) |
Vector & | operator*= (const Vector &v) |
Component-wise scaling: (*this)(i) *= v(i) | |
Vector & | operator/= (real_t c) |
Vector & | operator/= (const Vector &v) |
Component-wise division: (*this)(i) /= v(i) | |
Vector & | operator-= (real_t c) |
Vector & | operator-= (const Vector &v) |
Vector & | operator+= (real_t c) |
Vector & | operator+= (const Vector &v) |
Vector & | Add (const real_t a, const Vector &Va) |
(*this) += a * Va | |
Vector & | Set (const real_t a, const Vector &x) |
(*this) = a * x | |
void | SetVector (const Vector &v, int offset) |
void | AddSubVector (const Vector &v, int offset) |
void | Neg () |
(*this) = -(*this) | |
void | Reciprocal () |
(*this)(i) = 1.0 / (*this)(i) | |
void | Swap (Vector &other) |
Swap the contents of two Vectors. | |
void | cross3D (const Vector &vin, Vector &vout) const |
void | median (const Vector &lo, const Vector &hi) |
v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi. | |
void | GetSubVector (const Array< int > &dofs, Vector &elemvect) const |
Extract entries listed in dofs to the output Vector elemvect. | |
void | GetSubVector (const Array< int > &dofs, real_t *elem_data) const |
Extract entries listed in dofs to the output array elem_data. | |
void | SetSubVector (const Array< int > &dofs, const real_t value) |
Set the entries listed in dofs to the given value. | |
void | SetSubVector (const Array< int > &dofs, const Vector &elemvect) |
Set the entries listed in dofs to the values given in the elemvect Vector. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elemvect. | |
void | SetSubVector (const Array< int > &dofs, real_t *elem_data) |
Set the entries listed in dofs to the values given the , elem_data array. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elem_data. | |
void | AddElementVector (const Array< int > &dofs, const Vector &elemvect) |
Add elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elemvect. | |
void | AddElementVector (const Array< int > &dofs, real_t *elem_data) |
Add elements of the elem_data array to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elem_data. | |
void | AddElementVector (const Array< int > &dofs, const real_t a, const Vector &elemvect) |
Add times the elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -a*val from elemvect. | |
void | SetSubVectorComplement (const Array< int > &dofs, const real_t val) |
Set all vector entries NOT in the dofs Array to the given val. | |
void | Print (std::ostream &out=mfem::out, int width=8) const |
Prints vector to stream out. | |
void | Print (adios2stream &out, const std::string &variable_name) const |
void | Print_HYPRE (std::ostream &out) const |
Prints vector to stream out in HYPRE_Vector format. | |
void | PrintMathematica (std::ostream &out=mfem::out) const |
Prints vector as a List for importing into Mathematica. | |
void | PrintHash (std::ostream &out) const |
Print the Vector size and hash of its data. | |
void | Randomize (int seed=0) |
Set random values in the vector. | |
real_t | Norml2 () const |
Returns the l2 norm of the vector. | |
real_t | Normlinf () const |
Returns the l_infinity norm of the vector. | |
real_t | Norml1 () const |
Returns the l_1 norm of the vector. | |
real_t | Normlp (real_t p) const |
Returns the l_p norm of the vector. | |
real_t | Max () const |
Returns the maximal element of the vector. | |
real_t | Min () const |
Returns the minimal element of the vector. | |
real_t | Sum () const |
Return the sum of the vector entries. | |
real_t | DistanceSquaredTo (const real_t *p) const |
Compute the square of the Euclidean distance to another vector. | |
real_t | DistanceSquaredTo (const Vector &p) const |
Compute the square of the Euclidean distance to another vector. | |
real_t | DistanceTo (const real_t *p) const |
Compute the Euclidean distance to another vector. | |
real_t | DistanceTo (const Vector &p) const |
Compute the Euclidean distance to another vector. | |
int | CheckFinite () const |
Count the number of entries in the Vector for which isfinite is false, i.e. the entry is a NaN or +/-Inf. | |
virtual | ~Vector () |
Destroys vector. | |
virtual const real_t * | Read (bool on_dev=true) const |
Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev). | |
virtual const real_t * | HostRead () const |
Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false). | |
virtual real_t * | Write (bool on_dev=true) |
Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev). | |
virtual real_t * | HostWrite () |
Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false). | |
virtual real_t * | ReadWrite (bool on_dev=true) |
Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev). | |
virtual real_t * | HostReadWrite () |
Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false). | |
Protected Attributes | |
Memory< real_t > | data |
int | size |
Friends | |
void | add (const Vector &v1, const Vector &v2, Vector &v) |
Set v = v1 + v2. | |
void | add (const Vector &v1, real_t alpha, const Vector &v2, Vector &v) |
Set v = v1 + alpha * v2. | |
void | add (const real_t a, const Vector &x, const Vector &y, Vector &z) |
z = a * (x + y) | |
void | add (const real_t a, const Vector &x, const real_t b, const Vector &y, Vector &z) |
z = a * x + b * y | |
void | subtract (const Vector &v1, const Vector &v2, Vector &v) |
Set v = v1 - v2. | |
void | subtract (const real_t a, const Vector &x, const Vector &y, Vector &z) |
z = a * (x - y) | |
Vector data type.
Definition at line 81 of file vector.hpp.
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Default constructor for Vector. Sets size = 0, and calls Memory::Reset on data through Memory<double>'s default constructor.
Definition at line 92 of file vector.hpp.
mfem::Vector::Vector | ( | const Vector & | v | ) |
Copy constructor. Allocates a new data array and copies the data.
Definition at line 108 of file vector.cpp.
mfem::Vector::Vector | ( | Vector && | v | ) |
Move constructor. "Steals" data from its argument.
Definition at line 121 of file vector.cpp.
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Creates vector of size s.
Definition at line 548 of file vector.hpp.
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Creates a vector referencing an array of doubles, owned by someone else.
The pointer data_ can be NULL. The data array can be replaced later with SetData().
Definition at line 107 of file vector.hpp.
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Create a Vector referencing a sub-vector of the Vector base starting at the given offset, base_offset, and size size_.
Definition at line 112 of file vector.hpp.
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Create a Vector of size size_ using MemoryType mt.
Definition at line 116 of file vector.hpp.
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Create a Vector of size size_ using host MemoryType h_mt and device MemoryType d_mt.
Definition at line 121 of file vector.hpp.
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inlineexplicit |
Create a vector from a statically sized C-style array of convertible type.
Definition at line 126 of file vector.hpp.
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inlineexplicit |
Create a vector using a braced initializer list.
Definition at line 132 of file vector.hpp.
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Destroys vector.
Definition at line 672 of file vector.hpp.
(*this) += a * Va
Definition at line 322 of file vector.cpp.
void mfem::Vector::AddElementVector | ( | const Array< int > & | dofs, |
const real_t | a, | ||
const Vector & | elemvect ) |
Add times the elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -a*val from elemvect.
Definition at line 788 of file vector.cpp.
Add elements of the elemvect Vector to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elemvect.
Definition at line 745 of file vector.cpp.
Add elements of the elem_data array to the entries listed in dofs. Negative dof values cause the -dof-1 position in this Vector to add the -val from elem_data.
Definition at line 770 of file vector.cpp.
void mfem::Vector::AddSubVector | ( | const Vector & | v, |
int | offset ) |
Definition at line 362 of file vector.cpp.
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STL-like begin.
Definition at line 245 of file vector.hpp.
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STL-like begin (const version).
Definition at line 251 of file vector.hpp.
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Return the size of the currently allocated data array.
It is always true that Capacity() >= Size().
Definition at line 230 of file vector.hpp.
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Count the number of entries in the Vector for which isfinite is false, i.e. the entry is a NaN or +/-Inf.
Definition at line 488 of file vector.hpp.
Computes cross product of this vector with another 3D vector. vout = this x vin.
Definition at line 616 of file vector.cpp.
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Delete the device pointer, if owned. If copy_to_host is true and the data is valid only on device, move it to host before deleting. Invalidates the device memory.
Definition at line 222 of file vector.hpp.
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Destroy a vector.
Definition at line 635 of file vector.hpp.
Compute the square of the Euclidean distance to another vector.
Definition at line 699 of file vector.hpp.
Compute the square of the Euclidean distance to another vector.
Definition at line 704 of file vector.hpp.
Compute the Euclidean distance to another vector.
Definition at line 710 of file vector.hpp.
Compute the Euclidean distance to another vector.
Definition at line 715 of file vector.hpp.
real_t & mfem::Vector::Elem | ( | int | i | ) |
Access Vector entries. Index i = 0 .. size-1.
Definition at line 172 of file vector.cpp.
const real_t & mfem::Vector::Elem | ( | int | i | ) | const |
Read only access to Vector entries. Index i = 0 .. size-1.
Definition at line 177 of file vector.cpp.
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STL-like end.
Definition at line 248 of file vector.hpp.
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STL-like end (const version).
Definition at line 254 of file vector.hpp.
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Return a pointer to the beginning of the Vector data.
Definition at line 235 of file vector.hpp.
Return a reference to the Memory object used by the Vector.
Definition at line 257 of file vector.hpp.
Return a reference to the Memory object used by the Vector, const version.
Definition at line 261 of file vector.hpp.
Extract entries listed in dofs to the output array elem_data.
Negative dof values cause the -dof-1 position in elem_data to receive the -val in from this Vector.
Definition at line 668 of file vector.cpp.
Extract entries listed in dofs to the output Vector elemvect.
Negative dof values cause the -dof-1 position in elemvect to receive the -val in from this Vector.
Definition at line 653 of file vector.cpp.
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Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false).
Reimplemented in mfem::PetscParVector.
Definition at line 498 of file vector.hpp.
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Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false).
Reimplemented in mfem::PetscParVector.
Definition at line 514 of file vector.hpp.
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Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false).
Reimplemented in mfem::PetscParVector.
Definition at line 506 of file vector.hpp.
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Load a vector from an input stream, reading the size from the stream.
Definition at line 156 of file vector.hpp.
void mfem::Vector::Load | ( | std::istream & | in, |
int | Size ) |
Load a vector from an input stream.
Definition at line 155 of file vector.cpp.
void mfem::Vector::Load | ( | std::istream ** | in, |
int | np, | ||
int * | dim ) |
Reads a vector from multiple files.
Definition at line 126 of file vector.cpp.
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Set the Vector data (host pointer) ownership flag.
Definition at line 214 of file vector.hpp.
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Reset the Vector to be a reference to a sub-vector of base without changing its current size.
Definition at line 629 of file vector.hpp.
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Reset the Vector to be a reference to a sub-vector of base.
Definition at line 622 of file vector.hpp.
real_t mfem::Vector::Max | ( | ) | const |
Returns the maximal element of the vector.
Definition at line 1164 of file vector.cpp.
v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi.
Definition at line 629 of file vector.cpp.
real_t mfem::Vector::Min | ( | ) | const |
Returns the minimal element of the vector.
Definition at line 1123 of file vector.cpp.
void mfem::Vector::Neg | ( | ) |
(*this) = -(*this)
Definition at line 375 of file vector.cpp.
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Set the Vector data and size, deleting the old data, if owned.
The Vector does not assume ownership of the new data. The new size is also used as the new Capacity().
Definition at line 189 of file vector.hpp.
Reset the Vector to use the given external Memory mem and size s.
If own_mem is false, the Vector will not own any of the pointers of mem.
Note that when own_mem is true, the mem object can be destroyed immediately by the caller but mem.Delete()
should NOT be called since the Vector object takes ownership of all pointers owned by mem.
Definition at line 607 of file vector.hpp.
real_t mfem::Vector::Norml1 | ( | ) | const |
Returns the l_1 norm of the vector.
Definition at line 985 of file vector.cpp.
real_t mfem::Vector::Norml2 | ( | ) | const |
Returns the l2 norm of the vector.
Definition at line 931 of file vector.cpp.
real_t mfem::Vector::Normlinf | ( | ) | const |
Returns the l_infinity norm of the vector.
Definition at line 972 of file vector.cpp.
Returns the l_p norm of the vector.
Definition at line 998 of file vector.cpp.
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Conversion to const double *
. Deprecated.
Definition at line 242 of file vector.hpp.
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Conversion to double *
. Deprecated.
Definition at line 239 of file vector.hpp.
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Access Vector entries using () for 0-based indexing.
Definition at line 644 of file vector.hpp.
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Read only access to Vector entries using () for 0-based indexing.
Definition at line 652 of file vector.hpp.
Dot product with a double *
array. This function always executes on the CPU. A HostRead() will be called if required. To optionally execute on the device: Vector tmp(v, Size()); res = (*this) * tmp;
Definition at line 182 of file vector.cpp.
Return the inner-product.
Definition at line 1054 of file vector.cpp.
Component-wise scaling: (*this)(i) *= v(i)
Definition at line 246 of file vector.cpp.
Definition at line 237 of file vector.cpp.
Definition at line 310 of file vector.cpp.
Definition at line 301 of file vector.cpp.
Definition at line 289 of file vector.cpp.
Definition at line 280 of file vector.cpp.
Component-wise division: (*this)(i) /= v(i)
Definition at line 268 of file vector.cpp.
Definition at line 258 of file vector.cpp.
Copy Size() entries from v.
Definition at line 196 of file vector.cpp.
Copy assignment.
Definition at line 202 of file vector.cpp.
Redefine '=' for vector = constant.
Definition at line 228 of file vector.cpp.
Move assignment.
Definition at line 221 of file vector.cpp.
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Access Vector entries using [] for 0-based indexing.
Definition at line 296 of file vector.hpp.
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Read only access to Vector entries using [] for 0-based indexing.
Definition at line 300 of file vector.hpp.
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Read the Vector data (host pointer) ownership flag.
Definition at line 271 of file vector.hpp.
void mfem::Vector::Print | ( | adios2stream & | out, |
const std::string & | variable_name ) const |
Prints vector to stream out.
out | adios2stream output |
variable_name | variable name associated with current Vector |
Definition at line 855 of file vector.cpp.
void mfem::Vector::Print | ( | std::ostream & | out = mfem::out, |
int | width = 8 ) const |
Prints vector to stream out.
Definition at line 830 of file vector.cpp.
void mfem::Vector::Print_HYPRE | ( | std::ostream & | out | ) | const |
Prints vector to stream out in HYPRE_Vector format.
Definition at line 864 of file vector.cpp.
void mfem::Vector::PrintHash | ( | std::ostream & | out | ) | const |
Print the Vector size and hash of its data.
This is a compact text representation of the Vector contents that can be used to compare vectors from different runs without the need to save the whole vector.
Definition at line 907 of file vector.cpp.
void mfem::Vector::PrintMathematica | ( | std::ostream & | out = mfem::out | ) | const |
Prints vector as a List for importing into Mathematica.
The resulting file can be read into Mathematica using an expression such as: myVec = Get["output_file_name"] The Mathematica variable "myVec" will then be assigned to a new List object containing the data from this MFEM Vector.
Definition at line 883 of file vector.cpp.
void mfem::Vector::Randomize | ( | int | seed = 0 | ) |
Set random values in the vector.
Definition at line 915 of file vector.cpp.
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Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev).
Reimplemented in mfem::HypreParVector, and mfem::PetscParVector.
Definition at line 494 of file vector.hpp.
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Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev).
Reimplemented in mfem::PetscParVector.
Definition at line 510 of file vector.hpp.
void mfem::Vector::Reciprocal | ( | ) |
(*this)(i) = 1.0 / (*this)(i)
Definition at line 383 of file vector.cpp.
(*this) = a * x
Definition at line 337 of file vector.cpp.
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Set the Vector data.
Definition at line 176 of file vector.hpp.
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Set the Vector data and size.
The Vector does not assume ownership of the new data. The new size is also used as the new Capacity().
Definition at line 183 of file vector.hpp.
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Resize the vector to size s.
If the new size is less than or equal to Capacity() then the internal data array remains the same. Otherwise, the old array is deleted, if owned, and a new array of size s is allocated without copying the previous content of the Vector.
Definition at line 558 of file vector.hpp.
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Resize the vector to size s using the MemoryType of v.
Definition at line 172 of file vector.hpp.
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Resize the vector to size s using MemoryType mt.
Definition at line 578 of file vector.hpp.
Set the entries listed in dofs to the given value.
Negative dof values cause the -dof-1 position in this Vector to receive the -value.
Definition at line 679 of file vector.cpp.
Set the entries listed in dofs to the values given in the elemvect Vector. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elemvect.
Definition at line 700 of file vector.cpp.
Set the entries listed in dofs to the values given the , elem_data array. Negative dof values cause the -dof-1 position in this Vector to receive the -val from elem_data.
Definition at line 726 of file vector.cpp.
Set all vector entries NOT in the dofs Array to the given val.
Definition at line 814 of file vector.cpp.
void mfem::Vector::SetVector | ( | const Vector & | v, |
int | offset ) |
Definition at line 349 of file vector.cpp.
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Returns the size of the vector.
Definition at line 226 of file vector.hpp.
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Changes the ownership of the data; after the call the Vector is empty.
Definition at line 278 of file vector.hpp.
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Changes the ownership of the data; after the call the Vector is empty.
Definition at line 274 of file vector.hpp.
real_t mfem::Vector::Sum | ( | ) | const |
Return the sum of the vector entries.
Definition at line 1204 of file vector.cpp.
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Swap the contents of two Vectors.
Definition at line 660 of file vector.hpp.
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Update the alias memory location of the vector to match v.
Definition at line 267 of file vector.hpp.
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Update the memory location of the vector to match v.
Definition at line 264 of file vector.hpp.
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Return the device flag of the Memory object used by the Vector.
Reimplemented in mfem::PetscParVector.
Definition at line 147 of file vector.hpp.
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Enable execution of Vector operations using the mfem::Device.
The default is to use Backend::CPU (serial execution on each MPI rank), regardless of the mfem::Device configuration.
When appropriate, MFEM functions and class methods will enable the use of the mfem::Device for their Vector parameters.
Some derived classes, e.g. GridFunction, enable the use of the mfem::Device by default.
Reimplemented in mfem::PetscParVector.
Definition at line 144 of file vector.hpp.
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inlinevirtual |
Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev).
Reimplemented in mfem::PetscParVector.
Definition at line 502 of file vector.hpp.
z = a * x + b * y
Definition at line 492 of file vector.cpp.
z = a * (x + y)
Definition at line 452 of file vector.cpp.
Set v = v1 + v2.
Definition at line 391 of file vector.cpp.
Set v = v1 + alpha * v2.
Definition at line 413 of file vector.cpp.
z = a * (x - y)
Definition at line 576 of file vector.cpp.
Set v = v1 - v2.
Definition at line 547 of file vector.cpp.
Definition at line 85 of file vector.hpp.
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Definition at line 86 of file vector.hpp.