Package | Description |
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org.ojalgo.array.blas |
Modifier and Type | Class and Description |
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class |
AMAX
Given a vector x, the i?amax functions return the position of the vector element x[i] that has the largest
absolute value for real flavors, or the largest sum |Re(x[i])|+|Im(x[i])| for complex flavors.
|
class |
AMIN
Given a vector x, the i?amin functions return the position of the vector element x[i] that has the smallest
absolute value for real flavors, or the smallest sum |Re(x[i])|+|Im(x[i])| for complex flavors.
|
class |
ASUM
The ?asum routine computes the sum of the magnitudes of elements of a real vector, or the sum of magnitudes
of the real and imaginary parts of elements of a complex vector: res = |Re x1| + |Im x1| + |Re x2| + |Im
x2|+ ...
|
class |
AXPY
The ?axpy routines perform a vector-vector operation defined as y := a*x + y where: a is a scalar x and y
are vectors each with a number of elements that equals n.
|
class |
CABS1
The ?cabs1 is an auxiliary routine for a few BLAS Level 1 routines.
|
class |
COPY
The ?copy routines perform a vector-vector operation defined as y = x, where x and y are vectors.
|
class |
DOT
The ?dot routines perform a vector-vector reduction operation defined as Equation where xi and yi are
elements of vectors x and y.
|
class |
DOTC
The ?dotc routines perform a vector-vector operation defined as: Equation
|
class |
DOTU
The ?dotu routines perform a vector-vector reduction operation defined as Equation where xi and yi are
elements of complex vectors x and y.
|
class |
NRM2
The ?nrm2 routines perform a vector reduction operation defined as res = ||x||, where: x is a vector, res
is a value containing the Euclidean norm of the elements of x.
|
class |
ROT
Given two complex vectors x and y, each vector element of these vectors is replaced as follows: xi = c*xi +
s*yi yi = c*yi - s*xi
|
class |
ROTG
Given the Cartesian coordinates (a, b) of a point, these routines return the parameters c, s, r, and z
associated with the Givens rotation.
|
class |
ROTM
Given two vectors x and y, each vector element of these vectors is replaced as follows: for i=1 to n, where
H is a modified Givens transformation matrix whose values are stored in the param[1] through param[4]
array.
|
class |
ROTMG
Given Cartesian coordinates (x1, y1) of an input vector, these routines compute the components of a
modified Givens transformation matrix H that zeros the y-component of the resulting vector:
|
class |
SCAL
The ?scal routines perform a vector operation defined as x = a*x where: a is a scalar, x is an n-element
vector.
|
class |
SDOT
The ?sdot routines compute the inner product of two vectors with double precision.
|
class |
SWAP
Given two vectors x and y, the ?swap routines return vectors y and x swapped, each replacing the other.
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