f06zaf performs one of the matrix-matrix operations
where
,
and
are complex matrices, and
and
are complex scalars;
is always
.
None.
None.
-
1:
– Character(1)
Input
-
On entry: specifies whether the operation involves
,
or
.
- The operation involves .
- The operation involves .
- The operation involves .
Constraint:
, or .
-
2:
– Character(1)
Input
-
On entry: specifies whether the operation involves
,
or
.
- The operation involves .
- The operation involves .
- The operation involves .
Constraint:
, or .
-
3:
– Integer
Input
-
On entry: , the number of rows of the matrix ; the number of rows of if , or the number of columns of if or .
Constraint:
.
-
4:
– Integer
Input
-
On entry: , the number of columns of the matrix ; the number of columns of if , or the number of rows of if or .
Constraint:
.
-
5:
– Integer
Input
-
On entry: , the number of columns of if , or the number of rows of if or ; the number of rows of if , or the number of columns of if or .
Constraint:
.
-
6:
– Complex (Kind=nag_wp)
Input
-
On entry: the scalar .
-
7:
– Complex (Kind=nag_wp) array
Input
-
Note: the second dimension of the array
a
must be at least
if
and at least
if
or
.
On entry: the matrix ; is if , or if or .
-
8:
– Integer
Input
-
On entry: the first dimension of the array
a as declared in the (sub)program from which
f06zaf is called.
Constraints:
- if , ;
- if or , .
-
9:
– Complex (Kind=nag_wp) array
Input
-
Note: the second dimension of the array
b
must be at least
if
and at least
if
or
.
On entry: the matrix ; is if , or if or .
-
10:
– Integer
Input
-
On entry: the first dimension of the array
b as declared in the (sub)program from which
f06zaf is called.
Constraints:
- if , ;
- if or , .
-
11:
– Complex (Kind=nag_wp)
Input
-
On entry: the scalar .
-
12:
– Complex (Kind=nag_wp) array
Input/Output
-
Note: the second dimension of the array
c
must be at least
.
On entry: the
matrix
.
If
,
c need not be set.
On exit: the updated matrix .
-
13:
– Integer
Input
-
On entry: the first dimension of the array
c as declared in the (sub)program from which
f06zaf is called.
Constraint:
.
None.
Not applicable.
Background information to multithreading can be found in the
Multithreading documentation.
Please consult the
X06 Chapter Introduction for information on how to control and interrogate the OpenMP environment used within this routine. Please also consult the
Users' Note for your implementation for any additional implementation-specific information.
None.
None.