public interface lanhb
LANHB returns the value of the one norm, or the Frobenius norm, or
the infinity norm, or the element of largest absolute value of an
n by n hermitian band matrix A, with k super-diagonals.
Functions
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
norm |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
k |
|
|
complex(kind=sp),
|
intent(in) |
|
|
:: |
ab(ldab,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldab |
|
|
real(kind=sp),
|
intent(out) |
|
|
:: |
work(*) |
|
Return Value
real(kind=sp)
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
norm |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
k |
|
|
complex(kind=dp),
|
intent(in) |
|
|
:: |
ab(ldab,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldab |
|
|
real(kind=dp),
|
intent(out) |
|
|
:: |
work(*) |
|
Return Value
real(kind=dp)
Module Procedures