tr_infm_i(3PI) Sun Interval Performance Library tr_infm_i(3PI)NAMEtr_infm_i - Left endpoint of an interval matrix.
DESCRIPTION
C = INF(A)
The routine TR_INFM_I finds the real matrix C such that
Cij = INF(Aij) for all triangular interval matrix A entries. The rou‐
tine returns immediately if N is equal to zero.
SYNOPSIS
SUBROUTINE TR_INFM_I( A, C [, UPLO] [, DIAG] )
INTERVAL, INTENT(IN) :: A(:,:)
REAL, INTENT(OUT) :: C(:,:)
TYPE(blas_uplo_type), INTENT(IN), OPTIONAL :: UPLO
TYPE(blas_diag_type), INTENT(IN), OPTIONAL :: DIAG
where
A and C have shape (N,N).
ARGUMENTS
A (input)
Array of DIMENSION (N,N).
Unchanged on exit.
C (output)
Array of DIMENSION (N,N).
On exit, contains INF(Aij) for all A entries.
UPLO(input)
Scalar element.
Specifies if the matrix operand is an upper
or lower tringular part of the matrix.
Possible values:
UPLO = blas_upper (default)
UPLO = blas_lower
Unchanged on exit.
DIAG (input)
Scalar element.
Specifies whether or not the matrix operand
has unit diagonal entries.
Possible values:
DIAG = blas_non_unit_diag (default)
DIAG = blas_unit_diag
Unchanged on exit.
ERRORS
blas_error_alloc
A or C is unallocated array
blas_error_shape
shape(A) /= shape(C)
6 Mar 2009 tr_infm_i(3PI)