zpotri - compute the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF
SUBROUTINE ZPOTRI( UPLO, N, A, LDA, INFO) CHARACTER * 1 UPLO DOUBLE COMPLEX A(LDA,*) INTEGER N, LDA, INFO
SUBROUTINE ZPOTRI_64( UPLO, N, A, LDA, INFO) CHARACTER * 1 UPLO DOUBLE COMPLEX A(LDA,*) INTEGER*8 N, LDA, INFO
SUBROUTINE POTRI( UPLO, [N], A, [LDA], [INFO]) CHARACTER(LEN=1) :: UPLO COMPLEX(8), DIMENSION(:,:) :: A INTEGER :: N, LDA, INFO
SUBROUTINE POTRI_64( UPLO, [N], A, [LDA], [INFO]) CHARACTER(LEN=1) :: UPLO COMPLEX(8), DIMENSION(:,:) :: A INTEGER(8) :: N, LDA, INFO
#include <sunperf.h>
void zpotri(char uplo, int n, doublecomplex *a, int lda, int *info);
void zpotri_64(char uplo, long n, doublecomplex *a, long lda, long *info);
zpotri computes the inverse of a complex Hermitian positive definite matrix A using the Cholesky factorization A = U**H*U or A = L*L**H computed by CPOTRF.
= 'U': Upper triangle of A is stored;
= 'L': Lower triangle of A is stored.
= 0: successful exit
< 0: if INFO = -i, the i-th argument had an illegal value
> 0: if INFO = i, the (i,i) element of the factor U or L is zero, and the inverse could not be computed.