NAME

ztrtri - compute the inverse of a complex upper or lower triangular matrix A


SYNOPSIS

  SUBROUTINE ZTRTRI( UPLO, DIAG, N, A, LDA, INFO)
  CHARACTER * 1 UPLO, DIAG
  DOUBLE COMPLEX A(LDA,*)
  INTEGER N, LDA, INFO
  SUBROUTINE ZTRTRI_64( UPLO, DIAG, N, A, LDA, INFO)
  CHARACTER * 1 UPLO, DIAG
  DOUBLE COMPLEX A(LDA,*)
  INTEGER*8 N, LDA, INFO

F95 INTERFACE

  SUBROUTINE TRTRI( UPLO, DIAG, [N], A, [LDA], [INFO])
  CHARACTER(LEN=1) :: UPLO, DIAG
  COMPLEX(8), DIMENSION(:,:) :: A
  INTEGER :: N, LDA, INFO
  SUBROUTINE TRTRI_64( UPLO, DIAG, [N], A, [LDA], [INFO])
  CHARACTER(LEN=1) :: UPLO, DIAG
  COMPLEX(8), DIMENSION(:,:) :: A
  INTEGER(8) :: N, LDA, INFO

C INTERFACE

#include <sunperf.h>

void ztrtri(char uplo, char diag, int n, doublecomplex *a, int lda, int *info);

void ztrtri_64(char uplo, char diag, long n, doublecomplex *a, long lda, long *info);


PURPOSE

ztrtri computes the inverse of a complex upper or lower triangular matrix A.

This is the Level 3 BLAS version of the algorithm.


ARGUMENTS