NAME

strti2 - compute the inverse of a real upper or lower triangular matrix


SYNOPSIS

  SUBROUTINE STRTI2( UPLO, DIAG, N, A, LDA, INFO)
  CHARACTER * 1 UPLO, DIAG
  INTEGER N, LDA, INFO
  REAL A(LDA,*)
  SUBROUTINE STRTI2_64( UPLO, DIAG, N, A, LDA, INFO)
  CHARACTER * 1 UPLO, DIAG
  INTEGER*8 N, LDA, INFO
  REAL A(LDA,*)

F95 INTERFACE

  SUBROUTINE TRTI2( UPLO, DIAG, [N], A, [LDA], [INFO])
  CHARACTER(LEN=1) :: UPLO, DIAG
  INTEGER :: N, LDA, INFO
  REAL, DIMENSION(:,:) :: A
  SUBROUTINE TRTI2_64( UPLO, DIAG, [N], A, [LDA], [INFO])
  CHARACTER(LEN=1) :: UPLO, DIAG
  INTEGER(8) :: N, LDA, INFO
  REAL, DIMENSION(:,:) :: A

C INTERFACE

#include <sunperf.h>

void strti2(char uplo, char diag, int n, float *a, int lda, int *info);

void strti2_64(char uplo, char diag, long n, float *a, long lda, long *info);


PURPOSE

strti2 computes the inverse of a real upper or lower triangular matrix.

This is the Level 2 BLAS version of the algorithm.


ARGUMENTS