strti2 - compute the inverse of a real upper or lower triangular matrix
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,*)
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
#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);
strti2 computes the inverse of a real upper or lower triangular matrix.
This is the Level 2 BLAS version of the algorithm.
= 'L': Lower triangular
= 'U': Unit triangular
On exit, the (triangular) inverse of the original matrix, in the same storage format.
= 0: successful exit
< 0: if INFO = -k, the k-th argument had an illegal value