diff options
Diffstat (limited to 'src/lapack.F90')
| -rw-r--r-- | src/lapack.F90 | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/src/lapack.F90 b/src/lapack.F90 index 5bcd70b..cbe41b6 100644 --- a/src/lapack.F90 +++ b/src/lapack.F90 @@ -6,6 +6,10 @@ module lapack implicit none public + ! ev: eigenvalues + ! ge (general), gg (generalised eigenvalues), sb (symmetric banded), + ! sp (symmetric packed), st (symmetric tridiagonal), sy (symmetric) + interface geev subroutine sgeev (jobvl, jobvr, n, a, lda, wr, wi, vl, ldvl, vr, & & ldvr, work, lwork, info) @@ -22,7 +26,28 @@ module lapack & wi(n), work(lwork), wr(n) end subroutine dgeev end interface - + + interface syev + subroutine ssyev (jobz, uplo, n, a, lda, w, work, lwork, info) + character jobz, uplo + integer info, lda, lwork, n + real a(lda,n), w(n), work(lwork) + end subroutine ssyev + subroutine dsyev (jobz, uplo, n, a, lda, w, work, lwork, info) + character jobz, uplo + integer info, lda, lwork, n + double precision a(lda,n), w(n), work(lwork) + end subroutine dsyev + end interface + + + + ! sv: solve + ! gb (general banded), ge (general), gt (general tridiagonal), + ! pb (symmetric positive banded), po (symmetric positive), + ! pp (symmetric positive packed), pt (symmetric positive tridiagonal), + ! sp (symmetric packed), sy (symmetric) + interface gesv subroutine sgesv (n, nrhs, a, lda, ipiv, b, ldb, info) implicit none @@ -47,5 +72,61 @@ module lapack integer info end subroutine dgesv end interface + + interface posv + subroutine sposv (uplo, n, nrhs, a, lda, b, ldb, info) + implicit none + character uplo + integer n + integer nrhs + integer lda + real a(lda,n) + integer ldb + real b(ldb,nrhs) + integer info + end subroutine sposv + subroutine dposv (uplo, n, nrhs, a, lda, b, ldb, info) + implicit none + character uplo + integer n + integer nrhs + integer lda + double precision a(lda,n) + integer ldb + double precision b(ldb,nrhs) + integer info + end subroutine dposv + end interface + + interface sysv + subroutine ssysv (uplo, n, nrhs, a, lda, ipiv, b, ldb, work, lwork, info) + implicit none + character uplo + integer n + integer nrhs + integer lda + real a(lda,n) + integer ipiv(n) + integer ldb + real b(ldb,nrhs) + integer lwork + real work(lwork) + integer info + end subroutine ssysv + subroutine dsysv (uplo, n, nrhs, a, lda, ipiv, b, ldb, work, lwork, info) + implicit none + character uplo + integer n + integer nrhs + integer lda + double precision a(lda,n) + integer ipiv(n) + integer ldb + double precision b(ldb,nrhs) + integer lwork + double precision work(lwork) + integer info + end subroutine dsysv + end interface end module lapack |