97 lines
3.4 KiB
Plaintext
97 lines
3.4 KiB
Plaintext
! Copyright © 2019-2021 Dynare Team
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!
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! This file is part of Dynare.
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!
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! Dynare is free software: you can redistribute it and/or modify
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! it under the terms of the GNU General Public License as published by
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! the Free Software Foundation, either version 3 of the License, or
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! (at your option) any later version.
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!
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! Dynare is distributed in the hope that it will be useful,
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! but WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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! GNU General Public License for more details.
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!
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! You should have received a copy of the GNU General Public License
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! along with Dynare. If not, see <https://www.gnu.org/licenses/>.
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module blas
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use iso_fortran_env
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implicit none
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#if defined(MATLAB_MEX_FILE) && __SIZEOF_POINTER__ == 8
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integer, parameter :: blint = int64
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integer, parameter :: bllog = 8 ! Logical kind, gfortran-specific
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#else
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integer, parameter :: blint = int32
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integer, parameter :: bllog = 4 ! Logical kind, gfortran-specific
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#endif
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interface
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subroutine dgemm(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
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import :: blint, real64
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character, intent(in) :: transa, transb
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integer(blint), intent(in) :: m, n, k, lda, ldb, ldc
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real(real64), dimension(*), intent(in) :: a, b
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real(real64), intent(in) :: alpha, beta
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real(real64), dimension(*), intent(inout) :: c
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end subroutine dgemm
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end interface
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interface
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subroutine dgemv(trans, m, n, alpha, a, lda, x, incx, beta, y, incy)
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import :: blint, real64
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character, intent(in) :: trans
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integer(blint), intent(in) :: m, n, lda, incx, incy
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real(real64), dimension(*), intent(in) :: a, x
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real(real64), intent(in) :: alpha, beta
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real(real64), dimension(*), intent(inout) :: y
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end subroutine dgemv
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end interface
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end module blas
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module lapack
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use blas
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implicit none
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interface
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subroutine dgesv(n, nrhs, a, lda, ipiv, b, ldb, info)
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import :: blint, real64
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integer(blint), intent(in) :: n, nrhs, lda, ldb
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real(real64), dimension(*), intent(inout) :: a, b
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integer(blint), dimension(*), intent(out) :: ipiv
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integer(blint), intent(out) :: info
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end subroutine dgesv
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end interface
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interface
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subroutine dgges(jobvsl, jobvsr, sort, selctg, n, a, lda, b, ldb, sdim, &
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alphar, alphai, beta, vsl, ldvsl, vsr, ldvsr, work, lwork, bwork, &
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info)
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import :: blint, bllog, real64
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character, intent(in) :: jobvsl, jobvsr, sort
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interface
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logical(bllog) function selctg(alphar, alphai, beta)
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import :: bllog, real64
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real(real64), intent(in) :: alphar, alphai, beta
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end function selctg
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end interface
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integer(blint), intent(in) :: n, lda, ldb, ldvsl, ldvsr, lwork
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real(real64), dimension(*), intent(inout) :: a, b
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real(real64), dimension(*), intent(out) :: alphar, alphai, beta, vsl, vsr, work
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logical(bllog), dimension(*), intent(out) :: bwork
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integer(blint), intent(out) :: sdim, info
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end subroutine dgges
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end interface
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interface
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subroutine dpotrf(uplo, n, a, lda, info)
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import :: blint, real64
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character, intent(in) :: uplo
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integer(blint), intent(in) :: n, lda
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real(real64), dimension(*), intent(inout) :: a
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integer(blint), intent(out) :: info
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end subroutine dpotrf
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end interface
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end module lapack
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