! Copyright 2019 Wojciech Kosior ! This is free and unencumbered software released into the public domain. ! Anyone is free to copy, modify, publish, use, compile, sell, or ! distribute this software, either in source code form or as a compiled ! binary, for any purpose, commercial or non-commercial, and by any ! means. ! In jurisdictions that recognize copyright laws, the author or authors ! of this software dedicate any and all copyright interest in the ! software to the public domain. We make this dedication for the benefit ! of the public at large and to the detriment of our heirs and ! successors. We intend this dedication to be an overt act of ! relinquishment in perpetuity of all present and future rights to this ! software under copyright law. ! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ! EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ! MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. ! IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR ! OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ! ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR ! OTHER DEALINGS IN THE SOFTWARE. ! For more information, please refer to MODULE bettmat IMPLICIT none PRIVATE PUBLIC :: bettmull PRIVATE :: bettmull_4, bettmull_8, bettmull_16 INTERFACE bettmull procedure bettmull_4, bettmull_8, bettmull_16 END INTERFACE bettmull CONTAINS FUNCTION bettmull_4(A, B) result(C) IMPLICIT none real(kind=4), intent(in), dimension(1:,1:) :: A, B real(kind=4), dimension(:,:), allocatable :: C integer :: i, j, k allocate(C(size(A, 1), size(B, 2))) C = 0 DO j = 1, size(B, 2) DO k = 1, size(A, 2) DO i = 1, size(A, 1) C(i,j) = C(i,j) + A(i,k) * B(k,j) END DO END DO END DO END FUNCTION bettmull_4 FUNCTION bettmull_8(A, B) result(C) IMPLICIT none real(kind=8), intent(in), dimension(1:,1:) :: A, B real(kind=8), dimension(:,:), allocatable :: C integer :: i, j, k allocate(C(size(A, 1), size(B, 2))) C = 0 DO j = 1, size(B, 2) DO k = 1, size(A, 2) DO i = 1, size(A, 1) C(i,j) = C(i,j) + A(i,k) * B(k,j) END DO END DO END DO END FUNCTION bettmull_8 FUNCTION bettmull_16(A, B) result(C) IMPLICIT none real(kind=16), intent(in), dimension(1:,1:) :: A, B real(kind=16), dimension(:,:), allocatable :: C integer :: i, j, k allocate(C(size(A, 1), size(B, 2))) C = 0 DO j = 1, size(B, 2) DO k = 1, size(A, 2) DO i = 1, size(A, 1) C(i,j) = C(i,j) + A(i,k) * B(k,j) END DO END DO END DO END FUNCTION bettmull_16 END MODULE bettmat