| ! { dg-do run } |
| ! { dg-options "-fdump-tree-original" } |
| ! |
| ! PR fortran/56318 |
| ! |
| ! Contributed by Alberto Luaces |
| ! |
| SUBROUTINE mass_matrix |
| DOUBLE PRECISION,PARAMETER::m1=1.d0 |
| DOUBLE PRECISION,DIMENSION(3,2),PARAMETER::A1=reshape([1.d0,0.d0, 0.d0, & |
| 0.d0,1.d0, 0.d0],[3,2]) |
| DOUBLE PRECISION,DIMENSION(2,2),PARAMETER::Mel=reshape([1.d0/3.d0, 0.d0, & |
| 0.d0, 1.d0/3.d0],[2,2]) |
| |
| DOUBLE PRECISION,DIMENSION(3,3)::MM1 |
| |
| MM1=m1*matmul(A1,matmul(Mel,transpose(A1))) |
| !print '(3f8.3)', MM1 |
| if (any (abs (MM1 & |
| - reshape ([1.d0/3.d0, 0.d0, 0.d0, & |
| 0.d0, 1.d0/3.d0, 0.d0, & |
| 0.d0, 0.d0, 0.d0], & |
| [3,3])) > epsilon(1.0d0))) & |
| call abort () |
| END SUBROUTINE mass_matrix |
| |
| program name |
| implicit none |
| integer, parameter :: A(3,2) = reshape([1,2,3,4,5,6],[3,2]) |
| integer, parameter :: B(2,3) = reshape([3,17,23,31,43,71],[2,3]) |
| integer, parameter :: C(3) = [-5,-7,-21] |
| integer, parameter :: m1 = 1 |
| |
| ! print *, matmul(B,C) |
| if (any (matmul(B,C) /= [-1079, -1793])) call abort() |
| ! print *, matmul(C,A) |
| if (any (matmul(C,A) /= [-82, -181])) call abort() |
| ! print '(3i5)', m1*matmul(A,B) |
| if (any (m1*matmul(A,B) /= reshape([71,91,111, 147,201,255, 327,441,555],& |
| [3,3]))) & |
| call abort() |
| call mass_matrix |
| end program name |
| |
| ! { dg-final { scan-tree-dump-times "matmul" 0 "original" } } |
| ! { dg-final { cleanup-tree-dump "original" } } |
| |
