1! { dg-do run } 2! { dg-options "-fdump-tree-original" } 3! 4! PR fortran/56318 5! 6! Contributed by Alberto Luaces 7! 8SUBROUTINE mass_matrix 9 DOUBLE PRECISION,PARAMETER::m1=1.d0 10 DOUBLE PRECISION,DIMENSION(3,2),PARAMETER::A1=reshape([1.d0,0.d0, 0.d0, & 11 0.d0,1.d0, 0.d0],[3,2]) 12 DOUBLE PRECISION,DIMENSION(2,2),PARAMETER::Mel=reshape([1.d0/3.d0, 0.d0, & 13 0.d0, 1.d0/3.d0],[2,2]) 14 15 DOUBLE PRECISION,DIMENSION(3,3)::MM1 16 17 MM1=m1*matmul(A1,matmul(Mel,transpose(A1))) 18 !print '(3f8.3)', MM1 19 if (any (abs (MM1 & 20 - reshape ([1.d0/3.d0, 0.d0, 0.d0, & 21 0.d0, 1.d0/3.d0, 0.d0, & 22 0.d0, 0.d0, 0.d0], & 23 [3,3])) > epsilon(1.0d0))) & 24 call abort () 25END SUBROUTINE mass_matrix 26 27program name 28 implicit none 29 integer, parameter :: A(3,2) = reshape([1,2,3,4,5,6],[3,2]) 30 integer, parameter :: B(2,3) = reshape([3,17,23,31,43,71],[2,3]) 31 integer, parameter :: C(3) = [-5,-7,-21] 32 integer, parameter :: m1 = 1 33 34! print *, matmul(B,C) 35 if (any (matmul(B,C) /= [-1079, -1793])) call abort() 36! print *, matmul(C,A) 37 if (any (matmul(C,A) /= [-82, -181])) call abort() 38! print '(3i5)', m1*matmul(A,B) 39 if (any (m1*matmul(A,B) /= reshape([71,91,111, 147,201,255, 327,441,555],& 40 [3,3]))) & 41 call abort() 42 call mass_matrix 43end program name 44 45! { dg-final { scan-tree-dump-times "matmul" 0 "original" } } 46! { dg-final { cleanup-tree-dump "original" } } 47 48