gcc/testsuite/gfortran.dg/matmul_bounds_1.f90

   1 ! { dg-do compile }
   2 program matmul_bounds_1
   3   implicit none
   4   real, dimension(3,2) :: a
   5   real, dimension(2,3) :: b
   6   real, dimension(3,2) :: rab
   7   real, dimension(2,2) :: rok
   8   real, dimension(2) :: rv
   9   real, dimension(3) :: rw
  10   real, dimension(3) :: x
  11   real, dimension(2) :: y
  12   a = 1
  13   b = 2
  14   x = 3
  15   y = 4
  16   ! These tests should throw an error
  17   rab = matmul(a,b) ! { dg-error "Different shape" }
  18   rv = matmul(a,y) ! { dg-error "Different shape" }
  19   rv = matmul(x,b) ! { dg-error "Different shape" }
  20   ! These are ok.
  21   rw = matmul(a,y)
  22   rv = matmul(x,a)
  23   rok = matmul(b,a)
  24 end program matmul_bounds_1
  25