diff options
| author | pault <pault@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-09-10 17:21:44 +0000 |
|---|---|---|
| committer | pault <pault@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-09-10 17:21:44 +0000 |
| commit | 609b676a0cc1eb91cb81290d9f0ec1d3f8b4a1f1 (patch) | |
| tree | 8042aa969d343b56b5ee82785eb2c28922abe06c /gcc/testsuite/gfortran.dg | |
| parent | 661b18fe408590a565864cf50c10a0bf308a662c (diff) | |
| download | gcc-609b676a0cc1eb91cb81290d9f0ec1d3f8b4a1f1.tar.gz | |
2006-09-10 Paul Thomas <pault@gcc.gnu.org>
PR libfortran/28947
* m4/matmul.m4: For the case where the second input argument is
transposed, ensure that the case with rank (a) == 1 is
correctly calculated.
* generated/matmul_r4.c: Regenerate.
* generated/matmul_r8.c: Regenerate.
* generated/matmul_r10.c: Regenerate.
* generated/matmul_r16.c: Regenerate.
* generated/matmul_c4.c: Regenerate.
* generated/matmul_c8.c: Regenerate.
* generated/matmul_c10.c: Regenerate.
* generated/matmul_c16.c: Regenerate.
* generated/matmul_i4.c: Regenerate.
* generated/matmul_i8.c: Regenerate.
* generated/matmul_i16.c: Regenerate.
2006-09-10 Paul Thomas <pault@gcc.gnu.org>
PR libfortran/28947
gfortran.dg/matmul_4.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116817 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gfortran.dg')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/matmul_4.f90 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/matmul_4.f90 b/gcc/testsuite/gfortran.dg/matmul_4.f90 new file mode 100644 index 00000000000..8bbaef934c1 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/matmul_4.f90 @@ -0,0 +1,22 @@ +! { dg-do run } +! Check the fix for PR28947, in which the mechanism for dealing +! with matmul (a, transpose (b)) would cause wrong results for +! a having a rank == 1. +! +! Contributed by Harald Anlauf <anlauf@gmx.de> +! +program gfcbug40 + implicit none + + real :: h(3,3), mat(2,3) + + h(:,:) = - HUGE (1.0)/4 ! Preset unused elements suitably... + + h(3,:) = 0 + h(3,3) = 1 + mat(:,:) = 1 + h(3,:) = h(3,:) + matmul (matmul (h(3,:), transpose (mat)), mat) + + if (any (h(3,:) .ne. (/2.0, 2.0, 3.0/))) call abort () + +end program gfcbug40 |