[petsc-dev] make check fortran warnings for complex single 64idx

[Smith, Barry F.]

   We have to live with these warnings.

    Barry


> On Apr 11, 2018, at 10:17 AM, Vaclav Hapla <vaclav.hapla at erdw.ethz.ch> wrote:
> 
> Hello
> 
> I just compiled current master with
>    '--with-precision=single',
>    '--with-scalar-type=complex',
>    '--with-64-bit-indices',
> 
> configure and make work, but 'make check' throws some warnings regarding src/snes/examples/tutorials/ex5f.F90, see below.
> 
> mpifort —version
> says
> GNU Fortran (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 
> I'm not much into Fortran - can you see what's going wrong?
> 
> Vaclav
> 
> 
> 
> C/C++ example src/snes/examples/tutorials/ex19 run successfully with 2 MPI processes
> *******************Error detected during compile or link!*******************
> See http://www.mcs.anl.gov/petsc/documentation/faq.html
> /home/vhapla/petsc/src/snes/examples/tutorials ex5f
> *********************************************************
> mpifort -c -fPIC -Wall -ffree-line-length-0 -Wno-unused-dummy-argument -g    -I/home/vhapla/petsc/include -I/home/vhapla/petsc/arch-linux-gcc-complex-single-64idx/include -I/home/vhapla/include    -o ex5f.o ex5f.F90
> ex5f.F90:289:17:
> 
>          temp = (min(j-1,my-j))*hy
>                 1
> Warning: Possible change of value in conversion from INTEGER(8) to REAL(4) at (1) [-Wconversion]
> ex5f.F90:294:43:
> 
>               x(i,j) = temp1 * sqrt(min(min(i-1,mx-i)*hx,(temp)))
>                                           1
> Warning: Possible change of value in conversion from INTEGER(8) to REAL(4) at (1) [-Wconversion]
> ex5f.h:29:21:
> 
>       common /params/ lambda,mx,my
>                     1
> Warning: Padding of 4 bytes required before ‘mx’ in COMMON ‘params’ at (1); reorder elements or use -fno-align-commons
> ex5f.h:29:21:
> 
>       common /params/ lambda,mx,my
>                     1
> Warning: Padding of 4 bytes required before ‘mx’ in COMMON ‘params’ at (1); reorder elements or use -fno-align-commons
> ex5f.h:29:21:
> 
>       common /params/ lambda,mx,my
>                     1
> Warning: Padding of 4 bytes required before ‘mx’ in COMMON ‘params’ at (1); reorder elements or use -fno-align-commons
> ex5f.h:29:21:
> 
>       common /params/ lambda,mx,my
>                     1
> Warning: Padding of 4 bytes required before ‘mx’ in COMMON ‘params’ at (1); reorder elements or use -fno-align-commons
> ex5f.h:29:21:
> 
>       common /params/ lambda,mx,my
>                     1
> Warning: Padding of 4 bytes required before ‘mx’ in COMMON ‘params’ at (1); reorder elements or use -fno-align-commons
>