[CPMD-list] cpmd2cube crosscompilation

[Eric VERFAILLIE]

Hello,
I have done some calculation on Wannier functions on SiO2 on a NEC-SX6 with cross
compilation (modification of earth simulator makefile). I hadn't got any problem but the
binary format of WANNIER_1* files can't be read on linux PC whith cpm2cube even with the
F_UFMTENDIAN variable.

My system is too big to be run on a single processor.

I tried to cross compil cpmd2cube but with any results.

Is there any solutions.

i know that i can compil cpmd with -conversion big_endian but it doesn't work on cross
compilation.
i have done a F90 program in order to know if 
F_UFMTENDIAN work and it does


program essai
real   cc4
real   cc8
real   c4
real   c8
c4 = 456.456
c8 = 789.789

!  prepare little endian representation of data

open(11,file='lit.tmp',form='unformatted')
write(11) c8
write(11) c4
close(11)

!  prepare big endian representation of data

open(10,file='big.tmp',form='unformatted')
write(10) c8
write(10) c4
close(10)

!  read big endian data and operate with them on
!  little endian machine

open(100,file='big.tmp',form='unformatted')
read(100) cc8
read(100) cc4

write (1,*) cc8,cc4
!    Any operation with data, which have been read

!    . . .
close(100)
stop
end program essai


with F_UFMTENDIAN=10,100
i've got
od -t x4 lit.tmp
0000000 04000000 7f724544 04000000 04000000
0000020 5e3ae443 04000000
0000030
od -t x4 big.tmp
0000000 00000004 4445727f 00000004 00000004
0000020 43e43a5e 00000004
0000030

and even with that i can't read the WANNIER_1* files with cpmd2cube whith or not
convertion in big_endian during compilation.


Regards
VERFAILLIE ERIC




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01001101001011100010000001010110011001010111001001100110
01100001011010010110110001101100011010010110010100100000
010001010111001001101001011000110000110100001010

0111100101101111011101010010011101110010011001010010000001110111
0110010101101100011000110110111101101101011001010000110100001010


	

	
		
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