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25 lines
508 B
25 lines
508 B
! minimal Scalapack demo |
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implicit none |
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integer :: ictxt, myid, nprocs, mycol, myrow, npcol, nprow |
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real :: eps |
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real, external :: pslamch |
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! arbitrary test parameters |
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npcol = 2 |
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nprow = 2 |
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call blacs_pinfo(myid, nprocs) |
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call blacs_get(-1, 0, ictxt) |
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call blacs_gridinit(ictxt, "C", nprocs, 1) |
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call blacs_gridinfo(ictxt, nprow, npcol, myrow, mycol) |
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eps = pslamch(ictxt, 'E') |
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if(myrow == mycol) print '(A, F10.6)', "OK: Scalapack Fortran eps=", eps |
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call blacs_gridexit(ictxt) |
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call blacs_exit(0) |
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end program
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