root / synthbench / euroben-dm / mod2cr / taylor.f @ 0:839f52ef7657
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Subroutine taylor( n1, n2, n3 ) |
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! ---------------------------------------------------------------------- |
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Use mpi_module |
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Implicit None |
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|
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Integer :: n1, n2, n3 |
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|
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Integer :: m, n12, ntot, nsize |
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! ---------------------------------------------------------------------- |
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n12 = n1*n2 |
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ntot = n12*n3 |
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m = sizes(me) |
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! ---------------------------------------------------------------------- |
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! --- Determine bounds for upper diagonals. |
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|
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la1 = 1 |
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ua1 = m |
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If ( me == ( nodes - 1 ) ) ua1 = ua1 - 1 |
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nsize = ntot - n1 |
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If ( glb > nsize ) Then |
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la2 = ntot + 1 !<-- Make lower bound so high that loop |
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Else ! never will execute. |
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la2 = 1 |
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End If |
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If ( nsize < gub ) Then |
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ua2 = nsize - glb |
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Else |
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ua2 = m |
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End If |
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nsize = ntot - n12 |
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If ( glb > nsize ) Then |
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la3 = ntot + 1 !<-- Make lower bound so high that loop |
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Else ! never will execute. |
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la3 = 1 |
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End If |
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If ( nsize < gub ) Then |
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ua3 = nsize - glb |
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Else |
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ua3 = m |
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End If |
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! ---------------------------------------------------------------------- |
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! --- Determine bounds for lower diagonals. |
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|
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lb1 = 1 |
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ub1 = m |
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If ( me == 0 ) lb1 = 2 |
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nsize = n1 |
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If ( glb > nsize ) Then |
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lb2 = 1 |
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Else |
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lb2 = nsize - glb + 1 |
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End If |
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If ( gub > nsize ) Then |
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ub2 = m |
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Else |
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ub2 = 0 !<-- Make upper bound so low that loop |
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End If ! will never execute. |
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nsize = n12 |
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If ( glb > nsize ) Then |
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lb3 = 1 |
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Else |
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lb3 = nsize - glb + 1 |
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End If |
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If ( gub > nsize ) Then |
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ub3 = m |
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Else |
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ub3 = 0 !<-- Make upper bound so low that loop |
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End If ! will never execute. |
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! ---------------------------------------------------------------------- |
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End Subroutine taylor |