modern Fortran
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@ -279,9 +279,12 @@ real(pReal) pure function math_LeviCivita(i,j,k)
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integer, intent(in) :: i,j,k
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integer, intent(in) :: i,j,k
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if (all([i,j,k] == [1,2,3]) .or. all([i,j,k] == [2,3,1]) .or. all([i,j,k] == [3,1,2])) then
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integer :: o
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if (any([(all(cshift([i,j,k],o) == [1,2,3]),o=0,2)])) then
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math_LeviCivita = +1.0_pReal
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math_LeviCivita = +1.0_pReal
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elseif (all([i,j,k] == [3,2,1]) .or. all([i,j,k] == [2,1,3]) .or. all([i,j,k] == [1,3,2])) then
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elseif (any([(all(cshift([i,j,k],o) == [3,2,1]),o=0,2)])) then
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math_LeviCivita = -1.0_pReal
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math_LeviCivita = -1.0_pReal
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else
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else
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math_LeviCivita = 0.0_pReal
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math_LeviCivita = 0.0_pReal
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