29 lines
849 B
Fortran
29 lines
849 B
Fortran
! Check that we correctly simplify ISNAN
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!
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! { dg-do compile }
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!
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! { dg-options "-fno-range-check" }
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! { dg-add-options ieee }
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! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } }
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implicit none
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real, parameter :: inf = 2 * huge(inf)
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real, parameter :: nan1 = 0. / 0.
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real, parameter :: nan2 = 1.5 * nan1
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real, parameter :: nan3 = inf / inf
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real, parameter :: nan4 = inf - inf
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real, parameter :: nan5 = 0. * inf
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real, parameter :: normal = 42.
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integer(kind=merge(4, 0, isnan(nan1))) :: a
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integer(kind=merge(4, 0, isnan(nan2))) :: b
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integer(kind=merge(4, 0, isnan(nan3))) :: c
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integer(kind=merge(4, 0, isnan(nan4))) :: d
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integer(kind=merge(4, 0, isnan(nan5))) :: e
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integer(kind=merge(0, 4, isnan(inf))) :: f
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integer(kind=merge(0, 4, isnan(-inf))) :: g
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integer(kind=merge(0, 4, isnan(normal))) :: h
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end
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