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silent overflow when converting float64 to int32 #2343

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mschauer opened this issue Feb 17, 2013 · 2 comments
Closed

silent overflow when converting float64 to int32 #2343

mschauer opened this issue Feb 17, 2013 · 2 comments
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bug Indicates an unexpected problem or unintended behavior
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0.2

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@mschauer
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i get a silent overflow when converting float64 to int32
julia> convert(Int32, 2.0^32-1)
-1
@pao
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pao commented Feb 17, 2013

Related to #855. The intrinsics exist to make this an optionally checked operation, but I don't think they're hooked up to anything yet.

@JeffBezanson
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As of now, Float{32,64}->Int64 and Float32->Int32 are properly checked, but Float64->Int32 is not.

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@pao @JeffBezanson @mschauer