# min(NaN, 1.0) should return NaN

**URL:** <https://discourse.julialang.org/t/min-nan-1-0-should-return-nan/2741>\
**Category:** General Usage\
**Tags:** question\
**Created:** [March 17, 2017, 9:03pm UTC](https://discourse.julialang.org/t/min-nan-1-0-should-return-nan/2741 "2017-03-17T21:03:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![e3c6](https://avatars.discourse-cdn.com/v4/letter/e/e79b87/32.png) [@e3c6](https://discourse.julialang.org/u/e3c6)\
**Post date:** [March 17, 2017, 9:03pm UTC](https://discourse.julialang.org/t/min-nan-1-0-should-return-nan/2741/1 "2017-03-17T21:03:00Z")

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Currently `min(NaN, 1.0)` returns `1.0`. I think this is very unsafe. Is there a reason for this?

I feel strongly that `min(NaN, 1.0)` should return `NaN` instead.

The same applies to `max` and related functions, of course.

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**Author:** ![mauro3](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mauro3/32/292_2.png) [@mauro3](https://discourse.julialang.org/u/mauro3)\
**Post date:** [March 17, 2017, 9:05pm UTC](https://discourse.julialang.org/t/min-nan-1-0-should-return-nan/2741/2 "2017-03-17T21:05:01Z")

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[https://github.com/JuliaLang/julia/issues/7866](https://github.com/JuliaLang/julia/issues/7866)

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**Author:** ![e3c6](https://avatars.discourse-cdn.com/v4/letter/e/e79b87/32.png) [@e3c6](https://discourse.julialang.org/u/e3c6)\
**Post date:** [March 17, 2017, 9:05pm UTC](https://discourse.julialang.org/t/min-nan-1-0-should-return-nan/2741/3 "2017-03-17T21:05:38Z")

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so it will be fixed in v6.0…