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Fix #78238: BCMath returns "-0" #7250

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Fix #78238: BCMath returns "-0" #7250

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@cmb69 cmb69 commented Jul 16, 2021

There is no negative zero in the decimal system, so we must suppress
the sign.

There is no negative zero in the decimal system, so we must suppress
the sign.
@cmb69 cmb69 added the Bug label Jul 16, 2021
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I was on the fence about this, but after seeing that bcmath explicitly converts a "-0" input to "0" in

if (bc_is_zero (*num))
(*num)->n_sign = PLUS;
it makes sense to me to do the same for output as well.

@cmb69 cmb69 closed this in bcb89c7 Jul 16, 2021
@cmb69 cmb69 deleted the cmb/78238 branch July 16, 2021 14:03
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