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There is no negative zero in the decimal system, so we must suppress the sign.
nikic
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Jul 16, 2021
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nikic
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I was on the fence about this, but after seeing that bcmath explicitly converts a "-0" input to "0" in
php-src/ext/bcmath/libbcmath/src/str2num.c
Lines 108 to 109 in a733b1a
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There is no negative zero in the decimal system, so we must suppress
the sign.