Commit0f37c41

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FIX: force format_eng(-0.0) to be consistent with format_eng(0)

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Original file line number	Diff line number	Diff line change
`@@ -1117,6 +1117,10 @@ def format_eng(self, num):`
`1117`	`1117`	`pow10=decimal.Decimal(int(math.floor(dnum.log10()/3)*3))`
`1118`	`1118`	`else:`
`1119`	`1119`	`pow10=decimal.Decimal(0)`
	`1120`	`+# Force dnum to zero, to avoid inconsistencies like`
	`1121`	`+# format_eng(-0) = "0" and format_eng(0.0) = "0"`
	`1122`	`+# but format_eng(-0.0) = "-0.0"`
	`1123`	`+dnum=decimal.Decimal(0)`
`1120`	`1124`
`1121`	`1125`	`pow10=pow10.min(max(self.ENG_PREFIXES.keys()))`
`1122`	`1126`	`pow10=pow10.max(min(self.ENG_PREFIXES.keys()))`

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