-
add(num b)
→ double
-
Available on num?,
provided by the NumExten extension
两个数相加（防止精度丢失）
-
divide(num b)
→ double
-
Available on num?,
provided by the NumExten extension
两个数相除（防止精度丢失）
-
isEqual(num b)
→ bool
-
Available on num?,
provided by the NumExten extension
判断a是否等于b
-
isGreaterOrEqual(num b)
→ bool
-
Available on num?,
provided by the NumExten extension
判断a是否大于等于b
-
isGreaterThan(num b)
→ bool
-
Available on num?,
provided by the NumExten extension
判断a是否大于b
-
isLessOrEqual(num b)
→ bool
-
Available on num?,
provided by the NumExten extension
判断a是否小于或者等于b
-
isLessThan(num b)
→ bool
-
Available on num?,
provided by the NumExten extension
判断a是否小于b
-
isZero()
→ bool
-
Available on num?,
provided by the NumExten extension
判断是否是否是0
-
multi(num b)
→ double
-
Available on num?,
provided by the NumExten extension
两个数相乘（防止精度丢失）
-
remainder(num b)
→ Decimal
-
Available on num?,
provided by the NumExten extension
余数
-
sub(num b)
→ double
-
Available on num?,
provided by the NumExten extension
两个数相减（防止精度丢失）
