NumUtils class
Properties
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
toString()
→ String
-
A string representation of this object.
inherited
Static Methods
-
add(num a, num b)
→ Decimal
-
加 (精确相加,防止精度丢失).
-
addStr(String a, String b)
→ Decimal
-
两个数相加（防止精度丢失）
-
divide(num a, num b)
→ Rational
-
除 (精确相除,防止精度丢失).
-
divideStr(String a, String b)
→ Rational
-
除
-
isEqualStr(String a, String b)
→ bool
-
判断a是否等于b
-
isGreaterOrEqualStr(String a, String b)
→ bool
-
判断a是否大于等于b
-
isGreaterThanStr(String a, String b)
→ bool
-
判断a是否大于b
-
isLessOrEqualStr(String a, String b)
→ bool
-
判断a是否小于或者等于b
-
isLessThanStr(String a, String b)
→ bool
-
判断a是否小于b
-
multi(num a, num b)
→ Decimal
-
乘 (精确相乘,防止精度丢失).
-
multiStr(String a, String b)
→ Decimal
-
乘
-
remainder(num a, num b)
→ Decimal
-
余数
-
remainderStr(String a, String b)
→ Decimal
-
余数
-
sub(num a, num b)
→ Decimal
-
减 (精确相减,防止精度丢失).
-
subStr(String a, String b)
→ Decimal
-
减
