Returns true if this number is equal to the argument.
Finite numbers are equal if they are numerically equal
to the current precision.
Infinities are equal if they have the same sign.
Zeros are equal regardless of sign.
A NaN is not equal to any number, not even to another NaN.
A number is not even equal to itself (this != this) if it is a NaN.
Returns true if this number is equal to the argument. Finite numbers are equal if they are numerically equal to the current precision. Infinities are equal if they have the same sign. Zeros are equal regardless of sign. A NaN is not equal to any number, not even to another NaN. A number is not even equal to itself (this != this) if it is a NaN.