public static long round (double a)

Returns the closest long to the argument, with ties rounding to positive infinity.

Special cases:

• If the argument is NaN, the result is 0.
• If the argument is negative infinity or any value less than or equal to the value of Long.MIN_VALUE, the result is equal to the value of Long.MIN_VALUE.
• If the argument is positive infinity or any value greater than or equal to the value of Long.MAX_VALUE, the result is equal to the value of Long.MAX_VALUE.

Parameters:

a

a floating-point value to be rounded to a long.

Returns:  the value of the argument rounded to the nearest long value.

See also:
java.lang.Long.MAX_VALUE, java.lang.Long.MIN_VALUE