truncate : Java Glossary

by Roedy Green ©1996-2008 Canadian Mind Products
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truncate

To take a float or double and want the corresponding integer (possibly as a float, double, int or long) there are four basic algorithms you might use: round, ceil, floor or truncate. With truncate the numbers are always rounded down toward zero. Use i = (int)d;

value	truncate
-1.6	-1
-1.5	-1
-1.4	-1
+1.4	+1
+1.5	+1
+1.6	+1

ceil
division
floating point
floor
modulus
round

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