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Base class for the family of Rogue Wave decimal classes. More...
#include <rw/tools/decbase.h>
Public Types | |
enum | RoundingMethod { PLAIN, UP, DOWN, BANKERS, TRUNCATE } |
enum | Op { assign, add, sub, mult, div, powop, pow10op, conversion } |
The base class for the different RWDecimal classes. This class provides the definition of enums used in the derived classes and in the related classes RWDecimalInexactErr and RWDecimalOverflowErr.
enum RWDecimalBase::Op |
An enumeration defining the operation that caused the error handler to be called.
Rounding methods used by RWDecimalPortable::round()
The following table shows the results of the different rounding methods.
Method | 1.25 | 1.35 | 1.251 |
PLAIN | 1.2 | 1.3 | 1.2 |
UP | 1.3 | 1.4 | 1.3 |
DOWN | 1.2 | 1.3 | 1.2 |
TRUNCATE | 1.2 | 1.3 | 1.2 |
BANKERS | 1.2 | 1.4 | 1.3 |
PLAIN |
Round up on a tie. |
UP |
Always round up. |
DOWN |
Always round down. |
BANKERS |
On a tie, round so that last digit is even. |
TRUNCATE |
Same as DOWN. |
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