TValueSign defines the Sign returned value.
TValueSign = -1..1;-1..1 TValueSign;The Sign routine determines whether a number is negative, zero or positive. It returns the result in a TValueSign value as follows :
|
Value |
Associated constant |
Meaning |
|
-1 |
Negative number. | |
|
0 |
Zero. | |
|
+1 |
Positive number. |
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