SIGN()
Sign of a number
- Syntax
-
- SIGN (nNumber) -> nSign
- Arguments
-
- <nNumber> a number
- Returns
-
- <nSign> sign of <nNumber>
- Description
-
- The function SIGN() determines the sign of <nNumber>. If <nNumber> is > 0, then SIGN(<nNumber>) returns 1 If <nNumber> is < 0, then SIGN(<nNumber>) returns -1 If <nNumber> is == 0, then SIGN(<nNumber>) returns 0
Examples
? sign (1.1) --> 1
? sign (-1.1) --> -1
? sign (0.0) --> 0
Tests
sign (1.1) == 1
sign (-1.1) == -1
sign (0.0) == 0
- Status
- Ready
- Compliance
-
- SIGN() is compatible with CT3's SIGN().
- Platforms
-
- All
- Files
-
- Source is math.c, library is libct.