sign() - math_real

Returns 1.0 for positive number, 0.0 for 0 and -1.0 for negative number.

Syntax

function SIGN (X: in REAL ) return REAL;

Example

Output / Return Value

Returns 1.0 if X > 0.0; 0.0 if X = 0.0; -1.0 if X < 0.0

Limitations

Alternatives / See Also

Reference

https://standards.ieee.org/downloads/1076/1076.2-1996/math_real.vhdl