SGN (sign)

Returns sign of the input value.

Syntax

SGN1i src [in,1i], dest [out,1i] ;code:11
SGN2i src [in,2i], dest [out,2i] ;code:12
SGN4i src [in,4i], dest [out,4i] ;code:13
SGN8i src [in,8i], dest [out,8i] ;code:14
SGN4f src [in,4f], dest [out,4f] ;code:15
SGN8f src [in,8f], dest [out,8f] ;code:16

Description

You can use this instruction to determine the sign of the value. It returns:

• 1 if the input value is positive
• 0 if the input value equals 0
• -1 if the input value is negative