Template:Sgn

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This template evaluates its numeric parameter and returns its mathematical sign. If the parameter is empty or missing, it returns an empty string. Otherwise, the return value is 1 if the parameter is positive, 0 if it is null, -1 if negative.

Syntax:

{{Sgn|value}}

Examples:

• "{{Sgn|100}}" = "1".
• "{{Sgn|0.1}}" = "1".
• "{{Sgn|1-1}}" = "0".
• "{{Sgn|-0.1}}" = "-1".
• "{{Sgn|-100}}" = "-1".