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16.4.1.4 Unary Operators

The unary operators take a single operand of any dimensions and operate on each of its elements independently. The unary operators are:

-

Inverts the sign of each element.

+

No change.

NOT

Logical inversion: each positive value becomes 0 and each zero or negative value becomes 1.

Examples:

-{1, -2; 3, -4}	⇒	{-1, 2; -3, 4}
+{1, -2; 3, -4}	⇒	{1, -2; 3, -4}
NOT {1, 0; -1, 1}	⇒	{0, 1; 1, 0}