- (negation) \ Language (API) \ Wiring ALPHA 1.0 Search wiring.org.co: Language (A-Z) \ Libraries \ Environment \ Learning \ Hardware Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know. Name - (negation) Examples int a = 5; // Sets "a" to 5 int b = -a; // Sets "b" to -5 int c = -(5 + 3); // Sets "c" to -8 Description Reverses the sign of the value. Equivalent to multiplying by -1. For example, -5 is the same as 5 * -1. Syntax -value Parameters value int or float Usage Application Related - (subtract) Updated on September 16, 2010 09:16:29pm PDT Wiring is an open project initiated by Hernando Barragán. It is developed by a small team of volunteers. © Info, Processing © Info