Name

log()

Description

Calculates the natural logarithm (the base-e logarithm) of a number. This function expects the values greater than 0.0.

Examples

  • void setup() {
      int i = 12;
      println(log(i));
      println(log10(i));
    }
    
    // Calculates the base-10 logarithm of a number
    float log10 (int x) {
      return (log(x) / log(10));
    }
    

Syntax

  • log(n)

Parameters

  • n(float)number greater than 0.0

Return

  • float