src/normaliser.js
function(value) {
    return Math.pow(10, Math.round((Math.log(value) / Math.LN10)) - 1);
  }
function(value) {
    return Math.pow(10, Math.round((Math.log(value) / Math.LN10)) - 1);
  }
function ( value ) { return Math . pow ( 10 , Math . round ( ( Math . log ( value ) / Math . LN10 ) ) - 1 ) ; }
Calculates the label step value.

@param {Float} value A value to convert to a label position
@returns {Float} The rounded label step result
Calculates the label step value .