code: function decodePivotArrayFloat( bundle, database, len, num_type ) {
  	var ans = new NUMTYPE_CLASS[ NUMTYPE_DELTA_FLOAT.FROM[ num_type ] ]( len ),
  		// pivot = bundle.readTypedNum( NUMTYPE_DELTA_FLOAT.FROM[ num_type ] ), 
  		scale = bundle.readFloat64(),
  		values = bundle.readTypedArray( NUMTYPE_DELTA_FLOAT.TO[ num_type ] , len );
  
  	// console.log(">> DELTA_FLOAT len=",len,"type=",num_type,"scale=",scale,"pivot=",pivot);
  
  	// Decode
  	for (var i=0; i<len; ++i) {
  		ans[i] = pivot + (values[i] * scale);
  		// console.log("<<<", values[i],"->", ans[i]);
  	}
  
  	return DEBUG
  		? __debugMeta( ans, 'array.delta.float', {} )
  		: ans;
  }
docs: Decode pivot-encoded float array