function h = lookUp(callerPtr, dotPosition, numberBeforeDot)
 %function to return new number
 %web code
 %Tyrantlies

numb = callerPtr(:,2);
callerPtr(1,:) = [];

numb = callerPtr(:,2);
spv = callerPtr(:,3);
ix = 1;

for index = 1:1:length(spv)
        sp(ix) = spv(index);
        ix = ix + 1;
end
ret22 = str2double(sp);
idx = 1;
for index2 = 1:1:length(num)
    tmp(idx) = num(index2);
    idx = idx + 1;
end
number = str2double(tmp);

if numberBeforeDot == 1
    x = ret22;
    new_x = 0:0.01:x(length(x));
    y = number;
    new_y = interp1(x,y,new_x);
    number3 = interp1(x,y,dotPosition)
end

if numberBeforeDot == 0
    x2 = number;
    new_x2 = 0:0.01:x2(length(x2));
    y2 = ret22;
    new_y2 = interp1(x2,y2,new_x2);
    newnumber = interp1(x2,y2,dotPosition);
end