Re: [eclipse-clp-users] How to handle double values in eclipse clp?

I think 'floats' in ECLiPSe are double precision.

Compare ECLiPSe:

$ X is float(pi).
X = 3.1415926535897931

with C++:

#include <iostream>
#include <cmath>
int main() {
  float float_pi = M_PI;
  double double_pi = M_PI;
  std::cout.precision(17);
  std::cout << "float:  " << float_pi << std::endl;
  std::cout << "double: " << double_pi << std::endl;
}

float:  3.1415927410125732
double: 3.1415926535897931

Sergii.


On Sun, May 19, 2013 at 4:16 AM, Hadeer Diwan <hadeer.diwan_at_gmail.com>wrote:

> Hello,
> I wanted to ask a question regarding data types in eclipse clp. I am using
> the following code and i want to change it so that it handles double values
> for the cost. I was able to make it handle floating point values by adding
> float(Result, Cost). How can i refine it to handle double values?
> search_min(List,Dists,Cost) :-
> Result $= sum(Dists),
>         float(Result,Cost),
>         minimize(labeling(List),Cost).
> --
> Best Regards,
> Hadeer Diwan
>
>
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