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Division less buggy, still slow
[ipdf/code.git]
/
src
/
rational.h
diff --git
a/src/rational.h
b/src/rational.h
index
ce1a767
..
6269ef1
100644
(file)
--- a/
src/rational.h
+++ b/
src/rational.h
@@
-16,9
+16,15
@@
namespace IPDF
template <class T>
T gcd(const T & a, const T & b)
{
template <class T>
T gcd(const T & a, const T & b)
{
- if (a == 1 || a == 0) return 1;
- if (b == 0) return a;
- if (b == a) return a;
+ Debug("Called on %li/%li", int64_t(a), int64_t(b));
+ if (a == T(1) || a == T(0)) return T(1);
+ if (b == T(0)) return a;
+ if (b == a)
+ {
+ Debug("Equal!");
+ return a;
+ }
+ Debug("Not equal!");
if (a > b) return gcd(a-b,b);
return gcd(a, b-a);
if (a > b) return gcd(a-b,b);
return gcd(a, b-a);
@@
-29,6
+35,8
@@
T gcd(const T & a, const T & b)
template <class T>
T gcd(const T & p, const T & q)
{
template <class T>
T gcd(const T & p, const T & q)
{
+
+
T g(1);
T big(p);
T small(q);
T g(1);
T big(p);
T small(q);
@@
-41,11
+49,14
@@
T gcd(const T & p, const T & q)
return g;
while ((g = big % small) > T(0))
{
return g;
while ((g = big % small) > T(0))
{
+ //Debug("big = %li, small = %li", int64_t(big), int64_t(small));
big = small;
small = g;
big = small;
small = g;
+ //Debug("Loop %u", ++count);
}
return small;
}
return small;
-}
+}
+
template <class T = int64_t>
struct Rational
template <class T = int64_t>
struct Rational
@@
-80,6
+91,7
@@
struct Rational
return;
}
T g = gcd(T(llabs(P)),T(llabs(Q)));
return;
}
T g = gcd(T(llabs(P)),T(llabs(Q)));
+ Debug("Got gcd!");
P /= g;
Q /= g;
}
P /= g;
Q /= g;
}
UCC
git Repository :: git.ucc.asn.au