1 files changed, 107 insertions, 0 deletions
diff --git a/general/Frac.cpp b/general/Frac.cpp
new file mode 100644
index 00000000..44871b47
--- /dev/null
+++ b/general/Frac.cpp
@@ -0,0 +1,107 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        general/Frac.cpp
+// Purpose:     A class to make handling fractions easier
+// Author:      Ben Boeckel
+// Modified by: Ben Boeckel
+// Created:     Sun Mar 18 15:25:16 2007
+// Copyright:   ©2007 Nerdy Productions
+// Licence:
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License along
+//    with this program.  If not, see <http://www.gnu.org/licenses/>.
+/////////////////////////////////////////////////////////////////////////////
+
+#include "Frac.h"
+
+void PokeGen::Frac::ImportIni(Ini& ini)
+{
+    ini.GetValue("type", type, Proper);
+    ini.GetValue("num", num, 1);
+    ini.GetValue("denom", denom, 1);
+}
+
+void PokeGen::Frac::ExportIni(QFile& fout, const QString& val)
+{
+    Reduce();
+    Ini exFrac(val);
+    exFrac.AddField("num", num);
+    exFrac.AddField("denom", denom);
+    exFrac.AddField("type", type);
+    exFrac.Export(fout);
+}
+
+bool PokeGen::Frac::Set(const unsigned n, const unsigned d)
+{
+    if ((type == Improper) || ((n <= d) && (type == Proper)) || ((d <= n) && (type == Over1)))
+    {
+        num = n;
+        denom = d;
+    }
+    return ((num == n) && (denom == d));
+}
+
+bool PokeGen::Frac::Set(const unsigned n, const unsigned d, const unsigned t)
+{
+    unsigned save_t = type;
+    if (SetType(t))
+    {
+        if (Set(n, d))
+            return true;
+    }
+    type = save_t;
+    return false;
+}
+
+bool PokeGen::Frac::SetNum(const unsigned n)
+{
+    if ((type == Improper) || ((n <= denom) && (type == Proper)) || ((denom <= n) && (type == Over1)))
+    {
+        num = n;
+        return true;
+    }
+    return false;
+}
+
+bool PokeGen::Frac::SetDenom(const unsigned d)
+{
+    if (d && ((type == Improper) || ((num <= d) && (type == Proper)) || ((d <= num) && (type == Over1))))
+    {
+        denom = d;
+        return true;
+    }
+    return false;
+}
+
+bool PokeGen::Frac::SetType(const unsigned t)
+{
+    if (t < End)
+    {
+        type = t;
+        Set(num, denom);
+    }
+    return (type == t);
+}
+
+void PokeGen::Frac::Reduce()
+{
+    int i = num;
+    int j = denom;
+    int k;
+    while (j)
+    {
+        k = j;
+        j = i % j;
+        i = k;
+    }
+    num /= i;
+    denom /= i;
+}