private void AddRowConstraint(double[] row, lpsolve_constr_types type = lpsolve_constr_types.EQ, double val = 0)
{
Rows++;
if (!LpSolvePointer.add_constraint(row, type, val))
{
throw new InvalidOperationException();
}
}
/// <summary>
/// addConstraint({{0,10},{1,5}}, lpsolve.lpsolve_constr_types.LE, 100) means:
/// 10x + 5y <= 100
/// </summary>
/// <param name="cfPerVarIdx">
/// Each tuple contains variable index, and it's coefficient in this constraint.
/// </param>
public void addConstraint(List <Tuple <int, double> > cfPerVarIdx, lpsolve_constr_types constraintType, double rhs)
{
for (int j = 0; j < cfPerVarIdx.Count; ++j)
{
colno[j] = 1 + cfPerVarIdx[j].Item1; /* first column */
row[j] = cfPerVarIdx[j].Item2;
}
/* add the row to lpsolve */
lpsolve.add_constraintex(lp, cfPerVarIdx.Count, row, colno, constraintType, rhs);
}
public static extern bool add_lag_con(IntPtr lp, double[] row, lpsolve_constr_types con_type, double rhs);
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool set_constr_type(int lp, int row, lpsolve_constr_types con_type);
public static extern bool add_constraint(IntPtr lp, double[] row, lpsolve_constr_types constr_type, double rh);
public bool set_constr_type(int row, lpsolve_constr_types con_type)
{
return(Interop.set_constr_type(_lp, row, con_type));
}
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool add_constraint(int lp, double[] row, lpsolve_constr_types constr_type, double rh);
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool str_add_constraint(IntPtr lp, string row_string, lpsolve_constr_types constr_type, double rh);
public bool add_constraintex(int count, double[] row, int[] colno, lpsolve_constr_types constr_type, double rh)
{
return(Interop.add_constraintex(_lp, count, row, colno, constr_type, rh));
}
public static extern byte set_constr_type(int lp, int row, lpsolve_constr_types con_type);
public static extern byte str_add_constraint(int lp, string row_string, lpsolve_constr_types constr_type, double rh);
public static extern byte add_constraintex(int lp, int count, ref double row, ref int colno, lpsolve_constr_types constr_type, double rh);
public static extern byte add_lag_con(int lp, ref double row, lpsolve_constr_types con_type, double rhs);
internal static extern byte add_constraintex(int lp, int count, double[] row, int[] colno, lpsolve_constr_types constr_type, double rh);
internal static extern byte add_constraint(int lp, double[] row, lpsolve_constr_types constr_type, double rh);
public static extern bool str_add_constraint(IntPtr lp, [MarshalAs(UnmanagedType.LPStr)] string row_string, lpsolve_constr_types constr_type, double rh);
public static extern bool str_add_constraint(IntPtr lp, string row_string, lpsolve_constr_types constr_type, double rh);
public static extern byte str_add_lag_con(int lp, string row_string, lpsolve_constr_types con_type, double rhs);
public static extern bool add_constraint(int lp, ref double row, lpsolve_constr_types constr_type, double rh);
[DllImport("lpsolve55.dll", SetLastError=true)] public static extern bool add_constraintex(int lp, int count, ref double row, ref int colno, lpsolve_constr_types constr_type, double rh);
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool add_constraintex(IntPtr lp, int count, double[] row, int[] colno, lpsolve_constr_types constr_type, double rh);
[DllImport("lpsolve55.dll", SetLastError=true)] public static extern bool set_constr_type(int lp, int row, lpsolve_constr_types con_type);
public bool str_add_constraint(string row_string, lpsolve_constr_types constr_type, double rh)
{
return(Interop.str_add_constraint(_lp, row_string, constr_type, rh));
}
[DllImport("lpsolve55.dll", SetLastError=true)] public static extern bool str_add_lag_con(int lp, string row_string, lpsolve_constr_types con_type, double rhs);
private void AddRowConstraint(double[] row, lpsolve_constr_types type = lpsolve_constr_types.EQ, double val = 0)
{
Rows++;
if (!LpSolvePointer.add_constraint(row, type, val))
{
throw new InvalidOperationException();
}
}
private static string ToFbcString(lpsolve_constr_types op)
{
switch (op)
{
case lpsolve_constr_types.LE:
return "lessEqual";
case lpsolve_constr_types.EQ:
default:
return "equal";
case lpsolve_constr_types.GE:
return "greaterEqual";
}
}
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool add_constraintex(int lp, int count, ref double row, ref int colno, lpsolve_constr_types constr_type, double rh);
public LPsolveConstraint(XmlElement item)
{
_sbmlId = item.GetAttribute("reaction", FluxBalance.STR_FBA_NAMESPACE);
_value = Convert.ToDouble(item.GetAttribute("value", FluxBalance.STR_FBA_NAMESPACE));
_Operator = GetOperator(item.GetAttribute("operation", FluxBalance.STR_FBA_NAMESPACE));
}
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool str_add_lag_con(int lp, string row_string, lpsolve_constr_types con_type, double rhs);
public LPsolveConstraint(string sbmlId, lpsolve_constr_types sOperator, double value)
{
_sbmlId = sbmlId;
_Operator = sOperator;
_value = value;
}
public static extern bool add_constraintex(IntPtr lp, int count, double[] row, int[] colno, lpsolve_constr_types constr_type, double rh);
private string GetOperationString(lpsolve_constr_types type)
{
switch (type)
{
case lpsolve_constr_types.LE:
return "less";
case lpsolve_constr_types.EQ:
return "equal";
case lpsolve_constr_types.GE:
default:
return "greater";
}
}
public static extern bool set_constr_type(IntPtr lp, int row, lpsolve_constr_types con_type);
public static extern bool add_lag_con(int lp, ref double row, lpsolve_constr_types con_type, double rhs);
public static extern bool str_add_lag_con(IntPtr lp, string row_string, lpsolve_constr_types con_type, double rhs);
public static extern bool str_add_constraint(int lp, string row_string, lpsolve_constr_types constr_type,
double rh);
public static extern bool add_constraintex(int lp, int count, ref double row, ref int colno,
lpsolve_constr_types constr_type, double rh);
[DllImport("lpsolve55.dll", SetLastError = true)] public static extern bool add_lag_con(IntPtr lp, double[] row, lpsolve_constr_types con_type, double rhs);
public static extern bool set_constr_type(int lp, int row, lpsolve_constr_types con_type);
public static extern byte str_add_lag_con(IntPtr lp, [MarshalAs(UnmanagedType.LPStr)] string row_string, lpsolve_constr_types con_type, double rhs);
public static extern bool str_add_lag_con(int lp, string row_string, lpsolve_constr_types con_type, double rhs);
public bool add_constraint(double[] row, lpsolve_constr_types constr_type, double rh)
{
return(Interop.add_constraint(_lp, row, constr_type, rh));
}
