public static NumericColumn Operation(NumericColumn c1, bool value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.BL:
{
bool[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] == value);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
static void Operation <T1, T3>(NumericColumn c1, out T1[] a, out DataColumn <T3> res)
where T1 : IEquatable <T1>, IComparable <T1>
where T3 : IEquatable <T3>, IComparable <T3>
{
var c1o = c1.Column as DataColumn <T1>;
if (c1o is null)
{
throw new DataTypeError(string.Format("{0} not implemented for type {1}.", OperationName, c1.GetType()));
}
res = new DataColumn <T3>(c1.Length);
a = c1o.Data;
}
public static NumericColumn Operation(NumericColumn c1, double value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.Int32:
{
int[] a;
DataColumn <double> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, (int)a[i] - value);
}
return(new NumericColumn(res));
}
case DataKind.Single:
{
float[] a;
DataColumn <double> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] - value);
}
return(new NumericColumn(res));
}
case DataKind.Double:
{
double[] a;
DataColumn <double> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] - value);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
static void Operation <T1, T2, T3>(NumericColumn c1, NumericColumn c2,
out T1[] a, out T2[] b, out DataColumn <T3> res)
where T1 : IEquatable <T1>, IComparable <T1>
where T2 : IEquatable <T2>, IComparable <T2>
where T3 : IEquatable <T3>, IComparable <T3>
{
var c1o = c1.Column as DataColumn <T1>;
var c2o = c2.Column as DataColumn <T2>;
if (c1o is null || c2o is null)
{
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
res = new DataColumn <T3>(c1.Length);
a = c1o.Data;
b = c2o.Data;
}
/// <summary>
/// Returns a column.
/// </summary>
public DataFrameView this[NumericColumn rows, IEnumerable <string> colNames]
{
get { return(new DataFrameView(this, _data.EnumerateRowsIndex(rows), colNames.Select(c => _data.GetColumnIndex(c)))); }
}
/// <summary>
/// Returns a column.
/// </summary>
public DataFrameView this[NumericColumn rows, string colName]
{
get { return(new DataFrameView(this, _data.EnumerateRowsIndex(rows), new[] { _data.GetColumnIndex(colName) })); }
}
/// <summary>
/// Returns a subset of rows.
/// </summary>
public DataFrameView this[NumericColumn boolCol]
{
get { return(new DataFrameView(this, _data.EnumerateRowsIndex(boolCol), null)); }
}
public static NumericColumn Operation(NumericColumn c1, NumericColumn c2)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.Int32:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.Int32:
{
int[] a;
int[] b;
DataColumn <int> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] - b[i]);
}
return(new NumericColumn(res));
}
case DataKind.Single:
{
int[] a;
float[] b;
DataColumn <float> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, (int)a[i] - b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
case DataKind.Single:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.Int32:
{
float[] a;
int[] b;
DataColumn <float> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] - (int)b[i]);
}
return(new NumericColumn(res));
}
case DataKind.Single:
{
float[] a;
float[] b;
DataColumn <float> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] - b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1} for left element.", OperationName, c1.Kind));
}
}
}
public static NumericColumn Operation(NumericColumn c1, NumericColumn c2)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.BL:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.BL:
{
bool[] a;
bool[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] == b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
case DataKind.I4:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.I4:
{
int[] a;
int[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] == b[i]);
}
return(new NumericColumn(res));
}
case DataKind.R4:
{
int[] a;
float[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, (int)a[i] == b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
case DataKind.R4:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.I4:
{
float[] a;
int[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] == (int)b[i]);
}
return(new NumericColumn(res));
}
case DataKind.R4:
{
float[] a;
float[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] == b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
case DataKind.TX:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.TX:
{
DvText[] a;
DvText[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i].CompareTo(b[i]) == 0);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1} for left element.", OperationName, c1.Kind));
}
}
}
public static NumericColumn Operation(NumericColumn c1, ReadOnlyMemory <char> value)
{
return(Operation(c1, new DvText(value)));
}
public static NumericColumn Operation(NumericColumn c1, string value)
{
return(Operation(c1, new DvText(value)));
}
public static NumericColumn Operation(NumericColumn c1, int value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.I4:
{
int[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < value);
}
return(new NumericColumn(res));
}
case DataKind.I8:
{
long[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < value);
}
return(new NumericColumn(res));
}
case DataKind.R4:
{
float[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < (float)value);
}
return(new NumericColumn(res));
}
case DataKind.R8:
{
double[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < (double)value);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
public static NumericColumn Operation(NumericColumn c1, double value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.I4:
{
int[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, (int)a[i] /**/ < value);
}
return(new NumericColumn(res));
}
case DataKind.R4:
{
float[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < value);
}
return(new NumericColumn(res));
}
case DataKind.R8:
{
double[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ < value);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
public static NumericColumn Operation(NumericColumn c1, string value)
{
return(Operation(c1, new DvText(value)));
}
public static NumericColumn Operation(NumericColumn c1, ReadOnlyMemory <char> value)
{
return(Operation(c1, new DvText(value)));
}
public static NumericColumn Operation(NumericColumn c1, DvText value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.TX:
{
DvText[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, string.Compare(a[i].ToString(), value.ToString()) /**/ < 0);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
public static NumericColumn Operation(NumericColumn c1, bool value)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.Boolean:
{
bool[] a;
DataColumn <bool> res;
Operation(c1, out a, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ & value);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for column {1}.", OperationName, c1.Kind));
}
}
}
#endregion
#region Operation between two columns.
static void Operation <T1, T2, T3>(NumericColumn c1, NumericColumn c2,
out T1[] a, out T2[] b, out DataColumn <T3> res)
where T1 : IEquatable <T1>, IComparable <T1>
where T2 : IEquatable <T2>, IComparable <T2>
where T3 : IEquatable <T3>, IComparable <T3>
{
var c1o = c1.Column as DataColumn <T1>;
var c2o = c2.Column as DataColumn <T2>;
if (c1o is null || c2o is null)
{
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
res = new DataColumn <T3>(c1.Length);
a = c1o.Data;
b = c2o.Data;
}
public static NumericColumn Operation(NumericColumn c1, NumericColumn c2)
{
if (c1.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c1.Kind.RawKind())
{
case DataKind.Boolean:
if (c2.Kind.IsVector())
{
throw new NotImplementedException();
}
else
{
switch (c2.Kind.RawKind())
{
case DataKind.Boolean:
{
bool[] a;
bool[] b;
DataColumn <bool> res;
Operation(c1, c2, out a, out b, out res);
for (int i = 0; i < res.Length; ++i)
{
res.Set(i, a[i] /**/ & b[i]);
}
return(new NumericColumn(res));
}
default:
throw new DataTypeError(string.Format("{0} not implemented for {1}, {2}.", OperationName, c1.Kind, c2.Kind));
}
}