public override IntPtr Create(TKernel kernel, double lambda, double tolerance, uint maxNumSupportVector)
{
if (!(lambda > 0))
{
throw new ArgumentOutOfRangeException($"{nameof(lambda)} must be greater than 0.");
}
if (!(tolerance > 0))
{
throw new ArgumentOutOfRangeException($"{nameof(tolerance)} must be greater than 0.");
}
if (!(maxNumSupportVector > 0))
{
throw new ArgumentOutOfRangeException($"{nameof(maxNumSupportVector)} must be greater than 0.");
}
var err = NativeMethods.svm_pegasos_new2_double(this.Parameter.KernelType.ToNativeKernelType(),
this.Parameter.SampleType.ToNativeMatrixElementType(),
kernel.NativePtr,
lambda,
tolerance,
maxNumSupportVector,
out var ret);
switch (err)
{
case NativeMethods.ErrorType.MatrixElementTypeNotSupport:
throw new ArgumentException($"{this.Parameter.SampleType} is not supported.");
case NativeMethods.ErrorType.MatrixElementTemplateSizeNotSupport:
throw new ArgumentException($"{nameof(this.Parameter.TemplateColumns)} or {nameof(this.Parameter.TemplateRows)} is not supported.");
case NativeMethods.ErrorType.SvmKernelNotSupport:
throw new ArgumentException($"{this.Parameter.KernelType} is not supported.");
}
return(ret);
}
public abstract IntPtr Create(TKernel kernel, T lambda, T tolerance, uint maxNumSupportVector);
