View source for IXFregroup x dataset 2d



This function will regroup an [[IXTdataset_2d]] object along the x dimension according to the supplied params(xlo,dx,xhi) argument to give an [[IXTdataset_2d]] object result. It regroups data with new bin boundaries to ensure that bins have minimum width determined by the parameter ''dx'' with limits ''xlo'',''xhi'', but ensuring the bin boundaries are coincident with original bin boundaries.


*dx > 0 constant bin width = dx
*dx < 0 logarithmic binning x(m+1) = x(m) *(1+|dx|)
*dx = 0 retain original bin boundaries


The difference between [[IXFrebin_x_dataset_2d]] and [[IXFregroup_x_dataset_2d]] is that in the former the data in the original bins may be divided by the new bin boundaries. In the latter case, new bins are created only by combining whole bins.

Regrouping is ONLY permitted on histogram data.



===F90 syntax===

<pre>use IXMdataset_2d

type(IXTdataset_2d):: dataset_2d,result_d2d
type(IXTstatus)::status
real(dp)::params(3)

call IXFregroup_x_dataset_2d(result_d2d,dataset_2d,params,status)</pre>