mo_percentile::qmedian Interface Reference

Quick median calculation. More...

Public Member Functions
real(sp) function	qmedian_sp (dat)
real(dp) function	qmedian_dp (dat)

Detailed Description

Quick median calculation.

Quick calculation of the median thereby rearranging the input array.

Example

vec = (/ 1.,2.,3.,4.,5.,6.,7.,8.,9.,10. /)
! Returns 5.5
out = qmedian(vec)

See also example in test directory.

Literature

1. Niklaus Wirth. _"Algorithms and Data Structures"_. Prentice-Hall, Inc., 1985. ISBN 0-13-022005-1.

Parameters

[in,out]

real(sp/dp) :: vec(:)

1D-array with input numbers. Will be rearranged on output.

Return values

real(sp/dp) :: out

Median of values in input array

Author

Filip Hroch

• as part of Munipack: http://munipack.physics.muni.cz

Matthias Cuntz

Date

Jul 2012

• function, k=n/2+1
• real median for even n

Definition at line 209 of file mo_percentile.f90.

Member Function/Subroutine Documentation

qmedian_dp()

real(dp) function mo_percentile::qmedian::qmedian_dp

(

real(dp), dimension(:), intent(inout)

dat

)

Definition at line 923 of file mo_percentile.f90.

qmedian_sp()

real(sp) function mo_percentile::qmedian::qmedian_sp

(

real(sp), dimension(:), intent(inout)

dat

)

Definition at line 970 of file mo_percentile.f90.

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The documentation for this interface was generated from the following file:

• src/mo_percentile.f90