Statistics accumulators. More...

Functions/Subroutines
subroutine, public	init_stat
	Initialise the accumulators. More...

subroutine, public	acc (x)
	Accumulate one state. More...

real(kind=8) function, dimension(0:ndim), public	mean ()
	Function returning the mean. More...

real(kind=8) function, dimension(0:ndim), public	var ()
	Function returning the variance. More...

integer function, public	iter ()
	Function returning the number of data accumulated. More...

subroutine, public	reset
	Routine resetting the accumulators. More...

Variables
integer	i =0
	Number of stats accumulated. More...

real(kind=8), dimension(:), allocatable	m
	Vector storing the inline mean. More...

real(kind=8), dimension(:), allocatable	mprev
	Previous mean vector. More...

real(kind=8), dimension(:), allocatable	v
	Vector storing the inline variance. More...

real(kind=8), dimension(:), allocatable	mtmp

Detailed Description

Statistics accumulators.

Copyright: 2015 Lesley De Cruz & Jonathan Demaeyer. See LICENSE.txt for license information.

Function/Subroutine Documentation

subroutine, public stat::acc ( real(kind=8), dimension(0:ndim), intent(in) x )

Accumulate one state.

Definition at line 48 of file stat.f90.

       IMPLICIT NONE
       REAL(KIND=8), DIMENSION(0:ndim), INTENT(IN) :: x
       i=i+1
       mprev=m+(x-m)/i
       mtmp=mprev
       mprev=m
       m=mtmp
       v=v+(x-mprev)*(x-m)

subroutine, public stat::init_stat ( )

Initialise the accumulators.

Definition at line 35 of file stat.f90.

       INTEGER :: allocstat
       
       ALLOCATE(m(0:ndim),mprev(0:ndim),v(0:ndim),mtmp(0:ndim), stat=allocstat)
       IF (allocstat /= 0) stop '*** Not enough memory ***'
       m=0.d0
       mprev=0.d0
       v=0.d0
       mtmp=0.d0
       

integer function, public stat::iter ( )

Function returning the number of data accumulated.

Definition at line 72 of file stat.f90.

72 INTEGER :: iter

73 iter=i

real(kind=8) function, dimension(0:ndim), public stat::mean ( )

Function returning the mean.

Definition at line 60 of file stat.f90.

60 REAL(KIND=8), DIMENSION(0:ndim) :: mean

61 mean=m

subroutine, public stat::reset ( )

Routine resetting the accumulators.

Definition at line 78 of file stat.f90.

       m=0.d0
       mprev=0.d0
       v=0.d0
       i=0

real(kind=8) function, dimension(0:ndim), public stat::var ( )

Function returning the variance.

Definition at line 66 of file stat.f90.

66 REAL(KIND=8), DIMENSION(0:ndim) :: var

67 var=v/(i-1)

Variable Documentation

integer stat::i =0

private

Number of stats accumulated.

Definition at line 20 of file stat.f90.

20 INTEGER :: i=0 !< Number of stats accumulated

real(kind=8), dimension(:), allocatable stat::m

private

Vector storing the inline mean.

Definition at line 23 of file stat.f90.

23 REAL(KIND=8), DIMENSION(:), ALLOCATABLE :: m !< Vector storing the inline mean

real(kind=8), dimension(:), allocatable stat::mprev

private

Previous mean vector.

Definition at line 24 of file stat.f90.

24 REAL(KIND=8), DIMENSION(:), ALLOCATABLE :: mprev !< Previous mean vector

real(kind=8), dimension(:), allocatable stat::mtmp

private

Definition at line 26 of file stat.f90.

26 REAL(KIND=8), DIMENSION(:), ALLOCATABLE :: mtmp

real(kind=8), dimension(:), allocatable stat::v

private

Vector storing the inline variance.

Definition at line 25 of file stat.f90.

25 REAL(KIND=8), DIMENSION(:), ALLOCATABLE :: v !< Vector storing the inline variance

Functions/Subroutines

Variables

Detailed Description

Function/Subroutine Documentation

Variable Documentation