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C $Header: $ |
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C $Name: $ |
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|
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#include "CPP_OPTIONS.h" |
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|
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C Simple versions of Martins modified min/max/abs functions |
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|
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_RS function mymax_R4( a, b ) |
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implicit none |
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_RS a, b |
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_RS mymin_R4 |
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external mymin_R4 |
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mymax_R4 = -mymin_R4(-a, -b) |
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return |
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end |
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|
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_RS function mymax_R8( a, b ) |
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implicit none |
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_RL a, b |
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_RL mymin_R8 |
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external mymin_R8 |
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mymax_R8 = -mymin_R8(-a, -b) |
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print*,'###max',a,b,mymax_R8 |
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return |
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end |
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|
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_RS function mymin_R4( a, b ) |
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|
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implicit none |
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|
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_RS a, b |
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|
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_RS myabs_R4 |
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external myabs_R4 |
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|
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Cml mymin_R4 = .5*(a+b) |
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mymin_R4 = .5*( a+b - myabs_R4(a-b) ) |
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Cml mymin_R4 = MIN(a,b) |
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|
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Cml if ( a .lt. b ) then |
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Cml mymin_R4 = a |
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Cml else if ( a .gt. b ) then |
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Cml mymin_R4 = b |
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Cml else |
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Cml mymin_R4 = .5*(a+b) |
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Cml end if |
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|
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return |
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end |
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|
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_RL function mymin_R8( a, b ) |
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|
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implicit none |
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|
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_RL a, b |
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|
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_RL myabs_R8 |
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external myabs_R8 |
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|
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Cml mymin_R8 = .5*(a+b) |
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mymin_R8 = .5*( a+b - myabs_R8(a-b) ) |
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Cml mymin_R8 = MIN(a,b) |
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|
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Cml if ( a .lt. b ) then |
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Cml mymin_R8 = a |
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Cml else if ( a .gt. b ) then |
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Cml mymin_R8 = b |
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Cml else |
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Cml mymin_R8 = .5*(a+b) |
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Cml end if |
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print*,'###min',a,b,mymin_R8 |
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|
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return |
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end |
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|
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_RS function myabs_R4( x ) |
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|
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implicit none |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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C input parameter |
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_RS x |
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c local variable |
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_RS sf, rsf |
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_RS smoothAbsFuncRange |
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|
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c set default value. THhs will go in ini_parms |
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smoothAbsFuncRange = 0. |
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|
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if ( smoothAbsFuncRange .lt. 0.0 ) then |
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c limit of mymin(a,b) = .5*(a+b) |
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myabs_R4 = 0. |
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else |
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if ( smoothAbsFuncRange .ne. 0.0 ) then |
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sf = 10.0/smoothAbsFuncRange |
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rsf = 1./sf |
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else |
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c limit of mymin(a,b) = min(a,b) |
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sf = 0. |
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rsf = 0. |
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end if |
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c |
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if ( x .gt. smoothAbsFuncRange ) then |
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myabs_R4 = x |
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else if ( x .lt. -smoothAbsFuncRange ) then |
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myabs_R4 = -x |
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else |
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myabs_R4 = log(.5*(exp(x*sf)+exp(-x*sf)))*rsf |
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end if |
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end if |
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|
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return |
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end |
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|
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_RL function myabs_R8( x ) |
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|
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implicit none |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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C input parameter |
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_RL x |
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c local variable |
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_RL sf, rsf |
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_RL smoothAbsFuncRange |
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|
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c set default value. THhs will go in ini_parms |
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smoothAbsFuncRange = 1. |
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|
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if ( smoothAbsFuncRange .lt. 0.0 ) then |
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c limit of mymin(a,b) = .5*(a+b) |
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myabs_R8 = 0. |
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else |
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if ( smoothAbsFuncRange .ne. 0.0 ) then |
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sf = 10.0D0/smoothAbsFuncRange |
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rsf = 1.D0/sf |
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else |
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c limit of mymin(a,b) = min(a,b) |
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sf = 0.D0 |
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rsf = 0.D0 |
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end if |
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c |
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if ( x .ge. smoothAbsFuncRange ) then |
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myabs_R8 = x |
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else if ( x .le. -smoothAbsFuncRange ) then |
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myabs_R8 = -x |
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else |
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myabs_R8 = log(.5*(exp(x*sf)+exp(-x*sf)))*rsf |
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end if |
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end if |
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|
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return |
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end |
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