func_slope.F File Reference

#include "implicit_f.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	func_slope (idn, fac, npc, pld, stiffmin, stiffmax, stiffini, stiffavg)
subroutine	unify_x (idn1, idn2, npc, pld, npoint, len1, len2, xuni, nptnew)

Function/Subroutine Documentation

func_slope()

subroutine func_slope	(	integer, intent(in)	idn,
			fac,
		integer, dimension(*), intent(in)	npc,
		intent(in)	pld,
			stiffmin,
		intent(out)	stiffmax,
		intent(out)	stiffini,
		intent(out)	stiffavg )

Definition at line 35 of file func_slope.F.

C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE message_mod
      USE table_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER IDN,NPC(*) 
      my_real pld(*),fac,stiffmin,stiffmax,stiffini,stiffavg
C-----------------------------------------------
      INTENT(IN)    :: npc,pld,idn
      INTENT(OUT)   :: stiffmax,stiffini,stiffavg
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER J,PN1,PN2,COUNT
      my_real dydx,dx,dy
C=======================================================================
          ! COMPUTE MAXIMUM SLOPE AND INITIAL SLOPE OF FUNCTION
C=======================================================================
      pn1 = npc(idn)
      pn2 = npc(idn+1)
      stiffini = zero
      stiffavg = zero
      stiffmax = zero
      stiffmin = ep20
      count = 0
      DO j = pn1,pn2-4,2
        count = count + 1
        dx = pld(j+2) - pld(j)
        dy = pld(j+3) - pld(j+1)               
        dydx = fac*dy/dx
        stiffmax = max(stiffmax,dydx)
        stiffmin = min(stiffmin,dydx)
        stiffavg = stiffavg + dydx
        IF(pld(j+2)== zero )THEN
           dx = pld(j+2) - pld(j)
           dy = pld(j+3) - pld(j+1)            
           stiffini = max(stiffini, fac*dy/dx)
        ELSEIF(pld(j) == zero) THEN
           dx = pld(j+2) - pld(j)
           dy = pld(j+3) - pld(j+1)             
           stiffini = max(stiffini, fac*dy/dx)
        ELSEIF(pld(pn1) >= zero) THEN
           dx = pld(pn1+2) - pld(pn1 )
           dy = pld(pn1+3) - pld(pn1 + 1)             
           stiffini = max(stiffini, fac*dy/dx)
        ENDIF
      ENDDO
      stiffavg = stiffavg / count
c-----------
      RETURN

unify_x()

subroutine unify_x	(	integer	idn1,
		integer	idn2,
		integer, dimension(*), intent(in)	npc,
		intent(in)	pld,
		integer	npoint,
		integer	len1,
		integer	len2,
			xuni,
		integer	nptnew )

Definition at line 101 of file func_slope.F.

C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE message_mod
      USE table_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER     IDN1,IDN2,NPOINT,LEN1,LEN2,
     .        NPTNEW,NPC(*) 
      my_real 
     .        pld(*),xuni(npoint) 
C-----------------------------------------------
      INTENT(IN)    :: npc,pld
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,J,K
      my_real 
     .      ec , et  
c=======================================================================
       !IDN1 = IFUNC(1) ! uni C
       !IDN2 = IFUNC(2) ! uni T
       i = 0
       j = 0
       ec = pld(npc(idn1) )
       et = pld(npc(idn2) )
       DO k = 1,npoint
        IF(i == 2*len1 .AND. j == 2*len2 )THEN 
         EXIT
        ELSE
         IF     ((ec < et.AND.i<2*len1) .OR. j >= 2*len2)THEN
           xuni(k) = ec 
           i = i + 2 
           ec = pld(npc(idn1)+ i )
         ELSEIF ((ec > et.AND.j<2*len2)   .OR. i >= 2*len1)THEN  
           xuni(k) = et 
           j = j + 2
           et = pld(npc(idn2)+ j )
         ELSEIF (ec == et)THEN 
           xuni(k) = et 
           i = i + 2
           j = j + 2
           ec = pld(npc(idn1)+ i )
           et = pld(npc(idn2)+ j )
         ENDIF
        ENDIF
       ENDDO
       nptnew = k
c-----------
      RETURN