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|
c SCILAB function : besseli, fin = 1
c Copyright INRIA
subroutine intsbesseli(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision infinity
double precision alpha,EXPARG
data EXPARG/709.0D0/
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,2,3)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable alpha (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
nb1=int(stk(lr1))
alpha=stk(lr1)-nb1
if(alpha.lt.0.0d0.or.alpha.gt.1.0d0.or.nb1.lt.0) then
err=1
call error(116)
return
endif
if(m1*n1.gt.1) then
do 01 i=2,m1*n1
if(stk(lr1+i-1)-stk(lr1+i-2).ne.1.0d0) then
err=1
call error(116)
return
endif
01 continue
endif
nb=m1*n1+nb1
c
c checking variable x (number 2)
if(.not.getmat(fname,top,top-rhs+2,it2,m2,n2,lr2,lc2)) return
if(m2*n2.eq.0) then
top=top-rhs+1
if(.not.cremat(fname,top,0,0,0,lrs,lcs)) return
return
endif
if(it2.ne.0) then
err=2
call error(52)
return
endif
do 02 i=0,m2*n2-1
if(stk(lr2+i).lt.0.0d0) then
err=2
call error(116)
return
endif
02 continue
c
if(rhs.eq.3) then
c checking variable ize (number 3)
if(.not.getscalar(fname,top,top-rhs+3,lr3)) return
ice=stk(lr3)
if(ice.ne.1.and.ice.ne.2) then
err=3
call error(44)
return
endif
else
ice=1
endif
c cross variable size checking
c
if(.not.cremat(fname,top+1,0,n2*m2,n1*m1,lw4,lwc4)) return
if(.not.cremat(fname,top+2,0,1,nb,lw5,lwc5)) return
nn5=1
do 10 i=0,n2*m2-1
call ribesl(stk(lr2+i),alpha,nb,ice,stk(lw5),ncalc)
if(ncalc.ne.nb) then
if(ncalc.lt.0.and.ice.eq.1) then
call dset(m1*n1,infinity(0.0d0),stk(lw4+i),n2*m2)
goto 10
endif
call error(24)
return
endif
call unsfdcopy(m1*n1,stk(lw5+nb1),1,stk(lw4+i),n2*m2)
10 continue
c
if(lhs .ge. 1) then
c --------------output variable: b
top=top-rhs+1
if(.not.cremat(fname,top,0,n2*m2,n1*m1,lrs,lcs)) return
call unsfdcopy(n2*m2*n1*m1,stk(lw4),1,stk(lrs),1)
endif
return
end
c
c SCILAB function : besselj, fin = 2
subroutine intsbesselj(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision alpha
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,2,2)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable alpha (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
nb1=int(stk(lr1))
alpha=stk(lr1)-nb1
if(alpha.lt.0.0d0.or.alpha.gt.1.0d0.or.nb1.lt.0) then
err=1
call error(116)
return
endif
if(m1*n1.gt.1) then
do 01 i=2,m1*n1
if(stk(lr1+i-1)-stk(lr1+i-2).ne.1.0d0) then
err=1
call error(116)
return
endif
01 continue
endif
nb=m1*n1+nb1
c
c checking variable x (number 2)
if(.not.getmat(fname,top,top-rhs+2,it2,m2,n2,lr2,lc2)) return
if(m2*n2.eq.0) then
top=top-rhs+1
if(.not.cremat(fname,top,0,0,0,lrs,lcs)) return
return
endif
if(it2.ne.0) then
err=2
call error(52)
return
endif
do 02 i=0,m2*n2-1
if(stk(lr2+i).lt.0.0d0) then
err=2
call error(116)
return
endif
02 continue
c
if(.not.cremat(fname,top+1,0,n2*m2,n1*m1,lw4,lwc4)) return
if(.not.cremat(fname,top+2,0,1,nb,lw5,lwc5)) return
nn5=1
do 10 i=0,n2*m2-1
call rjbesl(stk(lr2+i),alpha,nb,stk(lw5),ncalc)
if(ncalc.ne.nb) then
if (nbcalc.eq.-1) then
call error(24)
return
else
call msgs(4,0)
endif
endif
call unsfdcopy(m1*n1,stk(lw5+nb1),1,stk(lw4+i),n2*m2)
10 continue
c
if(lhs .ge. 1) then
c --------------output variable: b
top=top-rhs+1
if(.not.cremat(fname,top,0,n2*m2,n1*m1,lrs,lcs)) return
call unsfdcopy(n2*m2*n1*m1,stk(lw4),1,stk(lrs),1)
endif
return
end
c SCILAB function : besselk, fin = 3
subroutine intsbesselk(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision alpha,inf,un
data un/1.0d0/
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
inf=un/(1.0d0-un)
if(.not.checkrhs(fname,2,3)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable alpha (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
nb1=int(stk(lr1))
alpha=stk(lr1)-nb1
if(alpha.lt.0.0d0.or.alpha.gt.1.0d0.or.nb1.lt.0) then
err=1
call error(116)
return
endif
if(m1*n1.gt.1) then
do 01 i=2,m1*n1
if(stk(lr1+i-1)-stk(lr1+i-2).ne.1.0d0) then
err=1
call error(116)
return
endif
01 continue
endif
nb=m1*n1+nb1
c
c checking variable x (number 2)
if(.not.getmat(fname,top,top-rhs+2,it2,m2,n2,lr2,lc2)) return
if(m2*n2.eq.0) then
top=top-rhs+1
if(.not.cremat(fname,top,0,0,0,lrs,lcs)) return
return
endif
if(it2.ne.0) then
err=2
call error(52)
return
endif
do 02 i=0,m2*n2-1
if(stk(lr2+i).lt.0.0d0) then
err=2
call error(116)
return
endif
02 continue
c
if(rhs.eq.3) then
c checking variable ize (number 3)
if(.not.getscalar(fname,top,top-rhs+3,lr3)) return
ice=stk(lr3)
if(ice.ne.1.and.ice.ne.2) then
err=3
call error(44)
return
endif
else
ice=1
endif
c cross variable size checking
c
if(.not.cremat(fname,top+1,0,n2*m2,n1*m1,lw4,lwc4)) return
if(.not.cremat(fname,top+2,0,1,nb,lw5,lwc5)) return
nn5=1
do 10 i=0,n2*m2-1
if (ice.eq.1.and.abs(stk(lr2+i)).gt.698.0d0) then
call dset(m1*n1,0.0D0,stk(lw4+i),n2*m2)
else
call rkbesl(stk(lr2+i),alpha,nb,ice,stk(lw5),ncalc)
if(ncalc.lt.nb) then
call dset((nb-ncalc),inf,stk(lw5+ncalc),1)
endif
call unsfdcopy(m1*n1,stk(lw5+nb1),1,stk(lw4+i),n2*m2)
endif
10 continue
c
if(lhs .ge. 1) then
c --------------output variable: b
top=top-rhs+1
if(.not.cremat(fname,top,0,n2*m2,n1*m1,lrs,lcs)) return
call unsfdcopy(n2*m2*n1*m1,stk(lw4),1,stk(lrs),1)
endif
return
end
c SCILAB function : bessely, fin = 4
subroutine intsbessely(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision alpha,inf,un
data un/1.0d0/
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
inf=un/(1.0d0-un)
c
if(.not.checkrhs(fname,2,2)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable alpha (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
nb1=int(stk(lr1))
alpha=stk(lr1)-nb1
if(alpha.lt.0.0d0.or.alpha.gt.1.0d0.or.nb1.lt.0) then
err=1
call error(116)
return
endif
if(m1*n1.gt.1) then
do 01 i=2,m1*n1
if(stk(lr1+i-1)-stk(lr1+i-2).ne.1.0d0) then
err=1
call error(116)
return
endif
01 continue
endif
nb=m1*n1+nb1
c
c checking variable x (number 2)
if(.not.getmat(fname,top,top-rhs+2,it2,m2,n2,lr2,lc2)) return
if(m2*n2.eq.0) then
top=top-rhs+1
if(.not.cremat(fname,top,0,0,0,lrs,lcs)) return
return
endif
if(it2.ne.0) then
err=2
call error(52)
return
endif
do 02 i=0,m2*n2-1
if(stk(lr2+i).lt.0.0d0) then
err=2
call error(116)
return
endif
02 continue
c
if(.not.cremat(fname,top+1,0,n2*m2,n1*m1,lw4,lwc4)) return
if(.not.cremat(fname,top+2,0,1,nb,lw5,lwc5)) return
nn5=1
do 10 i=0,n2*m2-1
call rybesl(stk(lr2+i),alpha,nb,stk(lw5),ncalc)
if(ncalc.lt.nb) then
if (ncalc.eq.-1) then
call error(24)
return
elseif(ncalc.lt.-1) then
call error(24)
return
endif
call dset((nb-ncalc),inf,stk(lw5+ncalc),1)
call msgs(4,0)
endif
call unsfdcopy(m1*n1,stk(lw5+nb1),1,stk(lw4+i),n2*m2)
10 continue
c
if(lhs .ge. 1) then
c --------------output variable: b
top=top-rhs+1
if(.not.cremat(fname,top,0,n2*m2,n1*m1,lrs,lcs)) return
call unsfdcopy(n2*m2*n1*m1,stk(lw4),1,stk(lrs),1)
endif
return
end
c SCILAB function : lgamma, fin = 5
subroutine intsgamma(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision dgammacody
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,1,1)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable x (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
*** modif bruno : reused Cody 's gamma (waiting final decision...)
* So I have commented the following line (needed when using the
* gamma func from Slatec)
c$$$ if (setslatecjmp().ne.0) then
c$$$ buf='Slatec fatal error'
c$$$ call error(999)
c$$$ return
c$$$ endif
do 10 i=0,n1*m1-1
stk(lr1+i)=dgammacody(stk(lr1+i))
10 continue
***end bruno 's modif
c
return
end
c SCILAB function : gamma, fin = 6
subroutine intslgamma(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision dlgama
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,1,1)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable x (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
*** message for Serge : here you well use the Cody 's log(gamma)
* So I have only commented the following line (needed if one use the
* log(gamma) func from Slatec)
c$$$ if (setslatecjmp().ne.0) then
c$$$ buf='Slatec fatal error'
c$$$ call error(999)
c$$$ return
c$$$ endif
*** end bruno s' modif
do 10 i=0,n1*m1-1
stk(lr1+i)=dlgama(stk(lr1+i))
10 continue
c
return
end
c SCILAB function : calerf, fin = 7
subroutine intscalerf(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision alpha
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,2,2)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable x (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
c checking variable jint (number 2)
if(.not.getscalar(fname,top,top-rhs+2,lr2)) return
jint=stk(lr2)
if(jint.lt.0.or.jint.gt.2) then
err=2
call error(44)
return
endif
do 10 i=0,n1*m1-1
call calerf(stk(lr1+i),stk(lr1+i),jint)
10 continue
top=top-1
c
return
end
c SCILAB function : dlgamma, fin = 8
subroutine intsdlgamma(fname)
c
character*(*) fname
include '../stack.h'
c
integer iadr, sadr
integer topk,rhsk,topl
logical checkrhs,checklhs,getmat,getscalar,cremat
double precision psi
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
rhs = max(0,rhs)
c
if(.not.checkrhs(fname,1,1)) return
if(.not.checklhs(fname,1,1)) return
c
c checking variable x (number 1)
if(.not.getmat(fname,top,top-rhs+1,it1,m1,n1,lr1,lc1)) return
if(m1*n1.eq.0) then
top=top-rhs+1
return
endif
if(it1.ne.0) then
err=1
call error(52)
return
endif
do 10 i=0,n1*m1-1
stk(lr1+i)=psi(stk(lr1+i))
10 continue
c
return
end
c interface function
c ********************
subroutine specfun
include '../stack.h'
rhs = max(0,rhs)
c
goto (1,2,3,4,5,6,7,8) fin
return
1 call intsbesseli('besseli')
return
2 call intsbesselj('besselj')
return
3 call intsbesselk('besselk')
return
4 call intsbessely('bessely')
return
5 call intsgamma('gamma')
return
6 call intslgamma('lgamma')
return
7 call intsdlgamma('dlgamma')
return
8 call intscalerf('calerf')
return
end
|
