WSJT-X/libm65/match.f90
Joe Taylor 4fd7b18b47 Add needed routines.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/jtms3@2520 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-07-17 19:56:55 +00:00

29 lines
490 B
Fortran

subroutine match(s1,s2,nstart,nmatch)
character*(*) s1,s2
character s1a*29
nstart=-1
nmatch=0
n1=len_trim(s1)+1
n2=len(s2)
s1a=s1//' '
if(n2.ge.n1) then
do j=1,n2
n=0
do i=1,n1
k=j+i-1
if(k.gt.n2) k=k-n2
if(s2(k:k).eq.s1a(i:i)) n=n+1
enddo
if(n.gt.nmatch) then
nmatch=n
nstart=j
endif
enddo
endif
return
end subroutine match