1 files changed, 80 insertions, 0 deletions

diff --git a/src/mt/crfind.f b/src/mt/crfind.f
new file mode 100644
index 0000000..f996ac4
--- /dev/null
+++ b/src/mt/crfind.f
@@ -0,0 +1,80 @@
+ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+c
+c HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+c
+c This program is free software; you can redistribute it and/or modify
+c it under the terms of the GNU General Public License as published by
+c the Free Software Foundation; either version 2 of the License, or
+c (at your option) any later version.
+c
+c This program is distributed in the hope that it will be useful,
+c but WITHOUT ANY WARRANTY; without even the implied warranty of
+c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+c GNU General Public License for more details.
+c
+c You should have received a copy of the GNU General Public License
+c along with this program; if not, write to the Free Software
+c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+c
+
+      integer function crfind(s,n,c)
+      character s(0:1),c
+      integer i,m,n
+      m=mod(n,16)
+      do 10 i=n-16,m,-16
+         if(s(i+15).eq.c)go to 115
+         if(s(i+14).eq.c)go to 114
+         if(s(i+13).eq.c)go to 113
+         if(s(i+12).eq.c)go to 112
+         if(s(i+11).eq.c)go to 111
+         if(s(i+10).eq.c)go to 110
+         if(s(i+9).eq.c)go to 109
+         if(s(i+8).eq.c)go to 108
+         if(s(i+7).eq.c)go to 107
+         if(s(i+6).eq.c)go to 106
+         if(s(i+5).eq.c)go to 105
+         if(s(i+4).eq.c)go to 104
+         if(s(i+3).eq.c)go to 103
+         if(s(i+2).eq.c)go to 102
+         if(s(i+1).eq.c)go to 101
+         if(s(i).eq.c)go to 100
+ 10   continue
+      do 20 i=m-1,0,-1
+         if(s(i).eq.c)go to 100
+ 20   continue
+      crfind=-1
+      return
+ 100  crfind=i
+      return
+ 101  crfind=i+1
+      return
+ 102  crfind=i+2
+      return
+ 103  crfind=i+3
+      return
+ 104  crfind=i+4
+      return
+ 105  crfind=i+5
+      return
+ 106  crfind=i+6
+      return
+ 107  crfind=i+7
+      return
+ 108  crfind=i+8
+      return
+ 109  crfind=i+9
+      return
+ 110  crfind=i+10
+      return
+ 111  crfind=i+11
+      return
+ 112  crfind=i+12
+      return
+ 113  crfind=i+13
+      return
+ 114  crfind=i+14
+      return
+ 115  crfind=i+15
+      return
+      end
+