#!/bin/csh -f

set bcprog = /tmp/rootfind.$USER.$$.bc
set script = /tmp/rootfind.$USER.$$.csh

echo 'define v(x) {' > $bcprog
echo "	return(n(`echo $* | sed 's+x+(x/1000)+g'`+.0000000001)-1)}" >> $bcprog
echo '#!/bin/csh -f' > $script
echo 'set foo = `echo "v($1)" | bc -l '"${RIG}/bcfuncs ${RIG}/bcfuncs $bcprog"'`' >> $script
echo 'exit(`echo $foo | cut -f1 -d.`)' >> $script
chmod +x $script

binsearch 0 10000 $script

\rm -f $bcprog $script