#! /bin/csh -fe
# Tests wether the ratio $1/$2 is the same as $3/$4.
# Returns status=0 if false, status=1 if true

if ( $#argv != 4 ) exit 1
@ r = ( $1 * $4 ) - ( $2 * $3 )
if ( $r != 0 ) then
  exit 1
else
  exit 0
endif