New order among numerals.

1 files changed, 39 insertions, 0 deletions

diff --git a/examples/numerals/english.gf b/examples/numerals/english.gf
new file mode 100644
index 000000000..d4aa3e3de
--- /dev/null
+++ b/examples/numerals/english.gf
@@ -0,0 +1,39 @@
+include numerals.Abs.gf ;
+
+param DForm = unit  | teen  | ten  ;
+
+lincat Digit = {s : DForm => Str} ;
+lincat Sub10 = {s : DForm => Str} ;
+
+oper mkNum : Str -> Str -> Str -> Lin Digit = 
+  \two -> \twelve -> \twenty -> 
+  {s = table {unit => two ; teen => twelve ; ten => twenty}} ;
+oper regNum : Str -> Lin Digit = 
+  \six -> mkNum six (six + "teen") (six + "ty") ;
+oper ss : Str -> {s : Str} = \s -> {s = s} ;
+
+lin num x = x ;
+lin n2 = mkNum "two"   "twelve"   "twenty" ;
+lin n3 = mkNum "three" "thirteen" "thirty" ;
+lin n4 = mkNum "four"  "fourteen" "forty" ;
+lin n5 = mkNum "five"  "fifteen"  "fifty" ;
+lin n6 = regNum "six" ;
+lin n7 = regNum "seven" ;
+lin n8 = mkNum "eight" "eighteen" "eighty" ;
+lin n9 = regNum "nine" ;
+
+lin pot01 = {s = table {f => "one"}} ;
+lin pot0 d = {s = table {f => d.s ! f}} ;
+lin pot110 = ss "ten" ;
+lin pot111 = ss "eleven" ;
+lin pot1to19 d = {s = d.s ! teen} ;
+lin pot0as1 n = {s = n.s ! unit} ;
+lin pot1 d = {s = d.s ! ten} ;
+lin pot1plus d e = {s = d.s ! ten ++ "-" ++ e.s ! unit} ;
+lin pot1as2 n = n ;
+lin pot2 d = {s = d.s ! unit ++ "hundred"} ;
+lin pot2plus d e = {s = d.s ! unit ++ "hundred" ++ "and" ++ e.s} ;
+lin pot2as3 n = n ;
+lin pot3 n = {s = n.s ++ "thousand"} ;
+lin pot3plus n m = {s = n.s ++ "thousand" ++ m.s} ;
+