src/HOL/Real/Float.ML
changeset 20547 796ae7fa1049
parent 20485 3078fd2eec7b
equal deleted inserted replaced
20546:8923deb735ad 20547:796ae7fa1049
   456 			     else
   456 			     else
   457 				 raise exn
   457 				 raise exn
   458 			 end
   458 			 end
   459 		       | _ => raise exn
   459 		       | _ => raise exn
   460 		    )
   460 		    )
   461 val th = ref ([]: Theory.theory list)
   461 val th = ref ([]: theory list)
   462 val sg = ref ([]: Sign.sg list)
   462 val sg = ref ([]: Sign.sg list)
   463 
   463 
   464 fun invoke_float_op c = 
   464 fun invoke_float_op c = 
   465     let
   465     let
   466 	val th = (if length(!th) = 0 then th := [theory "MatrixLP"] else (); hd (!th))
   466 	val th = (if length(!th) = 0 then th := [theory "MatrixLP"] else (); hd (!th))