diff options
Diffstat (limited to 'theories/Numbers/Cyclic/Int31/Int31.v')
| -rw-r--r-- | theories/Numbers/Cyclic/Int31/Int31.v | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/theories/Numbers/Cyclic/Int31/Int31.v b/theories/Numbers/Cyclic/Int31/Int31.v index 9f8da831..927f430f 100644 --- a/theories/Numbers/Cyclic/Int31/Int31.v +++ b/theories/Numbers/Cyclic/Int31/Int31.v @@ -15,11 +15,15 @@ Require Import Wf_nat. Require Export ZArith. Require Export DoubleType. +Declare ML Module "int31_syntax_plugin". + +Local Unset Elimination Schemes. + (** * 31-bit integers *) (** This file contains basic definitions of a 31-bit integer arithmetic. In fact it is more general than that. The only reason - for this use of 31 is the underlying mecanism for hardware-efficient + for this use of 31 is the underlying mechanism for hardware-efficient computations by A. Spiwack. Apart from this, a switch to, say, 63-bit integers is now just a matter of replacing every occurrences of 31 by 63. This is actually made possible by the use of @@ -48,6 +52,10 @@ Inductive int31 : Type := I31 : digits31 int31. Register digits as int31 bits in "coq_int31" by True. Register int31 as int31 type in "coq_int31" by True. +Scheme int31_ind := Induction for int31 Sort Prop. +Scheme int31_rec := Induction for int31 Sort Set. +Scheme int31_rect := Induction for int31 Sort Type. + Delimit Scope int31_scope with int31. Bind Scope int31_scope with int31. Local Open Scope int31_scope. |