diff options
| author | Brian Campbell | 2019-05-23 18:20:47 +0100 |
|---|---|---|
| committer | Brian Campbell | 2019-05-23 18:21:34 +0100 |
| commit | 5bbfc39ff20f208704453249f02d468325917055 (patch) | |
| tree | 4974187b885d198adcf4c409003c9aae5a41659a /lib/coq | |
| parent | fd89347fae1a193911b4dc28a25eb184ce8ab392 (diff) | |
Coq: define the names from the Sail real library
Diffstat (limited to 'lib/coq')
| -rw-r--r-- | lib/coq/Sail2_real.v | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/lib/coq/Sail2_real.v b/lib/coq/Sail2_real.v index e4e4316e..6c4ac0ca 100644 --- a/lib/coq/Sail2_real.v +++ b/lib/coq/Sail2_real.v @@ -9,16 +9,28 @@ Instance Decidable_eq_real : forall (x y : R), Decidable (x = y) := Definition realFromFrac (num denom : Z) : R := Rdiv (IZR num) (IZR denom). +Definition neg_real := Ropp. +Definition mult_real := Rmult. +Definition sub_real := Rminus. +Definition add_read := Rplus. +Definition div_real := Rdiv. +Definition sqrt_real := sqrt. +Definition abs_real := Rabs. + +(* Use flocq definitions, but without making the whole library a dependency. *) +Definition round_down (x : R) := (up x - 1)%Z. +Definition round_up (x : R) := (- round_down (- x))%Z. + +Definition to_real := IZR. + +Definition eq_real := Reqb. Definition gteq_real (x y : R) : bool := if Rge_dec x y then true else false. Definition lteq_real (x y : R) : bool := if Rle_dec x y then true else false. Definition gt_real (x y : R) : bool := if Rgt_dec x y then true else false. Definition lt_real (x y : R) : bool := if Rlt_dec x y then true else false. (* Export select definitions from outside of Rbase *) -Definition powerRZ := powerRZ. -Definition Rabs := Rabs. -Definition sqrt := sqrt. +Definition pow_real := powerRZ. -(* Use flocq definitions, but without making the whole library a dependency. *) -Definition Zfloor (x : R) := (up x - 1)%Z. -Definition Zceil (x : R) := (- Zfloor (- x))%Z. +Definition print_real (_ : string) (_ : R) : unit := tt. +Definition prerr_real (_ : string) (_ : R) : unit := tt. |
