diff options
| -rw-r--r-- | src/Curves/Weierstrass/Jacobian.v | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/Curves/Weierstrass/Jacobian.v b/src/Curves/Weierstrass/Jacobian.v index 323816b81..fcabae005 100644 --- a/src/Curves/Weierstrass/Jacobian.v +++ b/src/Curves/Weierstrass/Jacobian.v @@ -167,7 +167,7 @@ Module Jacobian. let yneq := if dec (r = 0) then false else true in if (negb xneq && negb yneq && z1nz && z2nz)%bool then proj1_sig (double P) - else + else let i := h + h in let i := i^2 in let j := h * i in @@ -208,9 +208,7 @@ Module Jacobian. Lemma Proper_add : Proper (eq ==> eq ==> eq) add. Proof. t. Qed. Import BinPos. - Lemma to_affine_add - {char_ge_12:@Ring.char_ge F Feq Fzero Fone Fopp Fadd Fsub Fmul 12} (* TODO: why do we need 12 instead of 3? *) - P Q + Lemma to_affine_add P Q : W.eq (to_affine (add P Q)) (W.add (to_affine P) (to_affine Q)). Proof. prept; trivial; try contradiction. Time all: abstract t. Time Qed. (* 306.478 secs (43.916u,1.032s) ;; 18.857 secs (18.856u,0.008s) *) |