arnaucube/circom
1
0
Fork 0
mirror of https://github.com/arnaucube/circom.git synced 2026-02-07 19:26:43 +01:00
Code Issues Packages Projects Releases Wiki Activity

Wasm generation finished

Browse Source
This commit is contained in:
Jordi Baylina
2020-03-16 20:37:08 +01:00
parent 8f63d18ff4
commit ef899e618b
27 changed files with 2617 additions and 374 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
ports/c/buildasm/fr.c
View File

@@ -19,6 +19,7 @@ void Fr_toMpz(mpz_t r, PFrElement pE) {
mpz_add(r, r, q);
}
} else {
Fr_toNormal(pE);
mpz_import(r, Fr_N64, -1, 8, -1, 0, (const void *)pE->longVal);
}
}
@@ -42,7 +43,7 @@ void Fr_init() {
mpz_init_set_ui(one, 1);
nBits = mpz_sizeinbase (q, 2);
mpz_init(mask);
mpz_mul_2exp(mask, one, nBits-1);
mpz_mul_2exp(mask, one, nBits);
mpz_sub(mask, mask, one);
}
@@ -118,11 +119,19 @@ void Fr_shl(PFrElement r, PFrElement a, PFrElement b) {
Fr_toMpz(ma, a);
Fr_toMpz(mb, b);
if (mpz_cmp_ui(mb, nBits) >= 0) {
mpz_set(mr, zero);
} else {
if (mpz_cmp_ui(mb, nBits) < 0) {
mpz_mul_2exp(mr, ma, mpz_get_ui(mb));
mpz_and(mr, mr, mask);
if (mpz_cmp(mr, q) >= 0) {
mpz_sub(mr, mr, q);
}
} else {
mpz_sub(mb, q, mb);
if (mpz_cmp_ui(mb, nBits) < 0) {
mpz_tdiv_q_2exp(mr, ma, mpz_get_ui(mb));
} else {
mpz_set(mr, zero);
}
}
Fr_fromMpz(r, mr);
}
@@ -137,11 +146,19 @@ void Fr_shr(PFrElement r, PFrElement a, PFrElement b) {
Fr_toMpz(ma, a);
Fr_toMpz(mb, b);
if (mpz_cmp_ui(mb, nBits) >= 0) {
mpz_set(mr, zero);
} else {
if (mpz_cmp_ui(mb, nBits) < 0) {
mpz_tdiv_q_2exp(mr, ma, mpz_get_ui(mb));
mpz_and(mr, mr, mask);
} else {
mpz_sub(mb, q, mb);
if (mpz_cmp_ui(mb, nBits) < 0) {
mpz_mul_2exp(mr, ma, mpz_get_ui(mb));
mpz_and(mr, mr, mask);
if (mpz_cmp(mr, q) >= 0) {
mpz_sub(mr, mr, q);
}
} else {
mpz_set(mr, zero);
}
}
Fr_fromMpz(r, mr);
}