admin/mruby-mruby
1
0
Fork 0
mirror of https://github.com/mruby/mruby synced 2026-06-08 16:11:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

mruby-bigint: compact mpz_add_int,mpz_sub_int calling conditions

Browse Source
This commit is contained in:
Yukihiro "Matz" Matsumoto
2024-12-09 13:04:01 +09:00
parent 441d4be0ad
commit 6d2e7f50e2
1 changed files with 6 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mrbgems/mruby-bigint/core/bigint.c
+6 -30
View File
@@ -1509,25 +1509,12 @@ mrb_bint_add_n(mrb_state *mrb, mrb_value x, mrb_value y)
mrb_int n = mrb_integer(y);
if (int_fit_limb_p(n)) {
mpz_init_set(mrb, &z, &a);
if (n > 0) {
if (z.sn > 0) {
mpz_add_int(mrb, &z, n);
}
else {
mpz_sub_int(mrb, &z, n);
}
if ((n > 0) ^ (z.sn > 0)) {
mpz_sub_int(mrb, &z, n<0 ? -n : n);
}
else {
n = -n;
if (z.sn > 0) {
mpz_sub_int(mrb, &z, n);
}
else {
mpz_add_int(mrb, &z, n);
}
mpz_add_int(mrb, &z, n<0 ? -n : n);
}
struct RBigint *v = bint_new(mrb, &z);
return mrb_obj_value(v);
}
}
y = mrb_as_bint(mrb, y);
@@ -1563,22 +1550,11 @@ mrb_bint_sub_n(mrb_state *mrb, mrb_value x, mrb_value y)
mrb_int n = mrb_integer(y);
if (int_fit_limb_p(n)) {
mpz_init_set(mrb, &z, &a);
if (n > 0) {
if (z.sn > 0) {
mpz_sub_int(mrb, &z, n);
}
else {
mpz_add_int(mrb, &z, n);
}
if ((n > 0) ^ (z.sn > 0)) {
mpz_add_int(mrb, &z, n<0 ? -n : n);
}
else {
n = -n;
if (z.sn > 0) {
mpz_add_int(mrb, &z, n);
}
else {
mpz_sub_int(mrb, &z, n);
}
mpz_sub_int(mrb, &z, n<0 ? -n : n);
}
struct RBigint *v = bint_new(mrb, &z);
return mrb_obj_value(v);