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| author | Mattias Andrée <m@maandree.se> | 2025-12-06 10:21:36 +0100 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2025-12-06 10:21:36 +0100 |
| commit | c28859c3e10c84fd9f81ebf88336c9b693448eeb (patch) | |
| tree | 22f9804f4ba96474c23c93c021d293ba5959ccfa /libj2_j2u_add_j2u.c | |
| parent | Second commit (diff) | |
| download | libj2-c28859c3e10c84fd9f81ebf88336c9b693448eeb.tar.gz libj2-c28859c3e10c84fd9f81ebf88336c9b693448eeb.tar.bz2 libj2-c28859c3e10c84fd9f81ebf88336c9b693448eeb.tar.xz | |
Add overflow and underflow prediction functions
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to 'libj2_j2u_add_j2u.c')
| -rw-r--r-- | libj2_j2u_add_j2u.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libj2_j2u_add_j2u.c b/libj2_j2u_add_j2u.c index bd783a0..8aca375 100644 --- a/libj2_j2u_add_j2u.c +++ b/libj2_j2u_add_j2u.c @@ -56,13 +56,18 @@ check_(uintmax_t a_high, uintmax_t a_low, uintmax_t b_high, uintmax_t b_low, EXPECT(libj2_j2u_eq_j2u(&b, &expected)); EXPECT(libj2_j2u_eq_j2u(&a, &a_saved)); - r = (struct libj2_j2u){111, 222}; a = a_saved; b = b_saved; EXPECT(libj2_j2u_add_j2u_overflow(&a, &b) == r_overflow); EXPECT(libj2_j2u_eq_j2u(&a, &expected)); EXPECT(libj2_j2u_eq_j2u(&b, &b_saved)); + a = a_saved; + b = b_saved; + EXPECT(libj2_j2u_add_j2u_overflow_p((const struct libj2_j2u *)&a, (const struct libj2_j2u *)&b) == r_overflow); + EXPECT(libj2_j2u_eq_j2u(&a, &a_saved)); + EXPECT(libj2_j2u_eq_j2u(&b, &b_saved)); + r = (struct libj2_j2u){111, 222}; a = a_saved; b = b_saved; @@ -150,11 +155,14 @@ check_double(uintmax_t high, uintmax_t low) libj2_j2u_add_j2u_to_j2u(&a, &a, &a); EXPECT(libj2_j2u_eq_j2u(&a, &expected)); - r = (struct libj2_j2u){111, 222}; a = a_saved; EXPECT(libj2_j2u_add_j2u_overflow(&a, &a) == expected_overflow); EXPECT(libj2_j2u_eq_j2u(&a, &expected)); + a = a_saved; + EXPECT(libj2_j2u_add_j2u_overflow_p((const struct libj2_j2u *)&a, (const struct libj2_j2u *)&a) == expected_overflow); + EXPECT(libj2_j2u_eq_j2u(&a, &a_saved)); + r = (struct libj2_j2u){111, 222}; a = a_saved; EXPECT(libj2_j2u_add_j2u_to_j2u_overflow(&a, &a, &r) == expected_overflow); |