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| author | Mattias Andrée <maandree@kth.se> | 2016-03-04 23:50:00 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2016-03-04 23:50:00 +0100 |
| commit | 76d0af5599554d11f104d582cdac8fbaa8569fcc (patch) | |
| tree | 0ed9889a86d52ebd208382f2fd49dad0570d1f8c /src/zmodpowu.c | |
| parent | Clean up, fix a few bugs, and add a test (diff) | |
| download | libzahl-76d0af5599554d11f104d582cdac8fbaa8569fcc.tar.gz libzahl-76d0af5599554d11f104d582cdac8fbaa8569fcc.tar.bz2 libzahl-76d0af5599554d11f104d582cdac8fbaa8569fcc.tar.xz | |
Clean up, add zerror and zperror, fix bugs and add more tests
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/zmodpowu.c')
| -rw-r--r-- | src/zmodpowu.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/src/zmodpowu.c b/src/zmodpowu.c index 8a94379..7fb2c3d 100644 --- a/src/zmodpowu.c +++ b/src/zmodpowu.c @@ -9,19 +9,15 @@ void zmodpowu(z_t a, z_t b, unsigned long long int c, z_t d) { if (!c) { - if (zzero(b)) { - errno = EDOM; /* Indeterminate form: 0:th power of 0 */ - FAILURE_JUMP(); - } else if (zzero(d)) { - errno = EDOM; /* Undefined form: Division by 0 */ - FAILURE_JUMP(); - } else { + if (zzero(b)) + FAILURE(EDOM); /* Indeterminate form: 0:th power of 0 */ + else if (zzero(d)) + FAILURE(EDOM); /* Undefined form: Division by 0 */ + else zsetu(a, 1); - } return; } else if (zzero(d)) { - errno = EDOM; /* Undefined form: Division by 0 */ - FAILURE_JUMP(); + FAILURE(EDOM); /* Undefined form: Division by 0 */ } else if (zzero(b)) { SET_SIGNUM(a, 0); return; |