Multiple changes:

1)  Compile test with -O0, it takes too long otherwise.

2)  Add error codes: ZERROR_0_POW_0, ZERROR_0_DIV_0, ZERROR_DIV_0, ZERROR_NEGATIVE.

3)  Add workaround for a bug in clang (src/allocator.c).

4)  Cleanups.

5)  Minor optimisations.

6)  Add inclusion guard for zahl.h.

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/zmul.c b/src/zmul.c
index c2cca10..ae02844 100644
--- a/src/zmul.c
+++ b/src/zmul.c
@@ -22,7 +22,7 @@ zmul(z_t a, z_t b, z_t c)
 	b_sign = zsignum(b);
 	c_sign = zsignum(c);
 
-	if (EXPECT(!b_sign || !c_sign, 0)) {
+	if (unlikely(!b_sign || !c_sign)) {
 		SET_SIGNUM(a, 0);
 		return;
 	}