[PATCH vkd3d] tests: Do not use llabs(3) on an unsigned difference.

[Chip Davis]

Signed-off-by: Chip Davis 
---
 tests/d3d12.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/d3d12.c b/tests/d3d12.c
index c4ec41a..6de062a 100644
--- a/tests/d3d12.c
+++ b/tests/d3d12.c
@@ -96,7 +96,9 @@ static bool compare_uint16(uint16_t a, uint16_t b, unsigned int max_diff)

static bool compare_uint64(uint64_t a, uint64_t b, unsigned int max_diff)
 {
-    return llabs(a - b) <= max_diff;
+    uint64_t diff = a > b ? a - b : b - a;
+
+    return diff <= max_diff;
 }

static ULONG get_refcount(void *iface)