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-rw-r--r--test/c/bisect.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/test/c/bisect.c b/test/c/bisect.c
index 759f997..14d0624 100644
--- a/test/c/bisect.c
+++ b/test/c/bisect.c
@@ -16,7 +16,8 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
-#include <float.h>
+
+#define DBL_EPSILON 0x1p-52
void *allocvector(size_t size)
{