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-rw-r--r--Src/math.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Src/math.c b/Src/math.c
index abc5f994e..e90d6a59a 100644
--- a/Src/math.c
+++ b/Src/math.c
@@ -447,7 +447,8 @@ lexconstant(void)
if (*nptr == '-')
nptr++;
- if (*nptr == '0')
+ if (*nptr == '0' &&
+ (memchr(nptr, '.', strlen(nptr)) == NULL))
{
nptr++;
if (*nptr == 'x' || *nptr == 'X') {