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-rw-r--r--nuttx/lib/math/lib_fmod.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/lib/math/lib_fmod.c b/nuttx/lib/math/lib_fmod.c
index c55151d75..939e7e18a 100644
--- a/nuttx/lib/math/lib_fmod.c
+++ b/nuttx/lib/math/lib_fmod.c
@@ -38,7 +38,7 @@
* Public Functions
************************************************************************/
-#if CONFIG_HAVE_DOUBLE
+#ifdef CONFIG_HAVE_DOUBLE
double fmod(double x, double div)
{
double n0;