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-rw-r--r--nuttx/lib/math/lib_powl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/lib/math/lib_powl.c b/nuttx/lib/math/lib_powl.c
index 6a820df26..f5fbf042e 100644
--- a/nuttx/lib/math/lib_powl.c
+++ b/nuttx/lib/math/lib_powl.c
@@ -38,7 +38,7 @@
* Public Functions
************************************************************************/
-#if CONFIG_HAVE_LONG_DOUBLE
+#ifdef CONFIG_HAVE_LONG_DOUBLE
long double powl(long double b, long double e)
{
return expl(e * logl(b));