maint.mk: fix tight-scope.mk generation in VPATH builds.

[gnulib.git] / lib / sqrtl.c

diff --git a/lib/sqrtl.c b/lib/sqrtl.c
index 299e70d..6795d66 100644 (file)
--- a/lib/sqrtl.c
+++ b/lib/sqrtl.c
@@ -23,7 +23,17 @@
 /* Specification.  */
 #include <math.h>
 
-#include <float.h>
+#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
+
+long double
+sqrtl (long double x)
+{
+  return sqrt (x);
+}
+
+#else
+
+# include <float.h>
 
 /* A simple Newton-Raphson method. */
 long double
@@ -57,3 +67,5 @@ sqrtl (long double x)
 
   return y;
 }
+
+#endif