diff --git a/lib/msun/src/s_ceill.c b/lib/msun/src/s_ceill.c
index 6abbe1064e49..1de973b0f62d 100644
--- a/lib/msun/src/s_ceill.c
+++ b/lib/msun/src/s_ceill.c
@@ -50,7 +50,7 @@ static char rcsid[] = "$FreeBSD$";
 } while (0)
 #endif
 
-static const double huge = 1.0e300;
+static const long double huge = 1.0e300;
 
 long double
 ceill(long double x)
@@ -60,7 +60,7 @@ ceill(long double x)
 
 	if (e < MANH_SIZE - 1) {
 		if (e < 0) {			/* raise inexact if x != 0 */
-			if (huge + (double)x > 0.0)
+			if (huge + x > 0.0)
 				if (u.bits.exp > 0 ||
 				    (u.bits.manh | u.bits.manl) != 0)
 					u.e = u.bits.sign ? 0.0 : 1.0;
@@ -76,7 +76,7 @@ ceill(long double x)
 #endif
 				INC_MANH(u, 1llu << (MANH_SIZE - e - 1));
 			}
-			if (huge + (double)x > 0.0) {	/* raise inexact flag */
+			if (huge + x > 0.0) {	/* raise inexact flag */
 				u.bits.manh &= ~m;
 				u.bits.manl = 0;
 			}
@@ -95,7 +95,7 @@ ceill(long double x)
 					INC_MANH(u, 1);
 			}
 		}
-		if (huge + (double)x > 0.0)	/* raise inexact flag */
+		if (huge + x > 0.0)		/* raise inexact flag */
 			u.bits.manl &= ~m;
 	}
 	return (u.e);
diff --git a/lib/msun/src/s_floorl.c b/lib/msun/src/s_floorl.c
index d7d3fcf74462..9dd13b6cb1cc 100644
--- a/lib/msun/src/s_floorl.c
+++ b/lib/msun/src/s_floorl.c
@@ -50,7 +50,7 @@ static char rcsid[] = "$FreeBSD$";
 } while (0)
 #endif
 
-static const double huge = 1.0e300;
+static const long double huge = 1.0e300;
 
 long double
 floorl(long double x)
@@ -60,7 +60,7 @@ floorl(long double x)
 
 	if (e < MANH_SIZE - 1) {
 		if (e < 0) {			/* raise inexact if x != 0 */
-			if (huge + (double)x > 0.0)
+			if (huge + x > 0.0)
 				if (u.bits.exp > 0 ||
 				    (u.bits.manh | u.bits.manl) != 0)
 					u.e = u.bits.sign ? -1.0 : 0.0;
@@ -76,7 +76,7 @@ floorl(long double x)
 #endif
 				INC_MANH(u, 1llu << (MANH_SIZE - e - 1));
 			}
-			if (huge + (double)x > 0.0) {	/* raise inexact flag */
+			if (huge + x > 0.0) {	/* raise inexact flag */
 				u.bits.manh &= ~m;
 				u.bits.manl = 0;
 			}
@@ -95,7 +95,7 @@ floorl(long double x)
 					INC_MANH(u, 1);
 			}
 		}
-		if (huge + (double)x > 0.0)	/* raise inexact flag */
+		if (huge + x > 0.0)		/* raise inexact flag */
 			u.bits.manl &= ~m;
 	}
 	return (u.e);
diff --git a/lib/msun/src/s_truncl.c b/lib/msun/src/s_truncl.c
index cb5e6c9311da..c475b904dccf 100644
--- a/lib/msun/src/s_truncl.c
+++ b/lib/msun/src/s_truncl.c
@@ -36,7 +36,7 @@ static char rcsid[] = "$FreeBSD$";
 #define	MANH_SIZE	LDBL_MANH_SIZE
 #endif
 
-static const double huge = 1.0e300;
+static const long double huge = 1.0e300;
 
 long double
 truncl(long double x)
@@ -46,13 +46,13 @@ truncl(long double x)
 
 	if (e < MANH_SIZE - 1) {
 		if (e < 0) {			/* raise inexact if x != 0 */
-			if (huge + (double)x > 0.0)
+			if (huge + x > 0.0)
 				u.e = 0.0;
 		} else {
 			uint64_t m = ((1llu << MANH_SIZE) - 1) >> (e + 1);
 			if (((u.bits.manh & m) | u.bits.manl) == 0)
 				return (x);	/* x is integral */
-			if (huge + (double)x > 0.0) {	/* raise inexact flag */
+			if (huge + x > 0.0) {	/* raise inexact flag */
 				u.bits.manh &= ~m;
 				u.bits.manl = 0;
 			}
@@ -61,7 +61,7 @@ truncl(long double x)
 		uint64_t m = (uint64_t)-1 >> (64 - LDBL_MANT_DIG + e + 1);
 		if ((u.bits.manl & m) == 0)
 			return (x);	/* x is integral */
-		if (huge + (double)x > 0.0)	/* raise inexact flag */
+		if (huge + x > 0.0)		/* raise inexact flag */
 			u.bits.manl &= ~m;
 	}
 	return (u.e);