3 files changed, 3 insertions, 3 deletions
diff --git a/winsup/mingw/mingwex/math/signbit.c b/winsup/mingw/mingwex/math/signbit.c
index 7f86c86a3..997ddf86b 100644
--- a/winsup/mingw/mingwex/math/signbit.c
+++ b/winsup/mingw/mingwex/math/signbit.c
@@ -5,7 +5,7 @@ int __signbit (double x) {
   __asm__ ("fxam; fstsw %%ax;"
 	   : "=a" (sw)
 	   : "t" (x) );
-  return sw & __FP_SIGNBIT;
+  return (sw & __FP_SIGNBIT) != 0;
 }
 
 #undef signbit
diff --git a/winsup/mingw/mingwex/math/signbitf.c b/winsup/mingw/mingwex/math/signbitf.c
index 5bbf675ad..1c96b9f80 100644
--- a/winsup/mingw/mingwex/math/signbitf.c
+++ b/winsup/mingw/mingwex/math/signbitf.c
@@ -5,6 +5,6 @@ int __signbitf (float x) {
   __asm__ ("fxam; fstsw %%ax;"
 	   : "=a" (sw)
 	   : "t" (x) );
-  return sw & __FP_SIGNBIT;
+  return (sw & __FP_SIGNBIT) != 0;
 }
 int __attribute__ ((alias ("__signbitf"))) signbitf (float);
diff --git a/winsup/mingw/mingwex/math/signbitl.c b/winsup/mingw/mingwex/math/signbitl.c
index 78f990350..8b7bca5b3 100644
--- a/winsup/mingw/mingwex/math/signbitl.c
+++ b/winsup/mingw/mingwex/math/signbitl.c
@@ -5,7 +5,7 @@ int __signbitl (long double x) {
   __asm__ ("fxam; fstsw %%ax;"
 	   : "=a" (sw)
 	   : "t" (x) );
-  return sw & __FP_SIGNBIT;
+  return (sw & __FP_SIGNBIT) != 0;
 }
 
 int __attribute__ ((alias ("__signbitl"))) signbitl (long double);