* mingwex/math/signbit.c (__signbit): Make return value

	consistent with GCC's __builtin_signbit.
	* mingwex/math/signbitf.c (__signbitf):  Likewise.
	* mingwex/math/signbitf.c (__signbitl):  Likewise.
	* include/math.h (__signbit, __signbitf, __signbitl): Likewise
	for inlines.

5 files changed, 15 insertions, 6 deletions

diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index f9b7088fc..97272e896 100644
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,3 +1,12 @@
+2005-05-03  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* mingwex/math/signbit.c (__signbit):  Make return value
+	consistent with GCC's __builtin_signbit.
+	* mingwex/math/signbitf.c (__signbitf):  Likewise.
+	* mingwex/math/signbitf.c (__signbitl):  Likewise.
+	* include/math.h (__signbit, __signbitf, __signbitl): Likewise
+	for inlines.
+
 2005-05-02  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* include/_mingw.h (__MINGW_ATTRIB_NONNULL): Don't define as
diff --git a/winsup/mingw/include/math.h b/winsup/mingw/include/math.h
index 29bf27ce0..585723b22 100644
--- a/winsup/mingw/include/math.h
+++ b/winsup/mingw/include/math.h
@@ -373,19 +373,19 @@ __CRT_INLINE int __cdecl __isnanl (long double _x)
 __CRT_INLINE int __cdecl __signbit (double x) {
   unsigned short stw;
   __asm__ ( "fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
-  return stw & 0x0200;
+  return (stw & 0x0200) != 0;
 }
 
 __CRT_INLINE int __cdecl __signbitf (float x) {
   unsigned short stw;
   __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
-  return stw & 0x0200;
+  return (stw & 0x0200) != 0;
 }
 
 __CRT_INLINE int __cdecl __signbitl (long double x) {
   unsigned short stw;
   __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
-  return stw & 0x0200;
+  return (stw & 0x0200) != 0;
 }
 
 #define signbit(x) (sizeof (x) == sizeof (float) ? __signbitf (x)	\
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);