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authorRichard Henderson <rth@twiddle.net>2012-03-09 12:38:23 -0800
committerRichard Henderson <rth@twiddle.net>2012-03-19 06:47:43 -0700
commit4851a949b4cd1f280b56a728c784aaa85e51124c (patch)
tree331199de9e22e6be357e697a035fb255d89f62e3 /sysdeps/ieee754/flt-32
parente79d442ee64ef2426ddd29a1fe1174108e845b69 (diff)
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Make inline __isnan, __isinf_ns, __finite generic.
For code generation to stay identical on x86_64, this requires that
we define the fp word manipulation macros before including the
generic header.
Diffstat (limited to 'sysdeps/ieee754/flt-32')
-rw-r--r--sysdeps/ieee754/flt-32/math_private.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/ieee754/flt-32/math_private.h b/sysdeps/ieee754/flt-32/math_private.h
new file mode 100644
index 0000000000..e33db02b4c
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/math_private.h
@@ -0,0 +1,35 @@
+#ifndef _MATH_PRIVATE_H_
+
+#include_next <math_private.h>
+
+#ifndef __isnanf
+extern __always_inline int
+__isnanf (float d)
+{
+  u_int32_t di;
+  GET_FLOAT_WORD (di, d);
+  return (di & 0x7fffffff) > 0x7f800000;
+}
+#endif
+
+#ifndef __isinf_nsf
+extern __always_inline int
+__isinf_nsf (float d)
+{
+  u_int32_t di;
+  GET_FLOAT_WORD (di, d);
+  return (di & 0x7fffffff) == 0x7f800000;
+}
+#endif
+
+#ifndef __finitef
+extern __always_inline int
+__finitef (float d)
+{
+  u_int32_t di;
+  GET_FLOAT_WORD (di, d);
+  return (di & 0x7fffffff) < 0x7f800000;
+}
+#endif
+
+#endif /* _MATH_PRIVATE_H_ */