aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/generic/math_private.h
diff options
context:
space:
mode:
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/generic/math_private.h
parente79d442ee64ef2426ddd29a1fe1174108e845b69 (diff)
downloadglibc-4851a949b4cd1f280b56a728c784aaa85e51124c.tar
glibc-4851a949b4cd1f280b56a728c784aaa85e51124c.tar.gz
glibc-4851a949b4cd1f280b56a728c784aaa85e51124c.tar.bz2
glibc-4851a949b4cd1f280b56a728c784aaa85e51124c.zip
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/generic/math_private.h')
-rw-r--r--sysdeps/generic/math_private.h39
1 files changed, 26 insertions, 13 deletions
diff --git a/sysdeps/generic/math_private.h b/sysdeps/generic/math_private.h
index be1e4d2314..908e6b7901 100644
--- a/sysdeps/generic/math_private.h
+++ b/sysdeps/generic/math_private.h
@@ -76,50 +76,59 @@ do { \
/* Get the more significant 32 bit int from a double. */
-#define GET_HIGH_WORD(i,d) \
+#ifndef GET_HIGH_WORD
+# define GET_HIGH_WORD(i,d) \
do { \
ieee_double_shape_type gh_u; \
gh_u.value = (d); \
(i) = gh_u.parts.msw; \
} while (0)
+#endif
/* Get the less significant 32 bit int from a double. */
-#define GET_LOW_WORD(i,d) \
+#ifndef GET_LOW_WORD
+# define GET_LOW_WORD(i,d) \
do { \
ieee_double_shape_type gl_u; \
gl_u.value = (d); \
(i) = gl_u.parts.lsw; \
} while (0)
+#endif
/* Get all in one, efficient on 64-bit machines. */
-#define EXTRACT_WORDS64(i,d) \
+#ifndef EXTRACT_WORDS64
+# define EXTRACT_WORDS64(i,d) \
do { \
ieee_double_shape_type gh_u; \
gh_u.value = (d); \
(i) = gh_u.word; \
} while (0)
+#endif
/* Set a double from two 32 bit ints. */
-
-#define INSERT_WORDS(d,ix0,ix1) \
+#ifndef INSERT_WORDS
+# define INSERT_WORDS(d,ix0,ix1) \
do { \
ieee_double_shape_type iw_u; \
iw_u.parts.msw = (ix0); \
iw_u.parts.lsw = (ix1); \
(d) = iw_u.value; \
} while (0)
+#endif
/* Get all in one, efficient on 64-bit machines. */
-#define INSERT_WORDS64(d,i) \
+#ifndef INSERT_WORDS64
+# define INSERT_WORDS64(d,i) \
do { \
ieee_double_shape_type iw_u; \
iw_u.word = (i); \
(d) = iw_u.value; \
} while (0)
+#endif
/* Set the more significant 32 bits of a double from an int. */
-
+#ifndef SET_HIGH_WORD
#define SET_HIGH_WORD(d,v) \
do { \
ieee_double_shape_type sh_u; \
@@ -127,16 +136,18 @@ do { \
sh_u.parts.msw = (v); \
(d) = sh_u.value; \
} while (0)
+#endif
/* Set the less significant 32 bits of a double from an int. */
-
-#define SET_LOW_WORD(d,v) \
+#ifndef SET_LOW_WORD
+# define SET_LOW_WORD(d,v) \
do { \
ieee_double_shape_type sl_u; \
sl_u.value = (d); \
sl_u.parts.lsw = (v); \
(d) = sl_u.value; \
} while (0)
+#endif
/* A union which permits us to convert between a float and a 32 bit
int. */
@@ -148,22 +159,24 @@ typedef union
} ieee_float_shape_type;
/* Get a 32 bit int from a float. */
-
-#define GET_FLOAT_WORD(i,d) \
+#ifndef GET_FLOAT_WORD
+# define GET_FLOAT_WORD(i,d) \
do { \
ieee_float_shape_type gf_u; \
gf_u.value = (d); \
(i) = gf_u.word; \
} while (0)
+#endif
/* Set a float from a 32 bit int. */
-
-#define SET_FLOAT_WORD(d,i) \
+#ifndef SET_FLOAT_WORD
+# define SET_FLOAT_WORD(d,i) \
do { \
ieee_float_shape_type sf_u; \
sf_u.word = (i); \
(d) = sf_u.value; \
} while (0)
+#endif
/* Get long double macros from a separate header. */
#include <math_ldbl.h>