Changeset 25eec4e in mainline for uspace/lib/posix/include/posix/float.h

Timestamp:

2013-04-19T18:38:18Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6d717a4

Parents:

a1e2df13 (diff), 289cb7dd (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline chages.

File:

• uspace/lib/posix/include/posix/float.h (modified) (1 diff)

uspace/lib/posix/include/posix/float.h

@@ -36 +36 @@
 #define POSIX_FLOAT_H_
 
-/* Empty. Just to satisfy preprocessor. */
+/* Rouding direction -1 - unknown */
+#define FLT_ROUNDS (-1)
+
+/* define some standard C constants in terms of GCC built-ins */
+#ifdef __GNUC__
+        #undef DBL_MANT_DIG
+        #define DBL_MANT_DIG __DBL_MANT_DIG__
+        #undef DBL_MIN_EXP
+        #define DBL_MIN_EXP __DBL_MIN_EXP__
+        #undef DBL_MAX_EXP
+        #define DBL_MAX_EXP __DBL_MAX_EXP__
+        #undef DBL_MAX
+        #define DBL_MAX __DBL_MAX__
+        #undef DBL_MAX_10_EXP
+        #define DBL_MAX_10_EXP __DBL_MAX_10_EXP__
+        #undef DBL_MIN_10_EXP
+        #define DBL_MIN_10_EXP __DBL_MIN_10_EXP__
+        #undef DBL_MIN
+        #define DBL_MIN __DBL_MIN__
+        #undef DBL_DIG
+        #define DBL_DIG __DBL_DIG__
+        #undef DBL_EPSILON
+        #define DBL_EPSILON __DBL_EPSILON__
+        #undef FLT_RADIX
+        #define FLT_RADIX __FLT_RADIX__
+#endif
 
 #endif /* POSIX_FLOAT_H_ */