[cfe-commits] r149949 - /cfe/trunk/lib/Headers/float.h

[Eli Friedman]

Author: efriedma
Date: Mon Feb  6 19:02:19 2012
New Revision: 149949

URL: http://llvm.org/viewvc/llvm-project?rev=149949&view=rev
Log:
Add C11 FLT_TRUE_MIN and friends.  <rdar://problem/10812837>.


Modified:
    cfe/trunk/lib/Headers/float.h

Modified: cfe/trunk/lib/Headers/float.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/float.h?rev=149949&r1=149948&r2=149949&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/float.h (original)
+++ cfe/trunk/lib/Headers/float.h Mon Feb  6 19:02:19 2012
@@ -64,6 +64,11 @@
 #  undef FLT_MIN
 #  undef DBL_MIN
 #  undef LDBL_MIN
+#  if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__)
+#    undef FLT_TRUE_MIN
+#    undef DBL_TRUE_MIN
+#    undef LDBL_TRUE_MIN
+#  endif
 #endif
 
 /* Characteristics of floating point types, C99 5.2.4.2.2 */
@@ -110,4 +115,10 @@
 #define DBL_MIN __DBL_MIN__
 #define LDBL_MIN __LDBL_MIN__
 
+#if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__)
+#  define FLT_TRUE_MIN __FLT_DENORM_MIN__
+#  define DBL_TRUE_MIN __DBL_DENORM_MIN__
+#  define LDBL_TRUE_MIN __LDBL_DENORM_MIN__
+#endif
+
 #endif /* __FLOAT_H */