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Add HUGE_VAL macros for more _FloatN, _FloatNx types [committed]
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <libc-alpha at sourceware dot org>
- Date: Thu, 26 Oct 2017 23:12:47 +0000
- Subject: Add HUGE_VAL macros for more _FloatN, _FloatNx types [committed]
- Authentication-results: sourceware.org; auth=none
This patch continues the preparation for additional _FloatN / _FloatNx
type support by adding appropriately conditional definitions of
HUGE_VAL_* macros, corresponding to the HUGE_VAL_F128 definition
already present.
Tested for x86_64. Committed.
2017-10-26 Joseph Myers <joseph@codesourcery.com>
* math/math.h [__HAVE_FLOAT16 && __GLIBC_USE
(IEC_60559_TYPES_EXT)] (HUGE_VAL_F16): New macro.
[__HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(HUGE_VAL_F32): Likewise.
[__HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(HUGE_VAL_F64): Likewise.
[__HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(HUGE_VAL_F32X): Likewise.
[__HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(HUGE_VAL_F64X): Likewise.
[__HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)]
(HUGE_VAL_F128X): Likewise.
diff --git a/math/math.h b/math/math.h
index 5ad8156..4affd2a 100644
--- a/math/math.h
+++ b/math/math.h
@@ -63,9 +63,27 @@ __BEGIN_DECLS
# define HUGE_VALL 1e10000L
# endif
#endif
+#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F16 (__builtin_huge_valf16 ())
+#endif
+#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F32 (__builtin_huge_valf32 ())
+#endif
+#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F64 (__builtin_huge_valf64 ())
+#endif
#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define HUGE_VAL_F128 (__builtin_huge_valf128 ())
#endif
+#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F32X (__builtin_huge_valf32x ())
+#endif
+#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F64X (__builtin_huge_valf64x ())
+#endif
+#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+# define HUGE_VAL_F128X (__builtin_huge_valf128x ())
+#endif
#ifdef __USE_ISOC99
/* IEEE positive infinity. */
--
Joseph S. Myers
joseph@codesourcery.com