support: Expose sbindir as support_sbindir_prefix

[thirdparty/glibc.git] / include / float.h

diff --git a/include/float.h b/include/float.h
index 20c4acbf7868a0c933e81b38f05244a9173ce207..7e65bb83cbe2aa775ab2b443e418d40ef3e8b74d 100644 (file)
--- a/include/float.h
+++ b/include/float.h
@@ -1,19 +1,23 @@
 #ifndef _LIBC_FLOAT_H
 #define _LIBC_FLOAT_H
 
+#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+#include <bits/libc-header-start.h>
+
 #ifndef _ISOMAC
 # define __STDC_WANT_IEC_60559_TYPES_EXT__
 #endif
 
 #include_next <float.h>
 
-/* Supplement float.h macros for _Float128 for older compilers
-   which do not yet support the type.  These are described in
-   TS 18661-3.  */
-#ifndef _ISOMAC
-# include <features.h>
-# include <bits/floatn.h>
-# if !__GNUC_PREREQ (7, 0) && __HAVE_DISTINCT_FLOAT128
+/* Supplement float.h macros for _FloatN and _FloatNx for older
+   compilers which do not yet support the type.  These are described
+   in TS 18661-3.  */
+#include <features.h>
+#include <bits/floatn.h>
+#if !__GNUC_PREREQ (7, 0) && __GLIBC_USE (IEC_60559_TYPES_EXT)
+
+# if __HAVE_FLOAT128
 #  define FLT128_MANT_DIG      113
 #  define FLT128_DECIMAL_DIG   36
 #  define FLT128_DIG           33
@@ -21,11 +25,89 @@
 #  define FLT128_MIN_10_EXP    (-4931)
 #  define FLT128_MAX_EXP       16384
 #  define FLT128_MAX_10_EXP    4932
-#  define FLT128_MAX           1.18973149535723176508575932662800702e+4932Q
-#  define FLT128_EPSILON       1.92592994438723585305597794258492732e-34Q
-#  define FLT128_MIN           3.36210314311209350626267781732175260e-4932Q
-#  define FLT128_TRUE_MIN      6.47517511943802511092443895822764655e-4966Q
+#  define FLT128_MAX                                   \
+  __f128 (1.18973149535723176508575932662800702e+4932)
+#  define FLT128_EPSILON                               \
+  __f128 (1.92592994438723585305597794258492732e-34)
+#  define FLT128_MIN                                   \
+  __f128 (3.36210314311209350626267781732175260e-4932)
+#  define FLT128_TRUE_MIN                              \
+  __f128 (6.47517511943802511092443895822764655e-4966)
 # endif
+
+/* Types other than _Float128 are typedefs for other types with old
+   compilers.  */
+
+# if __HAVE_FLOAT32
+#  define FLT32_MANT_DIG       FLT_MANT_DIG
+#  define FLT32_DECIMAL_DIG    FLT_DECIMAL_DIG
+#  define FLT32_DIG            FLT_DIG
+#  define FLT32_MIN_EXP                FLT_MIN_EXP
+#  define FLT32_MIN_10_EXP     FLT_MIN_10_EXP
+#  define FLT32_MAX_EXP                FLT_MAX_EXP
+#  define FLT32_MAX_10_EXP     FLT_MAX_10_EXP
+#  define FLT32_MAX            FLT_MAX
+#  define FLT32_EPSILON                FLT_EPSILON
+#  define FLT32_MIN            FLT_MIN
+#  define FLT32_TRUE_MIN       FLT_TRUE_MIN
+# endif
+
+# if __HAVE_FLOAT64
+#  define FLT64_MANT_DIG       DBL_MANT_DIG
+#  define FLT64_DECIMAL_DIG    DBL_DECIMAL_DIG
+#  define FLT64_DIG            DBL_DIG
+#  define FLT64_MIN_EXP                DBL_MIN_EXP
+#  define FLT64_MIN_10_EXP     DBL_MIN_10_EXP
+#  define FLT64_MAX_EXP                DBL_MAX_EXP
+#  define FLT64_MAX_10_EXP     DBL_MAX_10_EXP
+#  define FLT64_MAX            DBL_MAX
+#  define FLT64_EPSILON                DBL_EPSILON
+#  define FLT64_MIN            DBL_MIN
+#  define FLT64_TRUE_MIN       DBL_TRUE_MIN
+# endif
+
+# if __HAVE_FLOAT32X
+#  define FLT32X_MANT_DIG      DBL_MANT_DIG
+#  define FLT32X_DECIMAL_DIG   DBL_DECIMAL_DIG
+#  define FLT32X_DIG           DBL_DIG
+#  define FLT32X_MIN_EXP       DBL_MIN_EXP
+#  define FLT32X_MIN_10_EXP    DBL_MIN_10_EXP
+#  define FLT32X_MAX_EXP       DBL_MAX_EXP
+#  define FLT32X_MAX_10_EXP    DBL_MAX_10_EXP
+#  define FLT32X_MAX           DBL_MAX
+#  define FLT32X_EPSILON       DBL_EPSILON
+#  define FLT32X_MIN           DBL_MIN
+#  define FLT32X_TRUE_MIN      DBL_TRUE_MIN
+# endif
+
+# if __HAVE_FLOAT64X
+#  if __HAVE_FLOAT64X_LONG_DOUBLE
+#   define FLT64X_MANT_DIG     LDBL_MANT_DIG
+#   define FLT64X_DECIMAL_DIG  LDBL_DECIMAL_DIG
+#   define FLT64X_DIG          LDBL_DIG
+#   define FLT64X_MIN_EXP      LDBL_MIN_EXP
+#   define FLT64X_MIN_10_EXP   LDBL_MIN_10_EXP
+#   define FLT64X_MAX_EXP      LDBL_MAX_EXP
+#   define FLT64X_MAX_10_EXP   LDBL_MAX_10_EXP
+#   define FLT64X_MAX          LDBL_MAX
+#   define FLT64X_EPSILON      LDBL_EPSILON
+#   define FLT64X_MIN          LDBL_MIN
+#   define FLT64X_TRUE_MIN     LDBL_TRUE_MIN
+#  else
+#   define FLT64X_MANT_DIG     FLT128_MANT_DIG
+#   define FLT64X_DECIMAL_DIG  FLT128_DECIMAL_DIG
+#   define FLT64X_DIG          FLT128_DIG
+#   define FLT64X_MIN_EXP      FLT128_MIN_EXP
+#   define FLT64X_MIN_10_EXP   FLT128_MIN_10_EXP
+#   define FLT64X_MAX_EXP      FLT128_MAX_EXP
+#   define FLT64X_MAX_10_EXP   FLT128_MAX_10_EXP
+#   define FLT64X_MAX          FLT128_MAX
+#   define FLT64X_EPSILON      FLT128_EPSILON
+#   define FLT64X_MIN          FLT128_MIN
+#   define FLT64X_TRUE_MIN     FLT128_TRUE_MIN
+#  endif
+# endif
+
 #endif
 
 #endif /* _LIBC_FLOAT_H */