+2016-11-24 Joseph Myers <joseph@codesourcery.com>
+
+ * bits/flt-eval-method.h: New file.
+ * sysdeps/m68k/m680x0/bits/flt-eval-method.h: Likewise.
+ * sysdeps/s390/bits/flt-eval-method.h: Likewise.
+ * sysdeps/x86/bits/flt-eval-method.h: Likewise.
+ * math/Makefile (headers): Add bits/flt-eval-method.h.
+ * math/math.h: Include <bits/flt-eval-method.h>.
+ [__USE_ISOC99] (float_t): Define based on __GLIBC_FLT_EVAL_METHOD.
+ [__USE_ISOC99] (double_t): Likewise.
+ * bits/mathdef.h (float_t): Remove.
+ (double_t): Likewise.
+ * sysdeps/aarch64/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/alpha/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/arm/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/hppa/fpu/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/ia64/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/m68k/m680x0/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/mips/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/powerpc/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/s390/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/sh/sh4/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/sparc/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/tile/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+ * sysdeps/x86/bits/mathdef.h (float_t): Likewise.
+ (double_t): Likewise.
+
2016-11-24 Aurelien Jarno <aurelien@aurel32.net>
* sysdeps/x86_64/memcpy_chk.S (__memcpy_chk): Check for SHARED
--- /dev/null
+/* Define __GLIBC_FLT_EVAL_METHOD.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _MATH_H
+# error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
+#endif
+
+/* __GLIBC_FLT_EVAL_METHOD is the value of FLT_EVAL_METHOD used to
+ determine the evaluation method typedefs such as float_t and
+ double_t. It must be a value from C11 or TS 18661-3:2015, and not
+ -1. */
+
+/* In the default version of this header, follow __FLT_EVAL_METHOD__.
+ -1 is mapped to 2 (considering evaluation as long double to be a
+ conservatively safe assumption), and if __FLT_EVAL_METHOD__ is not
+ defined then assume there is no excess precision and use the value
+ 0. */
+
+#ifdef __FLT_EVAL_METHOD__
+# if __FLT_EVAL_METHOD__ == -1
+# define __GLIBC_FLT_EVAL_METHOD 2
+# else
+# define __GLIBC_FLT_EVAL_METHOD __FLT_EVAL_METHOD__
+# endif
+#else
+# define __GLIBC_FLT_EVAL_METHOD 0
+#endif
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* Expressions are evaluated with the range and precision of their
- type. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647
fpu_control.h complex.h bits/cmathcalls.h fenv.h \
bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
bits/math-finite.h bits/math-vector.h \
- bits/libm-simd-decl-stubs.h bits/iscanonical.h
+ bits/libm-simd-decl-stubs.h bits/iscanonical.h \
+ bits/flt-eval-method.h
# FPU support code.
aux := setfpucw fpu_control
# endif
#endif
-/* Get the architecture specific values describing the floating-point
- evaluation. The following symbols will get defined:
+/* Get __GLIBC_FLT_EVAL_METHOD. */
+#include <bits/flt-eval-method.h>
+
+#ifdef __USE_ISOC99
+/* Define the following typedefs.
float_t floating-point type at least as wide as `float' used
to evaluate `float' expressions
double_t floating-point type at least as wide as `double' used
to evaluate `double' expressions
+*/
+# if __GLIBC_FLT_EVAL_METHOD == 0 || __GLIBC_FLT_EVAL_METHOD == 16
+typedef float float_t;
+typedef double double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 1
+typedef double float_t;
+typedef double double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 2
+typedef long double float_t;
+typedef long double double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 32
+typedef _Float32 float_t;
+typedef double double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 33
+typedef _Float32x float_t;
+typedef _Float32x double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 64
+typedef _Float64 float_t;
+typedef _Float64 double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 65
+typedef _Float64x float_t;
+typedef _Float64x double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 128
+typedef _Float128 float_t;
+typedef _Float128 double_t;
+# elif __GLIBC_FLT_EVAL_METHOD == 129
+typedef _Float128x float_t;
+typedef _Float128x double_t;
+# else
+# error "Unknown __GLIBC_FLT_EVAL_METHOD"
+# endif
+#endif
+
+/* Get the architecture specific values describing the floating-point
+ evaluation. The following symbols will get defined:
FP_FAST_FMA
FP_FAST_FMAF
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* GCC does not promote `float' values to `double'. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* Alpha has "float" and "double" operations. */
-typedef float float_t; /* float expressions are evaluated as float. */
-typedef double double_t; /* double expressions are evaluated as double. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* GCC does not promote `float' values to `double'. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* GCC does not promote `float' values to `double'. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* The IA-64 architecture computes values with the precision of the
- used type. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN 2147483647
--- /dev/null
+/* Define __GLIBC_FLT_EVAL_METHOD. M68K version.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _MATH_H
+# error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
+#endif
+
+/* The m68k FPUs evaluate all values in the 96-bit floating-point
+ format which is also available for the user as 'long double'. */
+#define __GLIBC_FLT_EVAL_METHOD 2
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* The m68k FPUs evaluate all values in the 96 bit floating-point format
- which is also available for the user as `long double'. Therefore we
- define: */
-typedef long double float_t; /* `float' expressions are evaluated as
- `long double'. */
-typedef long double double_t; /* `double' expressions are evaluated as
- `long double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* MIPS has `float' and `double' operations. */
-typedef float float_t; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* PowerPC has both `float' and `double' arithmetic. */
-typedef float float_t;
-typedef double double_t;
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
--- /dev/null
+/* Define __GLIBC_FLT_EVAL_METHOD. S/390 version.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _MATH_H
+# error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
+#endif
+
+/* This value is used because of a historical mistake. */
+#define __GLIBC_FLT_EVAL_METHOD 1
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* Normally, there is no long double type and the `float' and `double'
- expressions are evaluated as `double'. */
-typedef double float_t; /* `float' expressions are evaluated as
- `double'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* SH has both `float' and `double' arithmetic. */
-typedef float float_t;
-typedef double double_t;
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-0x7fffffff)
# define FP_ILOGBNAN 0x7fffffff
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* SPARC has both `float' and `double' arithmetic. */
-typedef float float_t;
-typedef double double_t;
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-/* "float" and "double" expressions evaluated as "float" and "double". */
-typedef float float_t;
-typedef double double_t;
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)
--- /dev/null
+/* Define __GLIBC_FLT_EVAL_METHOD. x86 version.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _MATH_H
+# error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
+#endif
+
+#ifdef __FLT_EVAL_METHOD__
+# if __FLT_EVAL_METHOD__ == -1
+# define __GLIBC_FLT_EVAL_METHOD 2
+# else
+# define __GLIBC_FLT_EVAL_METHOD __FLT_EVAL_METHOD__
+# endif
+#elif defined __x86_64__
+# define __GLIBC_FLT_EVAL_METHOD 0
+#else
+# define __GLIBC_FLT_EVAL_METHOD 2
+#endif
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF 1
-# if ((defined __x86_64__ && !defined __FLT_EVAL_METHOD__) \
- || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0))
-/* The x86-64 architecture computes values with the precission of the
- used type. Similarly for -m32 -mfpmath=sse. */
-typedef float float_t; /* `float' expressions are evaluated as `float'. */
-typedef double double_t; /* `double' expressions are evaluated
- as `double'. */
-# else
-/* The ix87 FPUs evaluate all values in the 80 bit floating-point format
- which is also available for the user as `long double'. Therefore we
- define: */
-typedef long double float_t; /* `float' expressions are evaluated as
- `long double'. */
-typedef long double double_t; /* `double' expressions are evaluated as
- `long double'. */
-# endif
-
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN (-2147483647 - 1)
projects / thirdparty / glibc.git / commitdiff
