std_limits.h (__glibcpp_f32_round_error, [...]): Kill.
* include/std/std_limits.h (__glibcpp_f32_round_error, __glibcpp_f64_round_error, __glibcpp_f80_round_error, __glibcpp_f96_round_error, __glibcpp_f128_round_error, __glibcpp_float_round_error, __glibcpp_double_round_error, __glibcpp_long_double_round_error, __glibcpp_float_round_style, __glibcpp_double_round_style, __glibcpp_long_double_round_style): Kill. (numeric_limits<char>::epsilon, round_error): Use constant 0. (numeric_limits<float>::round_error): Use constant 0.5. (numeric_limits<float>::round_style): Use round_to_nearest. (numeric_limits<double>, numeric_limits<long double>): Similarly. From-SVN: r57412
This commit is contained in:
Richard Henderson
Richard Henderson
parent
65a824f6c8
commit
be71ea9dae
@ -1,3 +1,16 @@
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2002-09-22 Richard Henderson <rth@redhat.com>
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* include/std/std_limits.h (__glibcpp_f32_round_error,
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__glibcpp_f64_round_error, __glibcpp_f80_round_error,
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__glibcpp_f96_round_error, __glibcpp_f128_round_error,
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__glibcpp_float_round_error, __glibcpp_double_round_error,
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__glibcpp_long_double_round_error, __glibcpp_float_round_style,
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__glibcpp_double_round_style, __glibcpp_long_double_round_style): Kill.
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(numeric_limits<char>::epsilon, round_error): Use constant 0.
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(numeric_limits<float>::round_error): Use constant 0.5.
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(numeric_limits<float>::round_style): Use round_to_nearest.
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(numeric_limits<double>, numeric_limits<long double>): Similarly.
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2002-09-18 Loren J. Rittle <ljrittle@acm.org>
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* testsuite/18_support/numeric_limits.cc (test_epsilon): New.
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@ -150,32 +150,27 @@
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#define __glibcpp_u64_digits 64
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#define __glibcpp_u64_digits10 19
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#define __glibcpp_f32_round_error 1.0F
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#if __GCC_FLOAT_FORMAT__ == __IEEE_FORMAT__
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# define __glibcpp_f32_is_iec559 true
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#endif
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#ifndef __glibcpp_f32_is_iec559
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# define __glibcpp_f32_is_iec559 false
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#endif
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#define __glibcpp_f64_round_error 1.0
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#if __GCC_FLOAT_FORMAT__ == __IEEE_FORMAT__
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# define __glibcpp_f64_is_iec559 true
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#endif
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#ifndef __glibcpp_f64_is_iec559
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# define __glibcpp_f64_is_iec559 false
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#endif
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#define __glibcpp_f80_round_error 1.0L
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#if __GCC_FLOAT_FORMAT__ == __IEEE_FORMAT__
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# define __glibcpp_f80_is_iec559 true
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#endif
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#ifndef __glibcpp_f80_is_iec559
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# define __glibcpp_f80_is_iec559 false
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#endif
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#define __glibcpp_f96_round_error 1.0L
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#if __GCC_FLOAT_FORMAT__ == __IEEE_FORMAT__
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# define __glibcpp_f96_is_iec559 true
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#endif
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#define __glibcpp_f128_round_error 1.0L
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#if __GCC_FLOAT_FORMAT__ == __IEEE_FORMAT__
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# define __glibcpp_f128_is_iec559 true
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#endif
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@ -503,13 +498,10 @@
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//
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#if __FLOAT_BIT__ == 32
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# define __glibcpp_float_round_error __glibcpp_f32_round_error
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# define __glibcpp_float_is_iec559 __glibcpp_f32_is_iec559
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#elif __FLOAT_BIT__ == 64
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# define __glibcpp_float_round_error __glibcpp_f64_round_error
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# define __glibcpp_float_is_iec559 __glibcpp_f64_is_iec559
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#elif __FLOAT_BIT__ == 80
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# define __glibcpp_float_round_error __glibcpp_f80_round_error
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# define __glibcpp_float_is_iec559 __glibcpp_f80_is_iec559
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#else
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// You must define these macros in the configuration file.
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@ -541,20 +533,13 @@
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# define __glibcpp_float_tinyness_before false
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#endif
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#ifndef __glibcpp_float_round_style
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# define __glibcpp_float_round_style round_toward_zero
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#endif
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// double
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#if __DOUBLE_BIT__ == 32
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# define __glibcpp_double_round_error __glibcpp_f32_round_error
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# define __glibcpp_double_is_iec559 __glibcpp_f32_is_iec559
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#elif __DOUBLE_BIT__ == 64
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# define __glibcpp_double_round_error __glibcpp_f64_round_error
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# define __glibcpp_double_is_iec559 __glibcpp_f64_is_iec559
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#elif __DOUBLE_BIT__ == 80
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# define __glibcpp_double_round_error __glibcpp_f80_round_error
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# define __glibcpp_double_is_iec559 __glibcpp_f80_is_iec559
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#else
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// You must define these macros in the configuration file.
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@ -586,26 +571,17 @@
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# define __glibcpp_double_tinyness_before false
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#endif
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#ifndef __glibcpp_double_round_style
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# define __glibcpp_double_round_style round_toward_zero
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#endif
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// long double
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#if __LONG_DOUBLE_BIT__ == 32
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# define __glibcpp_long_double_round_error __glibcpp_f32_round_error
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# define __glibcpp_long_double_is_iec559 __glibcpp_f32_is_iec559
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#elif __LONG_DOUBLE_BIT__ == 64
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# define __glibcpp_long_double_round_error __glibcpp_f64_round_error
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# define __glibcpp_long_double_is_iec559 __glibcpp_f64_is_iec559
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#elif __LONG_DOUBLE_BIT__ == 80
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# define __glibcpp_long_double_round_error __glibcpp_f80_round_error
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# define __glibcpp_long_double_is_iec559 __glibcpp_f80_is_iec559
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#elif __LONG_DOUBLE_BIT__ == 96
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# define __glibcpp_long_double_round_error __glibcpp_f96_round_error
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# define __glibcpp_long_double_is_iec559 __glibcpp_f96_is_iec559
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#elif __LONG_DOUBLE_BIT__ == 128
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# define __glibcpp_long_double_round_error __glibcpp_f128_round_error
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# define __glibcpp_long_double_is_iec559 __glibcpp_f128_is_iec559
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#else
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// You must define these macros in the configuration file.
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@ -637,10 +613,6 @@
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# define __glibcpp_long_double_tinyness_before false
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#endif
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#ifndef __glibcpp_long_double_round_style
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# define __glibcpp_long_double_round_style round_toward_zero
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#endif
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namespace std
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{
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@ -825,9 +797,9 @@ namespace std
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static const bool is_exact = true;
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static const int radix = 2;
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static char epsilon() throw()
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{ return char(); }
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{ return 0; }
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static char round_error() throw()
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{ return char(); }
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{ return 0; }
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static const int min_exponent = 0;
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static const int min_exponent10 = 0;
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@ -1505,7 +1477,7 @@ namespace std
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static float epsilon() throw()
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{ return __FLT_EPSILON__; }
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static float round_error() throw()
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{ return __glibcpp_float_round_error; }
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{ return 0.5F; }
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static const int min_exponent = __FLT_MIN_EXP__;
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static const int min_exponent10 = __FLT_MIN_10_EXP__;
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@ -1536,17 +1508,15 @@ namespace std
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static const bool traps = __glibcpp_float_traps;
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static const bool tinyness_before = __glibcpp_float_tinyness_before;
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static const float_round_style round_style = __glibcpp_float_round_style;
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static const float_round_style round_style = round_to_nearest;
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};
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#undef __glibcpp_float_round_error
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#undef __glibcpp_float_has_denorm_loss
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#undef __glibcpp_float_is_iec559
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#undef __glibcpp_float_is_bounded
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#undef __glibcpp_float_is_modulo
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#undef __glibcpp_float_traps
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#undef __glibcpp_float_tinyness_before
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#undef __glibcpp_float_round_style
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template<>
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struct numeric_limits<double>
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@ -1567,7 +1537,7 @@ namespace std
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static double epsilon() throw()
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{ return __DBL_EPSILON__; }
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static double round_error() throw()
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{ return __glibcpp_double_round_error; }
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{ return 0.5; }
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static const int min_exponent = __DBL_MIN_EXP__;
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static const int min_exponent10 = __DBL_MIN_10_EXP__;
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@ -1598,18 +1568,15 @@ namespace std
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static const bool traps = __glibcpp_double_traps;
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static const bool tinyness_before = __glibcpp_double_tinyness_before;
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static const float_round_style round_style =
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__glibcpp_double_round_style;
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static const float_round_style round_style = round_to_nearest;
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};
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#undef __glibcpp_double_round_error
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#undef __glibcpp_double_has_denorm_loss
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#undef __glibcpp_double_is_iec559
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#undef __glibcpp_double_is_bounded
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#undef __glibcpp_double_is_modulo
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#undef __glibcpp_double_traps
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#undef __glibcpp_double_tinyness_before
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#undef __glibcpp_double_round_style
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template<>
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@ -1631,7 +1598,7 @@ namespace std
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static long double epsilon() throw()
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{ return __LDBL_EPSILON__; }
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static long double round_error() throw()
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{ return __glibcpp_long_double_round_error; }
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{ return 0.5L; }
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static const int min_exponent = __LDBL_MIN_EXP__;
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static const int min_exponent10 = __LDBL_MIN_10_EXP__;
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@ -1663,19 +1630,16 @@ namespace std
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static const bool traps = __glibcpp_long_double_traps;
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static const bool tinyness_before = __glibcpp_long_double_tinyness_before;
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static const float_round_style round_style =
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__glibcpp_long_double_round_style;
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static const float_round_style round_style = round_to_nearest;
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};
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#undef __glibcpp_long_double_round_error
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#undef __glibcpp_long_double_has_denorm_loss
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#undef __glibcpp_long_double_is_iec559
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#undef __glibcpp_long_double_is_bounded
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#undef __glibcpp_long_double_is_modulo
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#undef __glibcpp_long_double_traps
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#undef __glibcpp_long_double_tinyness_before
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#undef __glibcpp_long_double_round_style
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} // namespace std
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#endif // _CPP_NUMERIC_LIMITS
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