boost/json
2
0
Fork 0
mirror of https://github.com/boostorg/json.git synced 2026-02-18 14:12:14 +00:00
Code Issues Projects Releases Wiki Activity

Remove old number code

Browse Source
This commit is contained in:
Vinnie Falco
2020-03-26 07:23:48 -07:00
parent c2cfd0df88
commit a7ef611630
9 changed files with 351 additions and 1566 deletions
Download Patch File Download Diff File Expand all files Collapse all files

743
include/boost/json/detail/impl/number.ipp
View File

@@ -1,743 +0,0 @@
//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/vinniefalco/json
//
#ifndef BOOST_JSON_DETAIL_IMPL_NUMBER_IPP
#define BOOST_JSON_DETAIL_IMPL_NUMBER_IPP
#include <boost/json/detail/number.hpp>
#include <boost/json/detail/sse2.hpp>
namespace boost {
namespace json {
namespace detail {
/* References
https://ampl.com/netlib/fp/dtoa.c
*/
inline
double
pow10(int exp) noexcept
{
static double const tab[618] = {
1e-308, 1e-307, 1e-306, 1e-305, 1e-304, 1e-303, 1e-302, 1e-301,
1e-300, 1e-299, 1e-298, 1e-297, 1e-296, 1e-295, 1e-294, 1e-293, 1e-292, 1e-291,
1e-290, 1e-289, 1e-288, 1e-287, 1e-286, 1e-285, 1e-284, 1e-283, 1e-282, 1e-281,
1e-280, 1e-279, 1e-278, 1e-277, 1e-276, 1e-275, 1e-274, 1e-273, 1e-272, 1e-271,
1e-270, 1e-269, 1e-268, 1e-267, 1e-266, 1e-265, 1e-264, 1e-263, 1e-262, 1e-261,
1e-260, 1e-259, 1e-258, 1e-257, 1e-256, 1e-255, 1e-254, 1e-253, 1e-252, 1e-251,
1e-250, 1e-249, 1e-248, 1e-247, 1e-246, 1e-245, 1e-244, 1e-243, 1e-242, 1e-241,
1e-240, 1e-239, 1e-238, 1e-237, 1e-236, 1e-235, 1e-234, 1e-233, 1e-232, 1e-231,
1e-230, 1e-229, 1e-228, 1e-227, 1e-226, 1e-225, 1e-224, 1e-223, 1e-222, 1e-221,
1e-220, 1e-219, 1e-218, 1e-217, 1e-216, 1e-215, 1e-214, 1e-213, 1e-212, 1e-211,
1e-210, 1e-209, 1e-208, 1e-207, 1e-206, 1e-205, 1e-204, 1e-203, 1e-202, 1e-201,
1e-200, 1e-199, 1e-198, 1e-197, 1e-196, 1e-195, 1e-194, 1e-193, 1e-192, 1e-191,
1e-190, 1e-189, 1e-188, 1e-187, 1e-186, 1e-185, 1e-184, 1e-183, 1e-182, 1e-181,
1e-180, 1e-179, 1e-178, 1e-177, 1e-176, 1e-175, 1e-174, 1e-173, 1e-172, 1e-171,
1e-170, 1e-169, 1e-168, 1e-167, 1e-166, 1e-165, 1e-164, 1e-163, 1e-162, 1e-161,
1e-160, 1e-159, 1e-158, 1e-157, 1e-156, 1e-155, 1e-154, 1e-153, 1e-152, 1e-151,
1e-150, 1e-149, 1e-148, 1e-147, 1e-146, 1e-145, 1e-144, 1e-143, 1e-142, 1e-141,
1e-140, 1e-139, 1e-138, 1e-137, 1e-136, 1e-135, 1e-134, 1e-133, 1e-132, 1e-131,
1e-130, 1e-129, 1e-128, 1e-127, 1e-126, 1e-125, 1e-124, 1e-123, 1e-122, 1e-121,
1e-120, 1e-119, 1e-118, 1e-117, 1e-116, 1e-115, 1e-114, 1e-113, 1e-112, 1e-111,
1e-110, 1e-109, 1e-108, 1e-107, 1e-106, 1e-105, 1e-104, 1e-103, 1e-102, 1e-101,
1e-100, 1e-099, 1e-098, 1e-097, 1e-096, 1e-095, 1e-094, 1e-093, 1e-092, 1e-091,
1e-090, 1e-089, 1e-088, 1e-087, 1e-086, 1e-085, 1e-084, 1e-083, 1e-082, 1e-081,
1e-080, 1e-079, 1e-078, 1e-077, 1e-076, 1e-075, 1e-074, 1e-073, 1e-072, 1e-071,
1e-070, 1e-069, 1e-068, 1e-067, 1e-066, 1e-065, 1e-064, 1e-063, 1e-062, 1e-061,
1e-060, 1e-059, 1e-058, 1e-057, 1e-056, 1e-055, 1e-054, 1e-053, 1e-052, 1e-051,
1e-050, 1e-049, 1e-048, 1e-047, 1e-046, 1e-045, 1e-044, 1e-043, 1e-042, 1e-041,
1e-040, 1e-039, 1e-038, 1e-037, 1e-036, 1e-035, 1e-034, 1e-033, 1e-032, 1e-031,
1e-030, 1e-029, 1e-028, 1e-027, 1e-026, 1e-025, 1e-024, 1e-023, 1e-022, 1e-021,
1e-020, 1e-019, 1e-018, 1e-017, 1e-016, 1e-015, 1e-014, 1e-013, 1e-012, 1e-011,
1e-010, 1e-009, 1e-008, 1e-007, 1e-006, 1e-005, 1e-004, 1e-003, 1e-002, 1e-001,
1e+000, 1e+001, 1e+002, 1e+003, 1e+004, 1e+005, 1e+006, 1e+007, 1e+008, 1e+009,
1e+010, 1e+011, 1e+012, 1e+013, 1e+014, 1e+015, 1e+016, 1e+017, 1e+018, 1e+019,
1e+020, 1e+021, 1e+022, 1e+023, 1e+024, 1e+025, 1e+026, 1e+027, 1e+028, 1e+029,
1e+030, 1e+031, 1e+032, 1e+033, 1e+034, 1e+035, 1e+036, 1e+037, 1e+038, 1e+039,
1e+040, 1e+041, 1e+042, 1e+043, 1e+044, 1e+045, 1e+046, 1e+047, 1e+048, 1e+049,
1e+050, 1e+051, 1e+052, 1e+053, 1e+054, 1e+055, 1e+056, 1e+057, 1e+058, 1e+059,
1e+060, 1e+061, 1e+062, 1e+063, 1e+064, 1e+065, 1e+066, 1e+067, 1e+068, 1e+069,
1e+070, 1e+071, 1e+072, 1e+073, 1e+074, 1e+075, 1e+076, 1e+077, 1e+078, 1e+079,
1e+080, 1e+081, 1e+082, 1e+083, 1e+084, 1e+085, 1e+086, 1e+087, 1e+088, 1e+089,
1e+090, 1e+091, 1e+092, 1e+093, 1e+094, 1e+095, 1e+096, 1e+097, 1e+098, 1e+099,
1e+100, 1e+101, 1e+102, 1e+103, 1e+104, 1e+105, 1e+106, 1e+107, 1e+108, 1e+109,
1e+110, 1e+111, 1e+112, 1e+113, 1e+114, 1e+115, 1e+116, 1e+117, 1e+118, 1e+119,
1e+120, 1e+121, 1e+122, 1e+123, 1e+124, 1e+125, 1e+126, 1e+127, 1e+128, 1e+129,
1e+130, 1e+131, 1e+132, 1e+133, 1e+134, 1e+135, 1e+136, 1e+137, 1e+138, 1e+139,
1e+140, 1e+141, 1e+142, 1e+143, 1e+144, 1e+145, 1e+146, 1e+147, 1e+148, 1e+149,
1e+150, 1e+151, 1e+152, 1e+153, 1e+154, 1e+155, 1e+156, 1e+157, 1e+158, 1e+159,
1e+160, 1e+161, 1e+162, 1e+163, 1e+164, 1e+165, 1e+166, 1e+167, 1e+168, 1e+169,
1e+170, 1e+171, 1e+172, 1e+173, 1e+174, 1e+175, 1e+176, 1e+177, 1e+178, 1e+179,
1e+180, 1e+181, 1e+182, 1e+183, 1e+184, 1e+185, 1e+186, 1e+187, 1e+188, 1e+189,
1e+190, 1e+191, 1e+192, 1e+193, 1e+194, 1e+195, 1e+196, 1e+197, 1e+198, 1e+199,
1e+200, 1e+201, 1e+202, 1e+203, 1e+204, 1e+205, 1e+206, 1e+207, 1e+208, 1e+209,
1e+210, 1e+211, 1e+212, 1e+213, 1e+214, 1e+215, 1e+216, 1e+217, 1e+218, 1e+219,
1e+220, 1e+221, 1e+222, 1e+223, 1e+224, 1e+225, 1e+226, 1e+227, 1e+228, 1e+229,
1e+230, 1e+231, 1e+232, 1e+233, 1e+234, 1e+235, 1e+236, 1e+237, 1e+238, 1e+239,
1e+240, 1e+241, 1e+242, 1e+243, 1e+244, 1e+245, 1e+246, 1e+247, 1e+248, 1e+249,
1e+250, 1e+251, 1e+252, 1e+253, 1e+254, 1e+255, 1e+256, 1e+257, 1e+258, 1e+259,
1e+260, 1e+261, 1e+262, 1e+263, 1e+264, 1e+265, 1e+266, 1e+267, 1e+268, 1e+269,
1e+270, 1e+271, 1e+272, 1e+273, 1e+274, 1e+275, 1e+276, 1e+277, 1e+278, 1e+279,
1e+280, 1e+281, 1e+282, 1e+283, 1e+284, 1e+285, 1e+286, 1e+287, 1e+288, 1e+289,
1e+290, 1e+291, 1e+292, 1e+293, 1e+294, 1e+295, 1e+296, 1e+297, 1e+298, 1e+299,
1e+300, 1e+301, 1e+302, 1e+303, 1e+304, 1e+305, 1e+306, 1e+307, 1e+308 };
if (exp < -308 || exp > 308)
{
return std::pow(10.0, exp);
}
else
{
exp += 308;
BOOST_ASSERT(exp >= 0 && exp < 618);
return tab[exp];
}
}
inline
double
dec_to_float(
std::uint64_t m,
std::int32_t e,
bool neg) noexcept
{
if(neg)
return (-static_cast<
double>(m)) *
pow10(e);
return (static_cast<
double>(m)) *
pow10(e);
}
// return true on '-' '0' '1'..'9'.
// caller consumes ch on true
bool
number_parser::
maybe_init(char ch) noexcept
{
if(ch == '-')
{
n_.u = 0;
n_.kind = kind::int64;
exp_ = 0;
dig_ = 0;
pos_ = -1;
sig_ = 0;
neg_ = true;
st_ = state::init0;
return true;
}
unsigned char const d = ch - '0';
if(d >= 10)
return false;
n_.u = d;
exp_ = 0;
pos_ = -1;
sig_ = 0;
neg_ = false;
n_.kind = kind::int64;
if(ch == '0')
{
dig_ = 0;
st_ = state::init1;
}
else
{
dig_ = 1;
sig_ = 1;
st_ = state::mant;
}
return true;
}
size_t
number_parser::
write_some(
char const* const data,
size_t const size,
error_code& ec) noexcept
{
auto p = data;
auto const p0 = data;
auto const p1 = data + size;
//ec = {};
loop:
switch(st_)
{
case state::init:
if(p >= p1)
break;
if(! maybe_init(*p))
{
ec = error::not_number;
goto finish;
}
++p;
goto loop;
//-----------------------------------
// [0,1..9]
case state::init0:
{
// got minus sign
BOOST_ASSERT(neg_);
BOOST_ASSERT(
n_.kind == kind::int64);
if(p >= p1)
break;
unsigned char const d = *p - '0';
if(d >= 10)
{
ec = error::expected_mantissa;
goto finish;
}
++p;
if(d == 0)
{
st_ = state::init1;
goto loop;
}
n_.u = d;
dig_ = 1;
sig_ = 1;
st_ = state::mantn;
goto loop;
}
// [.eE]
case state::init1:
{
// got leading 0
BOOST_ASSERT(
n_.kind == kind::int64);
if(p >= p1)
break;
if(*p == '.')
{
BOOST_ASSERT(pos_ < 0);
BOOST_ASSERT(dig_ == 0);
++p;
pos_ = 0;
st_ = state::mantf;
n_.kind = kind::double_;
goto do_mantf;
}
if((*p | 32) == 'e') // 'E' or 'e'
{
++p;
n_.kind = kind::double_;
st_ = state::exp1;
goto loop;
}
unsigned char const d = *p - '0';
if(d < 10)
{
ec = error::expected_fraction;
goto finish;
}
// reached end of number
st_ = state::end;
goto finish;
}
// 1*digit
do_mantf:
case state::mantf:
{
if (p >= p1)
break;
unsigned char const d = *p - '0';
if(d < 10)
{
if(d == 0 && n_.u == 0)
{
++p;
++dig_;
st_ = state::zeroes;
goto do_zeroes;
}
if(neg_)
{
st_ = state::mantn;
goto do_mantn;
}
st_ = state::mant;
goto do_mant;
}
ec = error::expected_fraction;
goto finish;
}
// *[0]
do_zeroes:
case state::zeroes:
{
BOOST_ASSERT(pos_ == 0);
while(p < p1)
{
unsigned char const d = *p - '0';
if(d == 0)
{
++p;
++dig_;
continue;
}
if(d < 10 ||
*p == 'e' || *p == 'E')
{
if(neg_)
st_ = state::mantn;
else
st_ = state::mant;
goto loop;
}
// reached end of number
st_ = state::end;
goto finish;
}
break;
}
//-----------------------------------
// *[0..9]
do_mant:
case state::mant:
{
BOOST_ASSERT(! neg_);
if(p >= p1)
break;
auto m = n_.u;
do
{
unsigned char const d = *p - '0';
if(d < 10)
{
// 18446744073709551615 UINT64_MAX
if( m > 1844674407370955161 || (
m == 1844674407370955161 && d > 5))
{
n_.u = m;
goto enter_mantd;
}
++p;
// VFALCO Check dig_ for overflow
// Could use an implementation-defined limit
// which is lower than USHRT_MAX
++dig_;
++sig_;
m = 10 * m + d;
continue;
}
if(*p == '.' && pos_ < 0)
{
++p;
pos_ = dig_;
n_.kind = kind::double_;
st_ = state::mantf;
n_.u = m;
goto loop;
}
if(*p == 'e' || *p == 'E')
{
// treat 'E' as '.'
if (pos_ < 0)
pos_ = dig_;
++p;
n_.u = m;
n_.kind = kind::double_;
st_ = state::exp1;
goto loop;
}
// reached end of number
n_.u = m;
finish(ec);
goto finish;
}
while(p < p1);
n_.u = m;
break;
}
// *[0..9] (negative)
do_mantn:
case state::mantn:
{
BOOST_ASSERT(neg_);
if(p >= p1)
break;
auto m = n_.u;
do
{
unsigned char const d = *p - '0';
if(d < 10)
{
// 9223372036854775808 INT64_MIN
if( m > 922337203685477580 || (
m == 922337203685477580 && d > 8))
{
n_.u = m;
goto enter_mantd;
}
++p;
// VFALCO Check dig_ for overflow
// Could use an implementation-defined limit
// which is lower than USHRT_MAX
++sig_;
++dig_;
m = 10 * m + d;
continue;
}
if(*p == '.' && pos_ < 0)
{
++p;
pos_ = dig_;
n_.kind = kind::double_;
n_.u = m;
st_ = state::mantf;
goto loop;
}
if(*p == 'e' || *p == 'E')
{
// treat 'E' as '.'
if (pos_ < 0)
pos_ = dig_;
++p;
n_.u = m;
n_.kind = kind::double_;
st_ = state::exp1;
goto loop;
}
// reached end of number
n_.u = m;
finish(ec);
goto finish;
}
while(p < p1);
n_.u = m;
break;
}
enter_mantd:
// make sure we are past the
// limit of double precision.
BOOST_ASSERT(sig_ == dig_);
BOOST_ASSERT(dig_ >= 18);
++p;
// VFALCO Check dig_ for overflow
// Could use an implementation-defined limit
// which is lower than USHRT_MAX
++dig_;
st_ = state::mantd;
n_.kind = kind::double_;
BOOST_FALLTHROUGH;
// *[0..9] (double)
case state::mantd:
{
while(p < p1)
{
if(*p == '.' && pos_ < 0)
{
++p;
pos_ = dig_;
continue;
}
if(*p == 'e' || *p == 'E')
{
// treat 'E' as '.'
if (pos_ < 0)
pos_ = dig_;
++p;
st_ = state::exp1;
goto loop;
}
unsigned char const d = *p - '0';
if(d >= 10)
{
// reached end of number
finish(ec);
goto finish;
}
++p;
// VFALCO Check dig_ for overflow
// Could use an implementation-defined limit
// which is lower than USHRT_MAX
++dig_;
}
break;
}
//-----------------------------------
// [-+,0..9]
case state::exp1:
{
BOOST_ASSERT(
n_.kind == kind::double_);
if(p >= p1)
break;
if(*p == '-')
{
++p;
eneg_ = true;
}
else
{
if(*p == '+')
++p;
eneg_ = false;
}
st_ = state::exp2;
BOOST_FALLTHROUGH;
}
// [0..9]
case state::exp2:
{
if(p >= p1)
break;
unsigned char const d = *p - '0';
if(d >= 10)
{
ec = error::expected_exponent;
goto finish;
}
++p;
exp_ = d;
st_ = state::exp3;
BOOST_FALLTHROUGH;
}
// *[0..9]
case state::exp3:
{
if(p < p1)
{
// VFALCO FIX
auto const lim = 700;//308 - off_;
auto e = exp_;
while(p < p1)
{
unsigned char const d = *p - '0';
if(d < 10)
{
++p;
e = 10 * e + d;
if(e > lim)
{
ec = error::exponent_overflow;
goto finish;
}
continue;
}
exp_ = e;
finish(ec);
goto finish;
}
while(p < p1);
exp_ = e;
}
break;
}
case state::end:
ec = error::extra_data;
break;
}
finish:
return p - p0;
}
size_t
number_parser::
write(
char const* data,
size_t size,
error_code& ec) noexcept
{
auto n = write_some(
data, size, ec);
if(ec)
return n;
if(n < size)
{
n += write_some(
data + n, size - n, ec);
if(ec)
return n;
}
finish(ec);
return n;
}
void
number_parser::
finish(
error_code& ec) noexcept
{
switch(st_)
{
case state::init:
case state::init0:
ec = error::expected_mantissa;
break;
case state::init1:
BOOST_ASSERT(n_.u == 0);
BOOST_ASSERT(
n_.kind == kind::int64);
//ec = {};
st_ = state::end;
break;
case state::zeroes:
BOOST_ASSERT(n_.u == 0);
if(pos_ == dig_)
{
ec = error::expected_fraction;
break;
}
if(pos_ >= 0)
{
BOOST_ASSERT(
n_.kind == kind::double_);
if(neg_)
n_.d = -0.0;
else
n_.d = 0;
}
else
{
BOOST_ASSERT(
n_.kind == kind::int64);
n_.i = 0;
}
st_ = state::end;
break;
case state::mantf:
ec = error::expected_fraction;
break;
case state::mant:
BOOST_ASSERT(! neg_);
BOOST_FALLTHROUGH;
case state::mantn:
BOOST_ASSERT(dig_ > 0);
if(pos_ == dig_)
{
ec = error::expected_fraction;
break;
}
if(n_.kind == kind::double_)
{
if( pos_ < 0)
pos_ = dig_;
n_.d = dec_to_float(
n_.u, pos_ - dig_, neg_);
}
else
{
BOOST_ASSERT(
n_.kind == kind::int64);
if(st_ == state::mantn)
{
n_.i = static_cast<
int64_t>(~n_.u+1);
}
else
{
if( n_.u <= INT64_MAX)
n_.i = static_cast<
int64_t>(n_.u);
else
n_.kind = kind::uint64;
}
}
st_ = state::end;
break;
case state::mantd:
BOOST_ASSERT(
n_.kind == kind::double_);
if(pos_ == dig_)
{
ec = error::expected_fraction;
break;
}
if( pos_ < 0)
pos_ = dig_;
#if 0
n_.d = static_cast<double>(n_.u) *
pow10(pos_ - sig_);
if(neg_)
n_.d = -n_.d;
n_.d *= pow10(exp_);
#else
n_.d = dec_to_float(n_.u,
pos_ - sig_ + exp_, neg_);
#endif
st_ = state::end;
break;
case state::exp1: // expected [-,+,0..9]
ec = error::expected_exponent;
break;
case state::exp2: // expected [0..9]
ec = error::expected_exponent;
break;
case state::exp3:
{
if (eneg_)
exp_ = -exp_;
if (pos_ == 0)
{
// abs(mantissa) < 1
exp_ = static_cast<short>(
exp_ + sig_ - dig_ - 1);
}
else
{
// abs(mantissa) >= 1
exp_ = static_cast<short>(
exp_ + pos_ - sig_);
}
n_.d = dec_to_float(
n_.u, exp_, neg_);
st_ = state::end;
break;
}
case state::end:
break;
}
}
} // detail
} // json
} // boost
#endif

114
include/boost/json/detail/number.hpp
View File

@@ -1,114 +0,0 @@
//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/vinniefalco/json
//
#ifndef BOOST_JSON_DETAIL_NUMBER_HPP
#define BOOST_JSON_DETAIL_NUMBER_HPP
#include <boost/json/config.hpp>
#include <boost/json/error.hpp>
#include <boost/json/kind.hpp>
#include <cmath>
#include <type_traits>
namespace boost {
namespace json {
namespace detail {
struct number
{
union
{
double d;
int64_t i;
uint64_t u;
};
json::kind kind;
};
//----------------------------------------------------------
class number_parser
{
enum class state
{
init, init0, init1,
mantf,
zeroes,
mant, mantn, mantd,
exp1, exp2, exp3,
end
};
number n_;
short exp_; // exponent string as integer
short dig_; // digits in mantissa
short pos_; // position of decimal point
short sig_; // significant digits in mantissa
bool neg_;
bool eneg_;
state st_;
public:
number_parser()
: st_(state::init)
{
}
number
get() const noexcept
{
return n_;
}
bool
is_done() const noexcept
{
return st_ == state::end;
}
void
reset()
{
st_ = state::init;
}
BOOST_JSON_DECL
bool
maybe_init(char ch) noexcept;
BOOST_JSON_DECL
size_t
write_some(
char const* data,
size_t size,
error_code& ec) noexcept;
BOOST_JSON_DECL
size_t
write(
char const* data,
size_t size,
error_code& ec) noexcept;
BOOST_JSON_DECL
void
finish(
error_code& ec) noexcept;
};
} // detail
} // json
} // boost
#ifdef BOOST_JSON_HEADER_ONLY
#include <boost/json/detail/impl/number.ipp>
#endif
#endif

117
include/boost/json/impl/basic_parser.ipp
View File

@@ -13,9 +13,8 @@
#include <boost/json/basic_parser.hpp>
#include <boost/json/error.hpp>
#include <boost/json/detail/buffer.hpp>
#include <boost/json/detail/number.hpp>
#include <boost/json/detail/impl/number.ipp>
#include <boost/json/detail/sse2.hpp>
#include <cmath>
namespace boost {
namespace json {
@@ -48,6 +47,120 @@ enum class basic_parser::state : char
//----------------------------------------------------------
namespace detail {
/* References
https://ampl.com/netlib/fp/dtoa.c
*/
inline
double
pow10(int exp) noexcept
{
static double const tab[618] = {
1e-308, 1e-307, 1e-306, 1e-305, 1e-304, 1e-303, 1e-302, 1e-301,
1e-300, 1e-299, 1e-298, 1e-297, 1e-296, 1e-295, 1e-294, 1e-293, 1e-292, 1e-291,
1e-290, 1e-289, 1e-288, 1e-287, 1e-286, 1e-285, 1e-284, 1e-283, 1e-282, 1e-281,
1e-280, 1e-279, 1e-278, 1e-277, 1e-276, 1e-275, 1e-274, 1e-273, 1e-272, 1e-271,
1e-270, 1e-269, 1e-268, 1e-267, 1e-266, 1e-265, 1e-264, 1e-263, 1e-262, 1e-261,
1e-260, 1e-259, 1e-258, 1e-257, 1e-256, 1e-255, 1e-254, 1e-253, 1e-252, 1e-251,
1e-250, 1e-249, 1e-248, 1e-247, 1e-246, 1e-245, 1e-244, 1e-243, 1e-242, 1e-241,
1e-240, 1e-239, 1e-238, 1e-237, 1e-236, 1e-235, 1e-234, 1e-233, 1e-232, 1e-231,
1e-230, 1e-229, 1e-228, 1e-227, 1e-226, 1e-225, 1e-224, 1e-223, 1e-222, 1e-221,
1e-220, 1e-219, 1e-218, 1e-217, 1e-216, 1e-215, 1e-214, 1e-213, 1e-212, 1e-211,
1e-210, 1e-209, 1e-208, 1e-207, 1e-206, 1e-205, 1e-204, 1e-203, 1e-202, 1e-201,
1e-200, 1e-199, 1e-198, 1e-197, 1e-196, 1e-195, 1e-194, 1e-193, 1e-192, 1e-191,
1e-190, 1e-189, 1e-188, 1e-187, 1e-186, 1e-185, 1e-184, 1e-183, 1e-182, 1e-181,
1e-180, 1e-179, 1e-178, 1e-177, 1e-176, 1e-175, 1e-174, 1e-173, 1e-172, 1e-171,
1e-170, 1e-169, 1e-168, 1e-167, 1e-166, 1e-165, 1e-164, 1e-163, 1e-162, 1e-161,
1e-160, 1e-159, 1e-158, 1e-157, 1e-156, 1e-155, 1e-154, 1e-153, 1e-152, 1e-151,
1e-150, 1e-149, 1e-148, 1e-147, 1e-146, 1e-145, 1e-144, 1e-143, 1e-142, 1e-141,
1e-140, 1e-139, 1e-138, 1e-137, 1e-136, 1e-135, 1e-134, 1e-133, 1e-132, 1e-131,
1e-130, 1e-129, 1e-128, 1e-127, 1e-126, 1e-125, 1e-124, 1e-123, 1e-122, 1e-121,
1e-120, 1e-119, 1e-118, 1e-117, 1e-116, 1e-115, 1e-114, 1e-113, 1e-112, 1e-111,
1e-110, 1e-109, 1e-108, 1e-107, 1e-106, 1e-105, 1e-104, 1e-103, 1e-102, 1e-101,
1e-100, 1e-099, 1e-098, 1e-097, 1e-096, 1e-095, 1e-094, 1e-093, 1e-092, 1e-091,
1e-090, 1e-089, 1e-088, 1e-087, 1e-086, 1e-085, 1e-084, 1e-083, 1e-082, 1e-081,
1e-080, 1e-079, 1e-078, 1e-077, 1e-076, 1e-075, 1e-074, 1e-073, 1e-072, 1e-071,
1e-070, 1e-069, 1e-068, 1e-067, 1e-066, 1e-065, 1e-064, 1e-063, 1e-062, 1e-061,
1e-060, 1e-059, 1e-058, 1e-057, 1e-056, 1e-055, 1e-054, 1e-053, 1e-052, 1e-051,
1e-050, 1e-049, 1e-048, 1e-047, 1e-046, 1e-045, 1e-044, 1e-043, 1e-042, 1e-041,
1e-040, 1e-039, 1e-038, 1e-037, 1e-036, 1e-035, 1e-034, 1e-033, 1e-032, 1e-031,
1e-030, 1e-029, 1e-028, 1e-027, 1e-026, 1e-025, 1e-024, 1e-023, 1e-022, 1e-021,
1e-020, 1e-019, 1e-018, 1e-017, 1e-016, 1e-015, 1e-014, 1e-013, 1e-012, 1e-011,
1e-010, 1e-009, 1e-008, 1e-007, 1e-006, 1e-005, 1e-004, 1e-003, 1e-002, 1e-001,
1e+000, 1e+001, 1e+002, 1e+003, 1e+004, 1e+005, 1e+006, 1e+007, 1e+008, 1e+009,
1e+010, 1e+011, 1e+012, 1e+013, 1e+014, 1e+015, 1e+016, 1e+017, 1e+018, 1e+019,
1e+020, 1e+021, 1e+022, 1e+023, 1e+024, 1e+025, 1e+026, 1e+027, 1e+028, 1e+029,
1e+030, 1e+031, 1e+032, 1e+033, 1e+034, 1e+035, 1e+036, 1e+037, 1e+038, 1e+039,
1e+040, 1e+041, 1e+042, 1e+043, 1e+044, 1e+045, 1e+046, 1e+047, 1e+048, 1e+049,
1e+050, 1e+051, 1e+052, 1e+053, 1e+054, 1e+055, 1e+056, 1e+057, 1e+058, 1e+059,
1e+060, 1e+061, 1e+062, 1e+063, 1e+064, 1e+065, 1e+066, 1e+067, 1e+068, 1e+069,
1e+070, 1e+071, 1e+072, 1e+073, 1e+074, 1e+075, 1e+076, 1e+077, 1e+078, 1e+079,
1e+080, 1e+081, 1e+082, 1e+083, 1e+084, 1e+085, 1e+086, 1e+087, 1e+088, 1e+089,
1e+090, 1e+091, 1e+092, 1e+093, 1e+094, 1e+095, 1e+096, 1e+097, 1e+098, 1e+099,
1e+100, 1e+101, 1e+102, 1e+103, 1e+104, 1e+105, 1e+106, 1e+107, 1e+108, 1e+109,
1e+110, 1e+111, 1e+112, 1e+113, 1e+114, 1e+115, 1e+116, 1e+117, 1e+118, 1e+119,
1e+120, 1e+121, 1e+122, 1e+123, 1e+124, 1e+125, 1e+126, 1e+127, 1e+128, 1e+129,
1e+130, 1e+131, 1e+132, 1e+133, 1e+134, 1e+135, 1e+136, 1e+137, 1e+138, 1e+139,
1e+140, 1e+141, 1e+142, 1e+143, 1e+144, 1e+145, 1e+146, 1e+147, 1e+148, 1e+149,
1e+150, 1e+151, 1e+152, 1e+153, 1e+154, 1e+155, 1e+156, 1e+157, 1e+158, 1e+159,
1e+160, 1e+161, 1e+162, 1e+163, 1e+164, 1e+165, 1e+166, 1e+167, 1e+168, 1e+169,
1e+170, 1e+171, 1e+172, 1e+173, 1e+174, 1e+175, 1e+176, 1e+177, 1e+178, 1e+179,
1e+180, 1e+181, 1e+182, 1e+183, 1e+184, 1e+185, 1e+186, 1e+187, 1e+188, 1e+189,
1e+190, 1e+191, 1e+192, 1e+193, 1e+194, 1e+195, 1e+196, 1e+197, 1e+198, 1e+199,
1e+200, 1e+201, 1e+202, 1e+203, 1e+204, 1e+205, 1e+206, 1e+207, 1e+208, 1e+209,
1e+210, 1e+211, 1e+212, 1e+213, 1e+214, 1e+215, 1e+216, 1e+217, 1e+218, 1e+219,
1e+220, 1e+221, 1e+222, 1e+223, 1e+224, 1e+225, 1e+226, 1e+227, 1e+228, 1e+229,
1e+230, 1e+231, 1e+232, 1e+233, 1e+234, 1e+235, 1e+236, 1e+237, 1e+238, 1e+239,
1e+240, 1e+241, 1e+242, 1e+243, 1e+244, 1e+245, 1e+246, 1e+247, 1e+248, 1e+249,
1e+250, 1e+251, 1e+252, 1e+253, 1e+254, 1e+255, 1e+256, 1e+257, 1e+258, 1e+259,
1e+260, 1e+261, 1e+262, 1e+263, 1e+264, 1e+265, 1e+266, 1e+267, 1e+268, 1e+269,
1e+270, 1e+271, 1e+272, 1e+273, 1e+274, 1e+275, 1e+276, 1e+277, 1e+278, 1e+279,
1e+280, 1e+281, 1e+282, 1e+283, 1e+284, 1e+285, 1e+286, 1e+287, 1e+288, 1e+289,
1e+290, 1e+291, 1e+292, 1e+293, 1e+294, 1e+295, 1e+296, 1e+297, 1e+298, 1e+299,
1e+300, 1e+301, 1e+302, 1e+303, 1e+304, 1e+305, 1e+306, 1e+307, 1e+308 };
if (exp < -308 || exp > 308)
{
return std::pow(10.0, exp);
}
else
{
exp += 308;
BOOST_ASSERT(exp >= 0 && exp < 618);
return tab[exp];
}
}
inline
double
dec_to_float(
std::uint64_t m,
std::int32_t e,
bool neg) noexcept
{
if(neg)
return (-static_cast<
double>(m)) *
pow10(e);
return (static_cast<
double>(m)) *
pow10(e);
}
} // detail
//----------------------------------------------------------
bool
basic_parser::
is_control(char c) noexcept

1
include/boost/json/src.hpp
View File

@@ -39,7 +39,6 @@ in a translation unit of the program.
#include <boost/json/detail/impl/array_impl.ipp>
#include <boost/json/detail/impl/format.ipp>
#include <boost/json/detail/impl/number.ipp>
#include <boost/json/detail/impl/object_impl.ipp>
#include <boost/json/detail/impl/raw_stack.ipp>
#include <boost/json/detail/impl/stack.ipp>