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from 731a32b3fa7 c++: More precise tracking of potentially unstable satisfaction new e3f0eaa2829 libstdc++: Import parts of the Ryu library new 5033506993e libstdc++: Apply modifications to our local copy of Ryu new 3c57e692357 libstdc++: Add floating-point std::to_chars implementation new ddb9c661c2f libstdc++: Import MSVC floating-point std::to_chars testcases
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Summary of changes: libstdc++-v3/config/abi/pre/gnu.ver | 7 + libstdc++-v3/include/std/charconv | 24 + libstdc++-v3/src/c++17/Makefile.am | 1 + libstdc++-v3/src/c++17/Makefile.in | 3 +- libstdc++-v3/src/c++17/floating_to_chars.cc | 1563 + {libsanitizer => libstdc++-v3/src/c++17/ryu}/MERGE | 2 +- libstdc++-v3/src/c++17/ryu/common.h | 95 + libstdc++-v3/src/c++17/ryu/d2fixed.c | 737 + libstdc++-v3/src/c++17/ryu/d2fixed_full_table.h | 4419 ++ libstdc++-v3/src/c++17/ryu/d2s.c | 485 + libstdc++-v3/src/c++17/ryu/d2s_full_table.h | 367 + libstdc++-v3/src/c++17/ryu/d2s_intrinsics.h | 354 + libstdc++-v3/src/c++17/ryu/digit_table.h | 35 + libstdc++-v3/src/c++17/ryu/f2s.c | 321 + libstdc++-v3/src/c++17/ryu/f2s_intrinsics.h | 124 + libstdc++-v3/src/c++17/ryu/generic_128.c | 305 + libstdc++-v3/src/c++17/ryu/generic_128.h | 517 + libstdc++-v3/src/c++17/ryu/ryu_generic_128.h | 70 + libstdc++-v3/testsuite/20_util/to_chars/double.cc | 57000 +++++++++++++++++++ libstdc++-v3/testsuite/20_util/to_chars/float.cc | 4142 ++ .../testsuite/20_util/to_chars/long_double.cc | 199 + 21 files changed, 70768 insertions(+), 2 deletions(-) create mode 100644 libstdc++-v3/src/c++17/floating_to_chars.cc copy {libsanitizer => libstdc++-v3/src/c++17/ryu}/MERGE (73%) create mode 100644 libstdc++-v3/src/c++17/ryu/common.h create mode 100644 libstdc++-v3/src/c++17/ryu/d2fixed.c create mode 100644 libstdc++-v3/src/c++17/ryu/d2fixed_full_table.h create mode 100644 libstdc++-v3/src/c++17/ryu/d2s.c create mode 100644 libstdc++-v3/src/c++17/ryu/d2s_full_table.h create mode 100644 libstdc++-v3/src/c++17/ryu/d2s_intrinsics.h create mode 100644 libstdc++-v3/src/c++17/ryu/digit_table.h create mode 100644 libstdc++-v3/src/c++17/ryu/f2s.c create mode 100644 libstdc++-v3/src/c++17/ryu/f2s_intrinsics.h create mode 100644 libstdc++-v3/src/c++17/ryu/generic_128.c create mode 100644 libstdc++-v3/src/c++17/ryu/generic_128.h create mode 100644 libstdc++-v3/src/c++17/ryu/ryu_generic_128.h create mode 100644 libstdc++-v3/testsuite/20_util/to_chars/double.cc create mode 100644 libstdc++-v3/testsuite/20_util/to_chars/float.cc create mode 100644 libstdc++-v3/testsuite/20_util/to_chars/long_double.cc