calccrypto / integer Goto Github PK
View Code? Open in Web Editor NEWA drop-in "bigint" C++ class
License: MIT License
A drop-in "bigint" C++ class
License: MIT License
I'm getting an ambiguity with clang. This is actually on a fork I made to prepare for
shared library visibility stuff:
+ /usr/bin/clang++ -c -std=c++14 -D_POSIX -w -fno-common -fvisibility=hidden
-fno-strict-aliasing -fomit-frame-pointer -Ibuild/release/share/src/integer
-DFLX_STATIC_LINK -Wfatal-errors -Wno-invalid-offsetof -Wno-parentheses -o build/release/obj/host/lib/rtl/flx_integer_static/build/release/share/src/integer/integer_static.o -MMD -MF /var/folders/km/g22y_d_j311d44xbkz5x4lww0000gn/T/tmp0tp6pja9/temp
build/release/share/src/integer/integer.cpp
build/release/share/src/integer/integer.cpp:222:31: fatal error: conversion
from 'const integer' to 'const integer::REP_SIZE_T' (aka 'const unsigned long')
is ambiguous
const integer::REP_SIZE_T max_bits = std::max(bits(), rhs.bits());
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
build/release/share/src/integer/integer.include:159:9: note: candidate function
operator bool() const;
^
build/release/share/src/integer/integer.include:160:9: note: candidate function
operator uint8_t() const;
^
build/release/share/src/integer/integer.include:161:9: note: candidate function
operator uint16_t() const;
^
build/release/share/src/integer/integer.include:162:9: note: candidate function
operator uint32_t() const;
^
build/release/share/src/integer/integer.include:163:9: note: candidate function
operator uint64_t() const;
^
build/release/share/src/integer/integer.include:164:9: note: candidate function
operator int8_t() const;
^
build/release/share/src/integer/integer.include:165:9: note: candidate function
operator int16_t() const;
^
build/release/share/src/integer/integer.include:166:9: note: candidate function
operator int32_t() const;
^
build/release/share/src/integer/integer.include:167:9: note: candidate function
operator int64_t() const;
^```
FFT struggles when multiplying 2048bit numbers, I tried to replace it with karatsuba as described in the readme
, and it just seg-faulted.
Have you tried benchmarking the basic arithmetic operations?
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