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Changes in version 1.2
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kimwalisch committed Nov 25, 2017
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2017-11-21 Kim Walisch <[email protected]>
2017-11-25 Kim Walisch <[email protected]>

Version 1.2 work in progress.
Version 1.2 released.

This version fixes an integer overflow in the 128-bit version of
primesum and speeds up the 256-bit version of primesum by up
to 30% due to replacing the Boost multiprecision library with
my own highly optimzed int256_t type.
This version fixes an integer overflow in primesum 128-bit
and speeds up primesum 256-bit by up to 30% due to replacing the
Boost multiprecision library with my own highly optimized
int256_t type.

* int256_t.hpp: New 256-bit signed integer type.
* Fix 128-bit integer overflow in phi_sum.cpp.
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