chtz

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chtz has asked 6 questions and find answers to 86 problems.

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chtz questions

Breaking change in C++20 or regression in clang-trunk/gcc-trunk when overloading equality comparison with non-Boolean return value?

chtz answers

Accurate sqrt(1 + (x/2)^2) + x/2
Intel vector instruction to zero-extend 8 4-bit values packed in a 32-bit int to a __m256i?
Add saturate 32-bit signed ints intrinsics?
Why can't clang vectorise this loop over a std::span, writing results to a std::array?
Best way to mask a single bit in AVX2?
How to fix a warning (ignoring attributes) with a `vector` of `__m256`
Eigen template on scalar type
How to get original order of eigenvalues using Eigen?
68000 Assembly – Build a String from Characters *not* Present in Another & Return Its Length (stack-passed params)
Accumulating Doubles Into Bins via intrinsics