Matty Muir

Alignment in C++ (alignof, alignas, std::alignment_of, placement new)

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**Channel** C++Weekly **Topics** Discussion about alignment of objects in C++: how to achieve specific alignments on stack & heap and why it's important. How alignment works with operator new (specifically,...

Atanh returning values slightly outside the specified error bound

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**Describe the bug** The `Sleef_atanhd1_u10purec` function is returning values with an error of slightly more than 1ULP for arguments around 10^-17. I've also experienced similar issues with other atanh functions,...

Documentation for acosh states an incorrect range.

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**Where?** https://sleef.org/2-references/libm/#sleef_acosh_u10 **What?** This is a very minor point, but in the description for `acosh` it states ranges of `[-1.34e+154, 1.34e+154]` for double precision and `[-1.84e+19, 1.84e+19]` for single precision....

Exp and pow return infinity too early

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**Describe the bug** The `exp` function (for SIMD and pure C) returns infinity for all values past a certain threshold, but this threshold is slightly lower than it should be....