[ANN] Quadmath.jl

#1

I’ve recently tagged a v0.3 of Quadmath.jl: this provides a Float128 type which implements IEEE 128-bit floating point numbers, and runs on Windows, Linux and MacOS.

These offer higher-precision than hardware-supported floats (Float32/Float64), but should be faster than arbitrary-precision BigFloats.

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#2

Could you give a comparison to DoubleFloats?

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#3

It should have marginally better precision and a much greater exponent range than DoubleFloats. I suspect the performance would be worse, but haven’t compared them.

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