njuffa

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njuffa has asked 26 questions and find answers to 148 problems.

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njuffa questions

Robustly and accurately computing natural logarithm of quotient of two floating-point numbers
Accurate vectorizable implementation of acosf()
Accurate computation of scaled complementary error function, erfcx()
Most accurate way to compute asinhf() from log1pf()?
Efficient faithfully-rounded implementation of error function erff()
Vectorizable implementation of complementary error function erfcf()
Implementation of sinpi() and cospi() using standard C math library
Optimal 9-element sorting network that reduces to an optimal median-of-9 network?
Efficient computation of 2**64 / divisor via fast floating-point reciprocal
Efficiently computing (a - K) / (a + K) with improved accuracy

njuffa answers

Scramble a floating point number?
setting up a CUDA 2D "unsigned char" texture for linear interpolation
Fastest way to multiply two 64-bit ints to 128-bit then >> to 64-bit? [duplicate]
checking for nans with intrinsics in c++
What does the fdim acronym stand for?
Approximating cosine on [0,pi] using only single precision floating point
Is inline PTX assembly code powerful?
Underflow error in floating point arithmetic in C
rint not present in Visual Studio 2010 math.h and equivalent of CUDA rint
how does cuda 4.0 support recursion