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njuffa has asked 34 questions and find answers to 179 problems.

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njuffa questions

Accurate computation of PDF of standard normal distribution using C standard math library
3D Morton code computation utilizing carry-less multiplication
Fast BCD addition
Efficient and accurate computation of the reciprocal of hypot(a,b)
Efficient AVX2 implementation of a 17x17-bit squaring operation with result truncation
Fast implementation of complementary error function with 5-digit accuracy
Optimized 53->32 bit modulo computation on 32-bit processors
Accurate floating-point computation of the sum and difference of two products
Robustly and accurately computing natural logarithm of quotient of two floating-point numbers
Accurate vectorizable implementation of acosf()

njuffa answers

C - adding two single-precision floating point normal numbers, can't get result to infinity
Accurate computation of PDF of standard normal distribution using C standard math library
cuda SIMD instruction for per-byte multiplication with unsigned saturation
On a Cortex M0 how expensive is a floating point compare vs an integer compare?
32-bit signed integer multiplication without using 64-bit data type
How to refine floating-point division on FMA-capable GPUs?
CUDA can't use all available constant memory
Floating point: Can I skip the sticky bit if I am only rounding ties to away?
Collapse __mask64 aka 64-bit integer value, counting nibbles that have all bits set?
tan(x) approximation to double precision on |x| < pi/4