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njuffa has asked 35 questions and find answers to 185 problems.

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njuffa questions

Branchless count-leading-zeros on 32-bit RISC-V without Zbb extension
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

njuffa answers

Approximately reversible function from a pair of floats to a single float?
Log2 approximation in fixed-point
How to compute the angles of a triangle accurately given squared edge lengths?
Sine approximation, did i beat Remez?
Why don't x86-64 (or other architectures) implement division by 10?
Can we use any value in floating point for customized flags?
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?