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njuffa
njuffa has asked
37
questions and find answers to
191
problems.
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5.9k
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2.0k
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37
questions
191
answers
About
njuffa questions
Unsigned 64x64->128 bit integer multiply on 32-bit platforms
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
njuffa answers
Square root of s15.16 fixed point number in Java
Sideways addition of bit pairs modulo 4
Will repeatedly normalizing an IEEE floating point vector mutate it?
Is there a non-looping unsigned 32-bit integer square root function C
Why isn't 2 equal to √2 * √2?
Is there a C++ function that returns exactly the value of the built-in CPU operation RSQRTSS for inverse square root?
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?
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