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Efficient floating-point division with constant integer divisors

c algorithm math floating-point division asked Feb 20, 2016 at 19:01

stackoverflow.com

30 votes

Optimized low-accuracy approximation to `rootn(x, n)`

algorithm math floating-point bit-manipulation asked Aug 17, 2015 at 4:10

stackoverflow.com

25 votes

Best machine-optimized polynomial minimax approximation to arctangent on [-1,1]?

c algorithm floating-point asked Nov 1, 2014 at 20:22

stackoverflow.com

25 votes

Efficient computation of the average of three unsigned integers (without overflow)

c algorithm bit-manipulation micro-optimization extended-precision asked Oct 27, 2020 at 21:21

stackoverflow.com

22 votes

Efficient modulo-255 computation

c algorithm assembly bit-manipulation micro-optimization asked Jun 21, 2021 at 20:41

stackoverflow.com

21 votes

Efficiently computing (a - K) / (a + K) with improved accuracy

c algorithm floating-point floating-accuracy asked Feb 16, 2016 at 4:51

stackoverflow.com

19 votes

Implementation of sinpi() and cospi() using standard C math library

c floating-point trigonometry math.h asked Mar 14, 2017 at 17:39

stackoverflow.com

18 votes

Efficient computation of 2**64 / divisor via fast floating-point reciprocal

c x86 floating-point arm division asked Apr 26, 2016 at 1:28

stackoverflow.com

14 votes

Optimal 9-element sorting network that reduces to an optimal median-of-9 network?

algorithm median sorting-network asked Aug 2, 2017 at 6:54

stackoverflow.com

10 votes

Translation of building inscription regarding architect of Alcantara Bridge

classical-latin translation-check latin-to-english-translation inscription asked Sep 8, 2021 at 19:17

latin.stackexchange.com

Top Answers

104

Emulate "double" using 2 "float"s

stackoverflow.com

Why was the caret used for XOR instead of exponentiation?

softwareengineering.stackexchange.com

Is it true that Albert Einstein was kicked out of high school due to his "peacefulness"?

hsm.stackexchange.com

128 bit integer on cuda?

stackoverflow.com

What hair color did Évariste Galois have?

hsm.stackexchange.com

Were postal pneumatic tubes in Berlin (Rohrpost) cleared with wine?

skeptics.stackexchange.com

How is arctan implemented?

stackoverflow.com

stupid + stupid = brilliant in scientific computing

scicomp.stackexchange.com

What did Pete Stewart think he knew about efficient implementation of floating point denormals?

retrocomputing.stackexchange.com

Numerically stable way to compute sqrt((b²*c²) / (1-c²)) for c in [-1, 1]

stackoverflow.com

Fastest Implementation of the Natural Exponential Function Using SSE

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Autistic Assistant of Gauss used to check Primality

hsm.stackexchange.com

Algorithm to convert an IEEE 754 double to a string?

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Algorithm for pow(float, float)

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Was there a battle at "Wodziki" in October 1914?

history.stackexchange.com

Which computer language was the first with two forward slashes ("//") for comments?

retrocomputing.stackexchange.com

Who was Heinrich Kornblum?

hsm.stackexchange.com

Numerically stable method for solving quadratic equations

stackoverflow.com

Very fast approximate Logarithm (natural log) function in C++?

stackoverflow.com

Is it possible to put assembly instructions into CUDA code?

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Who was Richard Thompson?

hsm.stackexchange.com

How do I develop numerical routines for the evaluation of my own special functions?

math.stackexchange.com

Why are denormal floating-point values slower to handle?

stackoverflow.com

Why does Math.cbrt(1728) produce a more accurate result than Math.pow(1728, 1/3)?

stackoverflow.com

Inscriptions on Newton's tomb

hsm.stackexchange.com

Who was Christophorus Uveida?

history.stackexchange.com

How to find the position of the only-set-bit in a 64-bit value using bit manipulation efficiently?

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Why do gcc and NVCC (g++) see two different structure sizes?

stackoverflow.com

Why do higher-precision floating point formats have so many exponent bits?

stackoverflow.com

Implementation of sinpi() and cospi() using standard C math library

stackoverflow.com