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Top Questions
45 votes

Efficient floating-point division with constant integer divisors

c algorithm math floating-point division asked Feb 20 '16 at 19:01
stackoverflow.com

30 votes

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

algorithm math floating-point bit-manipulation asked Aug 17 '15 at 4:10
stackoverflow.com

22 votes

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

c algorithm floating-point asked Nov 1 '14 at 20:22
stackoverflow.com

21 votes

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

c algorithm floating-point floating-accuracy asked Feb 16 '16 at 4:51
stackoverflow.com

17 votes

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

c floating-point bit-manipulation division asked Apr 26 '16 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 '17 at 6:54
stackoverflow.com

12 votes

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

c floating-point trigonometry math.h asked Mar 14 '17 at 17:39
stackoverflow.com

8 votes

What is the origin of “home free”?

etymology idioms asked Jul 15 '18 at 18:15
english.stackexchange.com

8 votes

Vectorizable implementation of complementary error function erfcf()

c algorithm math floating-point asked Mar 13 '16 at 4:59
stackoverflow.com

7 votes

Most accurate way to compute asinhf() from log1pf()?

c math floating-point floating-accuracy asked Dec 30 '15 at 18:42
stackoverflow.com

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Top Answers
84
Emulate “double” using 2 “float”s
stackoverflow.com

60
Why was the caret used for XOR instead of exponentiation?
softwareengineering.stackexchange.com

50
128 bit integer on cuda?
stackoverflow.com

19
Is it possible to put assembly instructions into CUDA code?
stackoverflow.com

19
How is arctan implemented?
stackoverflow.com

18
Why does Math.cbrt(1728) produce a more accurate result than Math.pow(1728, 1/3)?
stackoverflow.com

18
How to find the position of the only-set-bit in a 64-bit value using bit manipulation efficiently?
stackoverflow.com

18
Algorithm to convert an IEEE 754 double to a string?
stackoverflow.com

17
Why is “a =(b>0)?1:0” better than “if-else” version in CUDA?
stackoverflow.com

16
Why do gcc and NVCC (g++) see two different structure sizes?
stackoverflow.com

15
How do I develop numerical routines for the evaluation of my own special functions?
math.stackexchange.com

15
Fastest Implementation of Exponential Function Using SSE
stackoverflow.com

15
Numerically stable method for solving quadratic equations
stackoverflow.com

15
Why do computer-science majors learn calculus?
cseducators.stackexchange.com

13
Does this usage of strncmp contain an out of bounds read?
stackoverflow.com

12
cuda inline and noinline device functions
stackoverflow.com

12
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
stackoverflow.com

12
Compute logarithmic expression without floating point arithmetics or log
stackoverflow.com

12
Units of cuda registers
stackoverflow.com

12
In what types of loops is it best to use the #pragma unroll directive in CUDA?
stackoverflow.com

12
x87 trigonometric instructions
retrocomputing.stackexchange.com

12
Whittaker-Shannon interpolation: Accuracy dies with speedup; can it be fixed?
scicomp.stackexchange.com

12
Atan2 Faster Approximation
math.stackexchange.com

11
why is my c program suddenly using 30g of virtual memory?
stackoverflow.com

11
how does cuda 4.0 support recursion
stackoverflow.com

10
Confusion with CUDA PTX code and register memory
stackoverflow.com

10
rint not present in Visual Studio 2010 math.h and equivalent of CUDA rint
stackoverflow.com

10
Computing x mod y where y is not representable as floating point
stackoverflow.com

10
Payne Hanek algorithm implementation in C
stackoverflow.com

10
Emulating FP64 with 2 FP32 on a GPU
stackoverflow.com

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