Top "Absolute-value" questions

Absolute value is a mathematical function that returns the non-negative value of a number without regard to its sign.

Take the maximum in absolute value from different columns and filter out NaN Python

This was my try. For example df = pd.DataFrame({'a':[5,0,1,np.nan], 'b':[np.nan,1,4,3], 'c':[-3,-2,0,0]}) df.dropna(…

python pandas max nan absolute-value
abs() vs fabs() speed difference and advantage of fabs()

I ran some simple tests on abs() and fabs() functions and I don't understand what are the advantages of using …

python function absolute-value
Absolute value abs(x) using bitwise operators and Boolean logic

How does this work? The idea is to make abs(x) use bitwise operators for integers (assuming 32 bit words): y = …

c++ c bit-manipulation language-lawyer absolute-value
mongodb - Find document with closest integer value

Let's assume I have a collection with documents with a ratio attribute that is a floating point number. {'ratio':1.437} How …

mongodb absolute-value
Is there a fast fabsf replacement for "float" in C++?

I'm just doing some benchmarking and found out that fabsf() is often like 10x slower than fabs(). So I disassembled …

c++ performance optimization absolute-value
Fastest way to compute absolute value using SSE

I am aware of 3 methods, but as far as I know, only the first 2 are generally used: Mask off the …

x86 vectorization sse simd absolute-value
Why go does not have function to calculate absolute value for integer datatype?

In go, why there is no function which directly calculates absolute value for integer datatypes. Currently all integer values has …

go casting absolute-value