multiplication Archives

Is multiplication and division using shift operators in C actually faster?

Multiplication and division can be achieved using bit operators, for example i*2 = i<<1 i*3 = (i<<1) + i; i*10 = (i<<3) + ...

May 15, 2022
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Extracting bits with a single multiplication

I saw an interesting technique used in an answer to another question, and would like to understand it a little better. We’re given ...

May 15, 2022
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How can I multiply all items in a list together with Python?

Is multiplication and division using shift operators in C actually faster?

Extracting bits with a single multiplication

Create list of single item repeated N times