Round down to nearest 100
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Hello I am doing timing phase correction in a QPSK system. Given a maximum power timing phase I need to round down to nearest 100.
Example:
If I get 568, I want to get 500.
Round(568,-2) gives 600. I need to always round down. What do you all suggest?
采纳的回答
Divide by 100, then floor() or fix() (depending on how you want to handle negative numbers), then multiply by 100.
x = 568;
floor(x/100)*100
fix(x/100)*100
x = -568;
floor(x/100)*100
fix(x/100)*100
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