Not sure of the best way to ask this question other than: I'm writing a function that will accept a variable called 'x'. function doIt(x){ var y = someformula; //this is just a placeholder for the correct formula return y; } And here's what I expect returned: if (x is between 0 and 9){ y = 0; } if (x is between 10 and 19){ y = ...
I am facing the problem while dividing my max_sum = 14 total_no=4 so when i do print "x :", (total_sum/total_no) , I get 3 and not 3.5 I tried many ways for printing but failed, can somebody let me know what way I get in 3.5 format? Thank you ...
I really don't think this is a precision problem, the answer is .226-ish... here's the exact code: val = I(i,j) bucketSize pos = val / bucketSize 'I' is just a matrix I'm taking values from. Here is the output from MatLab: val = 29 bucketSize = 128 pos = 0 what am I missing? ...
Hello helpers! So if I have a range of numbers '0 - 1024' and I want to bring them into '0 - 255', the maths would dictate to divide the input by the maximum the input will be (1024 in this case) which will give me a number between 0.0 - 1.0. then multiply that by the destination range, (255). Which is what I want to do! But for some ...
It what should be a simple task, or a simple google search, I have come up empty. I am trying to simply calculate a grade percentage. I am trying to use: Select round((133 / 150), 2) * 100 That results in 0. I am trying to calcualte to get a score of 89%. I have tried multiple combinations and I am beginning to think it is either too ...
I understand how to do it for powers of 2 so that's not my question. For example, if i want to find 5% of a number using a bit shift instead of an integer divide, how would i calculate that? So instead of (x * 20 / 19), i could do (x * 100 >> 11). Now this isnt right but it's close and i arrived at it using trial and error. how would ...
I have a few questions about divide overflow errors on x86 or x86_64 architecture. Lately I've been reading about integer overflows. Usually, when an arithmetic operation results in an integer overflow, the carry bit or overflow bit in the FLAGS register is set. But apparently, according to this article, overflows resulting from divis...
Is there is a simple, pythonic way of rounding to the nearest whole number without using floating point? I'd like to do the following but with integer arithmetic: skip = int(round(1.0 * total / surplus)) ============== @John: Floating point is not reproducible across platforms. If you want your code to pass tests across different p...
I need to perform some integer divisions in the hot path of my code. I've already determined via profiling and cycle counting that the integer divisions are costing me. I'm hoping there's something I can do to strength reduce the divisions into something cheaper. In this path, I am dividing by 2^n+1, where n is variable. Essentially I w...