Search results
Jul 30, 2012 · Edit: Assuming N > 0 and N + N - 1 <= INT_MAX. int modulo (int x,int N) { return (x % N + N) %N; } This will work for both positive and negative values of x. Original P.S: also as pointed out by @chux, If your x and N may reach something like INT_MAX-1 and INT_MAX respectively, just replace int with long long int.
Oct 7, 2010 · There is no one best way to handle integer division and mods with negative numbers. It would be nice if a/b was the same magnitude and opposite sign of (-a)/b. It would be nice if a % b was indeed a modulo b. Since we really want a == (a/b)*b + a%b, the first two are incompatible.
Nov 10, 2015 · 1. You can tell whether a hexadecimal integer is positive or negative by inspecting its most significant (highest) digit. If the digit is ≥ 8, the number is negative; if the digit is ≤ 7, the number is positive. For example, hexadecimal 8A20 is negative and 7FD9 is positive. answered Oct 5, 2020 at 21:18.
Apr 4, 2013 · Let's we focused on this (\-\d+|\d+) part and ignoring others, this semicolon | means OR in regex, then the negative value will match with this \-\d+ part, and positive value into this \d+. answered Mar 31, 2015 at 4:14. Aditya Kresna Permana.
May 28, 2010 · to convert 5 to -5: 0000 0101 - flip -> 1111 1010 - add one -> 1111 1011. There is a trick to convert a number from positive to negative or vice verse: Adding them ignoring their signed bit (the leftmost bit) will give you 2^N (where N is the amount of the bits to represent the number). As the example above in 8-bit representation the sum of 5 ...
Dec 9, 2010 · 1. To overcome this, you could add 64 (or whatever your modulus base is) to the negative value until it is positive. int k = -13; int modbase = 64; while (k < 0) {. k += modbase; } int result = k % modbase; The result will still be in the same equivalence class.
Apr 22, 2014 · Does either ANSI C or ISO C specify what -5 % 10 should be?, Modulo operation with negative numbers, Why is the behavior of the modulo operator (%) different between C and Ruby for negative integers? –
It was only preventing negative numbers from being entered from up/down arrows, whereas user can type negative number from keyboard. Solution is to prevent with key code: // Select your input element. var number = document.getElementById('number'); // Listen for input event on numInput.
24. The sign in such cases (i.e when one or both operands are negative) is implementation-defined. The spec says in §5.6/4 (C++03), The binary / operator yields the quotient, and the binary % operator yields the remainder from the division of the first expression by the second. If the second operand of / or % is zero the behavior is undefined ...
Oct 19, 2011 · Because Python integers are arbitrarily large, you have to mask the values to limit conversion to the number of bits you want for your 2s complement representation. Python displays the simple case of hex(-199703103) as a negative hex value (-0xbe73a3f) because the 2s complement representation would have an infinite number of Fs in front of it ...
