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Diffstat (limited to 'docs/source/arduino/modulo.rst')
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diff --git a/docs/source/arduino/modulo.rst b/docs/source/arduino/modulo.rst deleted file mode 100644 index 195d15b..0000000 --- a/docs/source/arduino/modulo.rst +++ /dev/null @@ -1,84 +0,0 @@ -.. _arduino-modulo: - -% (modulo) -========== - -Description ------------ - -Calculates the remainder when one integer is divided by another. It -is useful for keeping a variable within a particular range (e.g. -the size of an array). - - - -Syntax ------- - -result = dividend % divisor - - - -Parameters ----------- - -dividend: the number to be divided - - - -divisor: the number to divide by - - - -Returns -------- - -the remainder - - - -Examples --------- - -:: - - x = 7 % 5; // x now contains 2 - x = 9 % 5; // x now contains 4 - x = 5 % 5; // x now contains 0 - x = 4 % 5; // x now contains 4 - - - -Example Code ------------- - -:: - - /* update one value in an array each time through a loop */ - - int values[10]; - int i = 0; - - void setup() {} - - void loop() - { - values[i] = analogRead(0); - i = (i + 1) % 10; // modulo operator rolls over variable - } - - - -Tip ---- - -The modulo operator does not work on floats. - - - -See also --------- - - -- `division <http://arduino.cc/en/Reference/Arithmetic>`_ - |