dbrockman

c_cyan=`tput setaf 6`
c_red=`tput setaf 1`
c_green=`tput setaf 2`
c_sgr0=`tput sgr0`

parse_git_status() {
  local color=""
  if git rev-parse --git-dir >/dev/null 2>&1
  then

dbrockman

function wrapLineAtDivisibleColumn(line) {
  var column = 80;
  while (line.length / column % 1) --column;
  return line.replace(new RegExp('.{' + column + '}(?!$)', 'g'), '$&\n');
}

dbrockman

// high-resolution time diff in milliseconds
function hrmstime(t) {
    if (t) {
        t = process.hrtime(t);
        return (t[0] * 1e9 + t[1]) / 1e6;
    }
    return process.hrtime();
}

dbrockman

// Takes a number and clamps it to within the provided bounds.
#define Clamp(_num, _min, _max) MIN((_max), MAX((_min), (_num)))

// Check if the two floats are equal.
#define FloatEqual(A, B) (ABS((A) - (B)) < FLT_EPSILON)

// Check if the two floats are NOT equal.
#define FloatNotEqual(A, B) (ABS((A) - (B)) > FLT_EPSILON)

// Check if the float is equal to zero.

dbrockman

// Fisher-Yates shuffle
function shuffle(array) {
	for (var n = array.length, k, x; 1 < n;) {
		k = Math.floor(Math.random() * n--);
		x = array[n];
		array[n] = array[k];
		array[k] = x;
	}
}

dbrockman

/**
 * Converts degrees to radians.
 * @param {number} angleDegrees Angle in degrees.
 * @return {number} Angle in radians.
**/
function degreesToRadians(angleDegrees) {
  return angleDegrees * Math.PI / 180;
}

/**

dbrockman

// Converts degrees to radians.
#define degreesToRadians(angleDegrees) (angleDegrees * M_PI / 180.0)

// Converts radians to degrees.
#define radiansToDegrees(angleRadians) (angleRadians * 180.0 / M_PI)

dbrockman

function insertAt(arr, val, i) {
    arr.splice(i, 0, val);
}
function removeAt(arr, i) {
    return arr.splice(i, 1).length === 1;
}

function genericInsertAt(arr, val, i) {
    Array.prototype.splice.call(arr, i, 0, val);
}

dbrockman

function fibonacci(n) {
  return n < 2 ? n : fibonacci(n - 2) + fibonacci(n - 1);
}

function fibonacci(n) {
  var prev, curr = 0, next = 1;
  while (n-- > 0) {
    prev = curr;
    curr = next;
    next = prev + curr;

dbrockman

@interface NSIndexSet (Operations)

// http://en.wikipedia.org/wiki/Union_(set_theory)
- (NSIndexSet *)unionWith:(NSIndexSet *)other;

// http://en.wikipedia.org/wiki/Intersection_(set_theory)
- (NSIndexSet *)intersectionWith:(NSIndexSet *)other;

// http://en.wikipedia.org/wiki/Complement_(set_theory)#Relative_complement
- (NSIndexSet *)relativeComplementIn:(NSIndexSet *)universe;