// node_modules/svelte/src/runtime/easing/index.js
function backInOut(t) {
  const s = 1.70158 * 1.525;
  if ((t *= 2) < 1) return 0.5 * (t * t * ((s + 1) * t - s));
  return 0.5 * ((t -= 2) * t * ((s + 1) * t + s) + 2);
}
function backIn(t) {
  const s = 1.70158;
  return t * t * ((s + 1) * t - s);
}
function backOut(t) {
  const s = 1.70158;
  return --t * t * ((s + 1) * t + s) + 1;
}
function bounceOut(t) {
  const a = 4 / 11;
  const b = 8 / 11;
  const c = 9 / 10;
  const ca = 4356 / 361;
  const cb = 35442 / 1805;
  const cc = 16061 / 1805;
  const t2 = t * t;
  return t < a ? 7.5625 * t2 : t < b ? 9.075 * t2 - 9.9 * t + 3.4 : t < c ? ca * t2 - cb * t + cc : 10.8 * t * t - 20.52 * t + 10.72;
}
function bounceInOut(t) {
  return t < 0.5 ? 0.5 * (1 - bounceOut(1 - t * 2)) : 0.5 * bounceOut(t * 2 - 1) + 0.5;
}
function bounceIn(t) {
  return 1 - bounceOut(1 - t);
}
function circInOut(t) {
  if ((t *= 2) < 1) return -0.5 * (Math.sqrt(1 - t * t) - 1);
  return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
}
function circIn(t) {
  return 1 - Math.sqrt(1 - t * t);
}
function circOut(t) {
  return Math.sqrt(1 - --t * t);
}
function cubicInOut(t) {
  return t < 0.5 ? 4 * t * t * t : 0.5 * Math.pow(2 * t - 2, 3) + 1;
}
function cubicIn(t) {
  return t * t * t;
}
function cubicOut(t) {
  const f = t - 1;
  return f * f * f + 1;
}
function elasticInOut(t) {
  return t < 0.5 ? 0.5 * Math.sin(13 * Math.PI / 2 * 2 * t) * Math.pow(2, 10 * (2 * t - 1)) : 0.5 * Math.sin(-13 * Math.PI / 2 * (2 * t - 1 + 1)) * Math.pow(2, -10 * (2 * t - 1)) + 1;
}
function elasticIn(t) {
  return Math.sin(13 * t * Math.PI / 2) * Math.pow(2, 10 * (t - 1));
}
function elasticOut(t) {
  return Math.sin(-13 * (t + 1) * Math.PI / 2) * Math.pow(2, -10 * t) + 1;
}
function expoInOut(t) {
  return t === 0 || t === 1 ? t : t < 0.5 ? 0.5 * Math.pow(2, 20 * t - 10) : -0.5 * Math.pow(2, 10 - t * 20) + 1;
}
function expoIn(t) {
  return t === 0 ? t : Math.pow(2, 10 * (t - 1));
}
function expoOut(t) {
  return t === 1 ? t : 1 - Math.pow(2, -10 * t);
}
function quadInOut(t) {
  t /= 0.5;
  if (t < 1) return 0.5 * t * t;
  t--;
  return -0.5 * (t * (t - 2) - 1);
}
function quadIn(t) {
  return t * t;
}
function quadOut(t) {
  return -t * (t - 2);
}
function quartInOut(t) {
  return t < 0.5 ? 8 * Math.pow(t, 4) : -8 * Math.pow(t - 1, 4) + 1;
}
function quartIn(t) {
  return Math.pow(t, 4);
}
function quartOut(t) {
  return Math.pow(t - 1, 3) * (1 - t) + 1;
}
function quintInOut(t) {
  if ((t *= 2) < 1) return 0.5 * t * t * t * t * t;
  return 0.5 * ((t -= 2) * t * t * t * t + 2);
}
function quintIn(t) {
  return t * t * t * t * t;
}
function quintOut(t) {
  return --t * t * t * t * t + 1;
}
function sineInOut(t) {
  return -0.5 * (Math.cos(Math.PI * t) - 1);
}
function sineIn(t) {
  const v = Math.cos(t * Math.PI * 0.5);
  if (Math.abs(v) < 1e-14) return 1;
  else return 1 - v;
}
function sineOut(t) {
  return Math.sin(t * Math.PI / 2);
}

export {
  backInOut,
  backIn,
  backOut,
  bounceOut,
  bounceInOut,
  bounceIn,
  circInOut,
  circIn,
  circOut,
  cubicInOut,
  cubicIn,
  cubicOut,
  elasticInOut,
  elasticIn,
  elasticOut,
  expoInOut,
  expoIn,
  expoOut,
  quadInOut,
  quadIn,
  quadOut,
  quartInOut,
  quartIn,
  quartOut,
  quintInOut,
  quintIn,
  quintOut,
  sineInOut,
  sineIn,
  sineOut
};
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