The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

    http://creativecommons.org/publicdomain/zero/1.0/ */

 "use strict";

 function test() {

   let q1 = quat4.create([1, 2, 3, 4]);

   let q2 = quat4.create([5, 6, 7, 8]);

   quat4.multiply(q1, q2);

   ok(isApproxVec(q1, [24, 48, 48, -6]),

     "The quat4.multiply() function didn't set the values correctly.");

   let v1 = quat4.multiplyVec3(q1, [9, 9, 9]);

   ok(isApproxVec(v1, [5508, 54756, 59940]),

     "The quat4.multiplyVec3() function didn't set the values correctly.");

   let m1 = quat4.toMat3(q1);

   ok(isApproxVec(m1, [

     -9215, 2880, 1728, 1728, -5759, 4896, 2880, 4320, -5759

   ]), "The quat4.toMat3() function didn't set the values correctly.");

   let m2 = quat4.toMat4(q1);

   ok(isApproxVec(m2, [

     -9215, 2880, 1728, 0, 1728, -5759, 4896, 0,

     2880, 4320, -5759, 0, 0, 0, 0, 1

   ]), "The quat4.toMat4() function didn't set the values correctly.");

   quat4.calculateW(q1);

   quat4.calculateW(q2);

   quat4.slerp(q1, q2, 0.5);

   ok(isApproxVec(q1, [24, 48, 48, -71.99305725097656]),

     "The quat4.slerp() function didn't set the values correctly.");

   let q3 = quat4.fromAxis([1, 1, 1], 0.5);

   ok(isApproxVec(q3, [

     0.24740396440029144, 0.24740396440029144, 0.24740396440029144,

     0.9689124226570129

   ]), "The quat4.fromAxis() function didn't compute the values correctly.");

   let q4 = quat4.fromEuler(0.5, 0.75, 1.25);

   ok(isApproxVec(q4, [

     0.15310347080230713, 0.39433568716049194,

     0.4540249705314636, 0.7841683626174927

   ]), "The quat4.fromEuler() function didn't compute the values correctly.");

   is(quat4.str([1, 2, 3, 4]), "[1, 2, 3, 4]",

     "The quat4.str() function didn't work properly.");

 }