should equals approximately1ms ‣
const genAlmostEqualMat = i => new Array(16).fill(0).map((_, ndx) => ndx + (ndx === i ? 0 : utils.EPSILON * 0.5));
const genNotAlmostEqualMat = i => new Array(16).fill(0).map((_, ndx) => ndx + (ndx === i ? 0 : 1.0001));
for (let i = 0; i < 16; ++i) {
assertTruthy(mat4.equalsApproximately(
mat4.clone(genAlmostEqualMat(-1)),
mat4.clone(genAlmostEqualMat(i))));
assertFalsy(mat4.equalsApproximately(
mat4.clone(genNotAlmostEqualMat(-1)),
mat4.clone(genNotAlmostEqualMat(i))));
}