add vec4f and quatf

src/main/java/io/github/ititus/math/quaternion/QuatF.java

@@ -0,0 +1,61 @@
+package io.github.ititus.math.quaternion;
+
+import io.github.ititus.data.ArrayUtil;
+import io.github.ititus.math.vector.Vec4f;
+
+public final class QuatF {
+
+    private final float x;
+    private final float y;
+    private final float z;
+    private final float w;
+
+    public QuatF(Vec4f vec4f) {
+        this(vec4f.x(), vec4f.y(), vec4f.z(), vec4f.w());
+    }
+
+    public QuatF(float x, float y, float z, float w) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.w = w;
+    }
+
+    public float x() {
+        return x;
+    }
+
+    public float y() {
+        return y;
+    }
+
+    public float z() {
+        return z;
+    }
+
+    public float w() {
+        return w;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        } else if (!(o instanceof QuatF)) {
+            return false;
+        }
+
+        QuatF quatF = (QuatF) o;
+        return Float.compare(quatF.x, x) == 0 && Float.compare(quatF.y, y) == 0 && Float.compare(quatF.z, z) == 0 && Float.compare(quatF.w, w) == 0;
+    }
+
+    @Override
+    public int hashCode() {
+        return ArrayUtil.hash(x, y, z, w);
+    }
+
+    @Override
+    public String toString() {
+        return "(" + x + ", " + y + ", " + z + ", " + w + ')';
+    }
+}

src/main/java/io/github/ititus/math/vector/Vec4f.java

@@ -0,0 +1,65 @@
+package io.github.ititus.math.vector;
+
+import io.github.ititus.data.ArrayUtil;
+import io.github.ititus.math.quaternion.QuatF;
+
+public final class Vec4f {
+
+    private final float x;
+    private final float y;
+    private final float z;
+    private final float w;
+
+    public Vec4f() {
+        this(0, 0, 0, 0);
+    }
+
+    public Vec4f(QuatF quatF) {
+        this(quatF.x(), quatF.y(), quatF.z(), quatF.w());
+    }
+
+    public Vec4f(float x, float y, float z, float w) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.w = w;
+    }
+
+    public float x() {
+        return x;
+    }
+
+    public float y() {
+        return y;
+    }
+
+    public float z() {
+        return z;
+    }
+
+    public float w() {
+        return w;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        } else if (!(o instanceof Vec4f)) {
+            return false;
+        }
+
+        Vec4f vec4f = (Vec4f) o;
+        return Float.compare(vec4f.x, x) == 0 && Float.compare(vec4f.y, y) == 0 && Float.compare(vec4f.z, z) == 0 && Float.compare(vec4f.w, w) == 0;
+    }
+
+    @Override
+    public int hashCode() {
+        return ArrayUtil.hash(x, y, z, w);
+    }
+
+    @Override
+    public String toString() {
+        return "(" + x + ", " + y + ", " + z + ", " + w + ')';
+    }
+}

src/main/java/module-info.java

@@ -21,6 +21,7 @@
     exports io.github.ititus.math.modulus;
     exports io.github.ititus.math.number;
     exports io.github.ititus.math.permutation;
+    exports io.github.ititus.math.quaternion;
     exports io.github.ititus.math.random;
     exports io.github.ititus.math.statistics;
     exports io.github.ititus.math.time;