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diff --git a/source/blender/blenlib/BLI_float3.hh b/source/blender/blenlib/BLI_float3.hh
new file mode 100644
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+++ b/source/blender/blenlib/BLI_float3.hh
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include <iostream>
+
+#include "BLI_math_vector.h"
+
+namespace blender {
+
+struct float3 {
+  float x, y, z;
+
+  float3() = default;
+
+  float3(const float *ptr) : x{ptr[0]}, y{ptr[1]}, z{ptr[2]}
+  {
+  }
+
+  float3(const float (*ptr)[3]) : float3(static_cast<const float *>(ptr[0]))
+  {
+  }
+
+  explicit float3(float value) : x(value), y(value), z(value)
+  {
+  }
+
+  explicit float3(int value) : x(value), y(value), z(value)
+  {
+  }
+
+  float3(float x, float y, float z) : x{x}, y{y}, z{z}
+  {
+  }
+
+  operator const float *() const
+  {
+    return &x;
+  }
+
+  operator float *()
+  {
+    return &x;
+  }
+
+  friend float3 operator+(const float3 &a, const float3 &b)
+  {
+    return {a.x + b.x, a.y + b.y, a.z + b.z};
+  }
+
+  friend float3 operator+(const float3 &a, const float &b)
+  {
+    return {a.x + b, a.y + b, a.z + b};
+  }
+
+  float3 &operator+=(const float3 &b)
+  {
+    this->x += b.x;
+    this->y += b.y;
+    this->z += b.z;
+    return *this;
+  }
+
+  friend float3 operator-(const float3 &a, const float3 &b)
+  {
+    return {a.x - b.x, a.y - b.y, a.z - b.z};
+  }
+
+  friend float3 operator-(const float3 &a)
+  {
+    return {-a.x, -a.y, -a.z};
+  }
+
+  friend float3 operator-(const float3 &a, const float &b)
+  {
+    return {a.x - b, a.y - b, a.z - b};
+  }
+
+  float3 &operator-=(const float3 &b)
+  {
+    this->x -= b.x;
+    this->y -= b.y;
+    this->z -= b.z;
+    return *this;
+  }
+
+  float3 &operator*=(float scalar)
+  {
+    this->x *= scalar;
+    this->y *= scalar;
+    this->z *= scalar;
+    return *this;
+  }
+
+  float3 &operator*=(const float3 &other)
+  {
+    this->x *= other.x;
+    this->y *= other.y;
+    this->z *= other.z;
+    return *this;
+  }
+
+  friend float3 operator*(const float3 &a, const float3 &b)
+  {
+    return {a.x * b.x, a.y * b.y, a.z * b.z};
+  }
+
+  friend float3 operator*(const float3 &a, float b)
+  {
+    return {a.x * b, a.y * b, a.z * b};
+  }
+
+  friend float3 operator*(float a, const float3 &b)
+  {
+    return b * a;
+  }
+
+  friend float3 operator/(const float3 &a, float b)
+  {
+    BLI_assert(b != 0.0f);
+    return {a.x / b, a.y / b, a.z / b};
+  }
+
+  friend std::ostream &operator<<(std::ostream &stream, const float3 &v)
+  {
+    stream << "(" << v.x << ", " << v.y << ", " << v.z << ")";
+    return stream;
+  }
+
+  friend bool operator==(const float3 &a, const float3 &b)
+  {
+    return a.x == b.x && a.y == b.y && a.z == b.z;
+  }
+
+  friend bool operator!=(const float3 &a, const float3 &b)
+  {
+    return !(a == b);
+  }
+
+  float normalize_and_get_length()
+  {
+    return normalize_v3(*this);
+  }
+
+  /**
+   * Normalizes the vector in place.
+   */
+  void normalize()
+  {
+    normalize_v3(*this);
+  }
+
+  /**
+   * Returns a normalized vector. The original vector is not changed.
+   */
+  float3 normalized() const
+  {
+    float3 result;
+    normalize_v3_v3(result, *this);
+    return result;
+  }
+
+  float length() const
+  {
+    return len_v3(*this);
+  }
+
+  float length_squared() const
+  {
+    return len_squared_v3(*this);
+  }
+
+  bool is_zero() const
+  {
+    return this->x == 0.0f && this->y == 0.0f && this->z == 0.0f;
+  }
+
+  void reflect(const float3 &normal)
+  {
+    *this = this->reflected(normal);
+  }
+
+  float3 reflected(const float3 &normal) const
+  {
+    float3 result;
+    reflect_v3_v3v3(result, *this, normal);
+    return result;
+  }
+
+  static float3 refract(const float3 &incident, const float3 &normal, const float eta)
+  {
+    float3 result;
+    float k = 1.0f - eta * eta * (1.0f - dot(normal, incident) * dot(normal, incident));
+    if (k < 0.0f) {
+      result = float3(0.0f);
+    }
+    else {
+      result = eta * incident - (eta * dot(normal, incident) + sqrt(k)) * normal;
+    }
+    return result;
+  }
+
+  static float3 faceforward(const float3 &vector, const float3 &incident, const float3 &reference)
+  {
+    return dot(reference, incident) < 0.0f ? vector : -vector;
+  }
+
+  static float3 safe_divide(const float3 &a, const float3 &b)
+  {
+    float3 result;
+    result.x = (b.x == 0.0f) ? 0.0f : a.x / b.x;
+    result.y = (b.y == 0.0f) ? 0.0f : a.y / b.y;
+    result.z = (b.z == 0.0f) ? 0.0f : a.z / b.z;
+    return result;
+  }
+
+  static float3 min(const float3 &a, const float3 &b)
+  {
+    return {a.x < b.x ? a.x : b.x, a.y < b.y ? a.y : b.y, a.z < b.z ? a.z : b.z};
+  }
+
+  static float3 max(const float3 &a, const float3 &b)
+  {
+    return {a.x > b.x ? a.x : b.x, a.y > b.y ? a.y : b.y, a.z > b.z ? a.z : b.z};
+  }
+
+  static void min_max(const float3 &vector, float3 &min, float3 &max)
+  {
+    min = float3::min(vector, min);
+    max = float3::max(vector, max);
+  }
+
+  static float3 safe_divide(const float3 &a, const float b)
+  {
+    return (b != 0.0f) ? a / b : float3(0.0f);
+  }
+
+  static float3 floor(const float3 &a)
+  {
+    return float3(floorf(a.x), floorf(a.y), floorf(a.z));
+  }
+
+  void invert()
+  {
+    x = -x;
+    y = -y;
+    z = -z;
+  }
+
+  uint64_t hash() const
+  {
+    uint64_t x1 = *reinterpret_cast<const uint32_t *>(&x);
+    uint64_t x2 = *reinterpret_cast<const uint32_t *>(&y);
+    uint64_t x3 = *reinterpret_cast<const uint32_t *>(&z);
+    return (x1 * 435109) ^ (x2 * 380867) ^ (x3 * 1059217);
+  }
+
+  static float dot(const float3 &a, const float3 &b)
+  {
+    return a.x * b.x + a.y * b.y + a.z * b.z;
+  }
+
+  static float3 cross_high_precision(const float3 &a, const float3 &b)
+  {
+    float3 result;
+    cross_v3_v3v3_hi_prec(result, a, b);
+    return result;
+  }
+
+  static float3 cross(const float3 &a, const float3 &b)
+  {
+    float3 result;
+    cross_v3_v3v3(result, a, b);
+    return result;
+  }
+
+  static float3 project(const float3 &a, const float3 &b)
+  {
+    float3 result;
+    project_v3_v3v3(result, a, b);
+    return result;
+  }
+
+  static float distance(const float3 &a, const float3 &b)
+  {
+    return (a - b).length();
+  }
+
+  static float distance_squared(const float3 &a, const float3 &b)
+  {
+    float3 diff = a - b;
+    return float3::dot(diff, diff);
+  }
+
+  static float3 interpolate(const float3 &a, const float3 &b, float t)
+  {
+    return a * (1 - t) + b * t;
+  }
+
+  static float3 abs(const float3 &a)
+  {
+    return float3(fabsf(a.x), fabsf(a.y), fabsf(a.z));
+  }
+};
+
+}  // namespace blender