proc initQuat(x, y, z, w: float32): Quat {.
inline, raises: [], tags: []
.}

proc initQuat(axis: Vector3; angle: float32): Quat {.
inline, raises: [], tags: []
.}

proc `$`(self: Quat): string {.
inline, raises: [], tags: []
.}

proc hash(self: Quat): Hash {.
inline, raises: [], tags: []
.}

proc length(self: Quat): float32 {.
inline, raises: [], tags: []
.}

proc lengthSquared(self: Quat): float32 {.
inline, raises: [], tags: []
.}

proc normalized(self: Quat): Quat {.
inline, raises: [], tags: []
.}

proc isNormalized(self: Quat): bool {.
inline, raises: [], tags: []
.}

proc inverse(self: Quat): Quat {.
inline, raises: [], tags: []
.}

proc dot(a, b: Quat): float32 {.
inline, raises: [], tags: []
.}

proc xform(self: Quat; v: Vector3): Vector3 {.
inline, raises: [], tags: []
.}

proc slerp(self: Quat; b: Quat; t: float32): Quat {.
inline, raises: [], tags: []
.}

proc slerpni(self: Quat; b: Quat; t: float32): Quat {.
inline, raises: [], tags: []
.}

proc cubicSlerp(self, b, preA, postB: Quat; t: float32): Quat {.
inline, raises: [], tags: []
.}

proc `*`(a: Quat; b: float32): Quat {.
inline, raises: [], tags: []
.}

proc `*=`(a: var Quat; b: float32) {.
inline, raises: [], tags: []
.}

proc `+`(a, b: Quat): Quat {.
inline, raises: [], tags: []
.}

proc `+=`(a: var Quat; b: Quat) {.
inline, raises: [], tags: []
.}

proc `-`(a, b: Quat): Quat {.
inline, raises: [], tags: []
.}

proc `-=`(a: var Quat; b: Quat) {.
inline, raises: [], tags: []
.}

proc `/`(self: Quat; b: float32): Quat {.
inline, raises: [], tags: []
.}

proc `/=`(self: var Quat; b: float32) {.
inline, raises: [], tags: []
.}

proc `==`(a, b: Quat): bool {.
inline, raises: [], tags: []
.}

proc `-`(self: Quat): Quat {.
inline, raises: [], tags: []
.}