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

proc isEqualApprox(a, b: float64): bool {.
inline, raises: [], tags: []
.}

proc sign(a: float32): float32 {.
inline, raises: [], tags: []
.}

proc sign(a: float64): float64 {.
inline, raises: [], tags: []
.}

proc stepify(value, step: float64): float64 {.
raises: [], tags: []
.}

proc stepify(value, step: float32): float32 {.
raises: [], tags: []
.}