xo-unit: + Quantity::zero_qty()

This commit is contained in:
Roland Conybeare 2024-04-28 16:00:12 -04:00
commit 50789fae7c

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@ -48,6 +48,7 @@ namespace xo {
constexpr bool is_dimensionless() const { return unit_.is_dimensionless(); } constexpr bool is_dimensionless() const { return unit_.is_dimensionless(); }
constexpr Quantity unit_qty() const { return Quantity(1, unit_); } constexpr Quantity unit_qty() const { return Quantity(1, unit_); }
constexpr Quantity zero_qty() const { return Quantity(0, unit_); }
constexpr Quantity reciprocal() const { return Quantity(1.0 / scale_, unit_.reciprocal()); } constexpr Quantity reciprocal() const { return Quantity(1.0 / scale_, unit_.reciprocal()); }
constexpr constexpr