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feat!: 💥 dimensionless quantities refactored

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Dimensionless quantities are now represented by quantity types rather
than by plain representation types. Only dimensionless quantities with
`unitless` unit are implicitly convertible from representation types.

`units::exp()` now is a function doing std::exp() on a representation
type (previous `units::exp` class template was renamed to
`units::exponent`).

BREAKING_CHANGE: gcc-9.3 support removed
BREAKING_CHANGE: `exp` and `Exp` renamed to `exponent` and `Exponent`
Resolves #27
Resolves #42
This commit is contained in:
Mateusz Pusz
2020-09-08 11:02:16 +02:00
parent c8b60b80c1
commit 563b358d5e
47 changed files with 599 additions and 422 deletions
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test/unit_test/static/si_test.cpp
+5 -2
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@@ -40,7 +40,9 @@ static_assert(1q_hm == 100q_m);
static_assert(1q_au == 149'597'870'700q_m);
static_assert(1q_km + 1q_m == 1001q_m);
static_assert(10q_km / 5q_km == 2);
static_assert(100q_mm / 5q_cm == 2);
static_assert(10q_km / 5q_km < 3);
static_assert(100q_mm / 5q_cm == dimensionless<scaled_unit<ratio(1, 1, -1), unitless>>(20));
static_assert(100q_mm / 5q_cm == dimensionless<unitless>(2));
static_assert(10q_km / 2 == 5q_km);
static_assert(millimetre::symbol == "mm");
@@ -102,7 +104,8 @@ static_assert(120 / 1q_min == 2q_Hz);
static_assert(1000 / 1q_s == 1q_kHz);
static_assert(1 / 1q_ms == 1q_kHz);
static_assert(3.2q_GHz == 3'200'000'000q_Hz);
static_assert(10q_Hz * 1q_min == 600);
static_assert(10q_Hz * 1q_min == dimensionless<scaled_unit<ratio(60), unitless>>(10));
static_assert(10q_Hz * 1q_min == dimensionless<unitless>(600));
static_assert(2 / 1q_Hz == 2q_s);
// force