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Migrate units from ratio to Magnitude

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This commit is huge, but hopefully the cognitive load is not too bad.
The bulk of this commit is just some fairly mechanical updates from
`ratio` to `Magnitude`.  Other things to call out:

- `UnitRatio` goes away.  We don't need this concept, because Magnitude
  can't even _represent_ anything that doesn't satisfy it.

- I commented out some formatting test cases where the precise
  expression changes, but the number is completely equivalent.  We will
  need to decide how we want to handle Magnitude formatting as a
  separate, follow-on task.  But at least Magnitude gives us all the
  tools we'll need to do so!
This commit is contained in:
Chip Hogg committed 2022-04-11 15:16:16 +00:00
1 parent 5afe7766e9
commit d19b2803ce
42 files changed
+197 -199
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example/custom_systems.cpp
+3 -3
View File
@@ -33,7 +33,7 @@ using namespace units;
namespace fps {
struct foot : named_unit<foot, "ft", no_prefix> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, ratio(3), foot> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, as_magnitude<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {};
@@ -54,8 +54,8 @@ using length = quantity<dim_length, U, Rep>;
namespace fps {
struct foot : named_scaled_unit<foot, "ft", no_prefix, ratio(3'048, 1'000, -1), metre> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, ratio(3), foot> {};
struct foot : named_scaled_unit<foot, "ft", no_prefix, as_magnitude<ratio(3'048, 1'000, -1)>(), metre> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, as_magnitude<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {};
example/literals/custom_systems.cpp
+3 -3
View File
@@ -33,7 +33,7 @@ using namespace units;
namespace fps {
struct foot : named_unit<foot, "ft", no_prefix> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, ratio(3), foot> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, as_magnitude<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {};
@@ -54,8 +54,8 @@ using length = quantity<dim_length, U, Rep>;
namespace fps {
struct foot : named_scaled_unit<foot, "ft", no_prefix, ratio(3'048, 1'000, -1), metre> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, ratio(3), foot> {};
struct foot : named_scaled_unit<foot, "ft", no_prefix, as_magnitude<ratio(3'048, 1'000, -1)>(), metre> {};
struct yard : named_scaled_unit<yard, "yd", no_prefix, as_magnitude<3>(), foot> {};
struct dim_length : base_dimension<"L", foot> {};