From 3d536fb82be77443ae163045e357a9c742af0260 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Wed, 9 Nov 2022 22:53:27 -1000
Subject: [PATCH] refactor: Unicode symbols directly provided in the code

---
 src/core/include/units/generic/dimensionless.h | 2 +-
 src/systems/si/include/units/si/prefixes.h     | 2 +-
 src/systems/si/include/units/si/units.h        | 4 ++--
 test/unit_test/static/unit_test.cpp            | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/core/include/units/generic/dimensionless.h b/src/core/include/units/generic/dimensionless.h
index 4a0d4171..92a171ac 100644
--- a/src/core/include/units/generic/dimensionless.h
+++ b/src/core/include/units/generic/dimensionless.h
@@ -32,7 +32,7 @@ struct one;            // defined in <units/unit.h>
 
 // clang-format off
 inline constexpr struct percent : named_unit<"%", mag<ratio(1, 100)> * one> {} percent;
-inline constexpr struct per_mille : named_unit<basic_symbol_text{"\u2030", "%o"}, mag<ratio(1, 1000)> * one> {} per_mille;
+inline constexpr struct per_mille : named_unit<basic_symbol_text{"‰", "%o"}, mag<ratio(1, 1000)> * one> {} per_mille;
 // clang-format on
 
 }  // namespace units
diff --git a/src/systems/si/include/units/si/prefixes.h b/src/systems/si/include/units/si/prefixes.h
index 955a74ca..1e536bbd 100644
--- a/src/systems/si/include/units/si/prefixes.h
+++ b/src/systems/si/include/units/si/prefixes.h
@@ -33,7 +33,7 @@ template<PrefixableUnit auto U> struct atto_  : prefixed_unit<"a", mag_power<10,
 template<PrefixableUnit auto U> struct femto_ : prefixed_unit<"f", mag_power<10, -15>, U> {};
 template<PrefixableUnit auto U> struct pico_  : prefixed_unit<"p", mag_power<10, -12>, U> {};
 template<PrefixableUnit auto U> struct nano_  : prefixed_unit<"n", mag_power<10, -9>, U> {};
-template<PrefixableUnit auto U> struct micro_ : prefixed_unit<basic_symbol_text{"\u00b5", "u"}, mag_power<10, -6>, U> {};
+template<PrefixableUnit auto U> struct micro_ : prefixed_unit<basic_symbol_text{"µ", "u"}, mag_power<10, -6>, U> {};
 template<PrefixableUnit auto U> struct milli_ : prefixed_unit<"m", mag_power<10, -3>, U> {};
 template<PrefixableUnit auto U> struct centi_ : prefixed_unit<"c", mag_power<10, -2>, U> {};
 template<PrefixableUnit auto U> struct deci_  : prefixed_unit<"d", mag_power<10, -1>, U> {};
diff --git a/src/systems/si/include/units/si/units.h b/src/systems/si/include/units/si/units.h
index 05b08a4b..1c7e5000 100644
--- a/src/systems/si/include/units/si/units.h
+++ b/src/systems/si/include/units/si/units.h
@@ -50,12 +50,12 @@ inline constexpr struct watt : named_unit<"W", joule / second> {} watt;
 inline constexpr struct coulomb : named_unit<"C", ampere * second> {} coulomb;
 inline constexpr struct volt : named_unit<"V", watt / ampere> {} volt;
 inline constexpr struct farad : named_unit<"F", coulomb / volt> {} farad;
-inline constexpr struct ohm : named_unit<basic_symbol_text{"\u03A9", "ohm"}, volt / ampere> {} ohm;
+inline constexpr struct ohm : named_unit<basic_symbol_text{"Ω", "ohm"}, volt / ampere> {} ohm;
 inline constexpr struct siemens : named_unit<"S", 1 / ohm> {} siemens;
 inline constexpr struct weber : named_unit<"Wb", volt * second> {} weber;
 inline constexpr struct tesla : named_unit<"T", weber / square<metre>> {} tesla;
 inline constexpr struct henry : named_unit<"H", weber / ampere> {} henry;
-inline constexpr struct degree_Celsius : named_unit<basic_symbol_text{"\u00B0C", "`C"}, kelvin> {} degree_Celsius;
+inline constexpr struct degree_Celsius : named_unit<basic_symbol_text{"°C", "`C"}, kelvin> {} degree_Celsius;
 inline constexpr struct lumen : named_unit<"lm", candela * steradian> {} lumen;
 inline constexpr struct lux : named_unit<"lx", lumen / square<metre>> {} lux;
 inline constexpr struct becquerel : named_unit<"Bq", 1 / second> {} becquerel;
diff --git a/test/unit_test/static/unit_test.cpp b/test/unit_test/static/unit_test.cpp
index 3b0427ed..0b470bd3 100644
--- a/test/unit_test/static/unit_test.cpp
+++ b/test/unit_test/static/unit_test.cpp
@@ -60,7 +60,7 @@ inline constexpr struct newton_ : named_unit<"N", kilogram * metre / square<seco
 inline constexpr struct pascal_ : named_unit<"Pa", newton / square<metre>> {} pascal;
 inline constexpr struct joule_ : named_unit<"J", newton * metre> {} joule;
 inline constexpr struct watt_ : named_unit<"W", joule / second> {} watt;
-inline constexpr struct degree_Celsius_ : named_unit<basic_symbol_text{"\u00B0C", "`C"}, kelvin> {} degree_Celsius;
+inline constexpr struct degree_Celsius_ : named_unit<basic_symbol_text{"°C", "`C"}, kelvin> {} degree_Celsius;
 
 inline constexpr struct minute_ : named_unit<"min", mag<60> * second> {} minute;
 inline constexpr struct hour_ : named_unit<"h", mag<60> * minute> {} hour;