From 172fa74239d3c331e0b805e58f310da1792b9d40 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Wed, 12 Feb 2020 09:50:07 +0100
Subject: [PATCH] gigaelectronvolt added

---
 src/include/units/physical/si/energy.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/include/units/physical/si/energy.h b/src/include/units/physical/si/energy.h
index 23c9c847..d7a1a842 100644
--- a/src/include/units/physical/si/energy.h
+++ b/src/include/units/physical/si/energy.h
@@ -36,6 +36,7 @@ struct megajoule : prefixed_unit<megajoule, mega, joule> {};
 struct gigajoule : prefixed_unit<gigajoule, giga, joule> {};
 
 struct electronvolt : named_scaled_unit<electronvolt, "eV", prefix, ratio<1'602'176'634, 1'000'000'000, -19>, joule> {};
+struct gigaelectronvolt : prefixed_unit<gigaelectronvolt, giga, electronvolt> {};
 
 struct dim_energy : physical::dim_energy<dim_energy, joule, dim_force, dim_length> {};
 
@@ -68,6 +69,10 @@ constexpr auto operator""GJ(long double l) { return energy<gigajoule, long doubl
 constexpr auto operator""eV(unsigned long long l) { return energy<electronvolt, std::int64_t>(l); }
 constexpr auto operator""eV(long double l) { return energy<electronvolt, long double>(l); }
 
+// GeV
+constexpr auto operator""GeV(unsigned long long l) { return energy<gigaelectronvolt, std::int64_t>(l); }
+constexpr auto operator""GeV(long double l) { return energy<gigaelectronvolt, long double>(l); }
+
 }  // namespace literals
 
 }  // namespace units::si