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feat: value_cast support added

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Resolves #239 and #120
This commit is contained in:
Mateusz Pusz
2023-02-03 11:08:13 +01:00
parent cf3408a3c8
commit b4f47c3fef
19 changed files with 220 additions and 212 deletions
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example/avg_speed.cpp
+8 -12
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@@ -52,8 +52,7 @@ constexpr QuantityOf<isq::speed> auto avg_speed(QuantityOf<isq::length> auto d,
template<QuantityOf<isq::length> D, QuantityOf<isq::time> T, QuantityOf<isq::speed> V>
void print_result(D distance, T duration, V speed)
{
constexpr auto kmph = si::kilo<si::metre> / si::hour;
const auto result_in_kmph = quantity_cast<kmph>(speed);
const auto result_in_kmph = value_cast<km / h>(speed);
std::cout << "Average speed of a car that makes " << distance << " in " << duration << " is " << result_in_kmph
<< ".\n";
}
@@ -80,8 +79,7 @@ void example()
std::cout << "\nSI units with 'double' as representation\n";
// conversion from a floating-point to an integral type is a truncating one so an explicit cast is needed
print_result(distance, duration,
fixed_int_si_avg_speed(quantity_cast<int>(distance), quantity_cast<int>(duration)));
print_result(distance, duration, fixed_int_si_avg_speed(value_cast<int>(distance), value_cast<int>(duration)));
print_result(distance, duration, fixed_double_si_avg_speed(distance, duration));
print_result(distance, duration, avg_speed(distance, duration));
}
@@ -97,7 +95,7 @@ void example()
// it is not possible to make a lossless conversion of miles to meters on an integral type
// (explicit cast needed)
print_result(distance, duration, fixed_int_si_avg_speed(quantity_cast<si::metre>(distance), duration));
print_result(distance, duration, fixed_int_si_avg_speed(value_cast<si::metre>(distance), duration));
print_result(distance, duration, fixed_double_si_avg_speed(distance, duration));
print_result(distance, duration, avg_speed(distance, duration));
}
@@ -114,9 +112,8 @@ void example()
// conversion from a floating-point to an integral type is a truncating one so an explicit cast is needed
// also it is not possible to make a lossless conversion of miles to meters on an integral type
// (explicit cast needed)
print_result(
distance, duration,
fixed_int_si_avg_speed(quantity_cast<quantity<isq::length[m], int>>(distance), quantity_cast<int>(duration)));
print_result(distance, duration,
fixed_int_si_avg_speed(value_cast<int>(value_cast<si::metre>(distance)), value_cast<int>(duration)));
print_result(distance, duration, fixed_double_si_avg_speed(distance, duration));
print_result(distance, duration, avg_speed(distance, duration));
}
@@ -130,7 +127,7 @@ void example()
// it is not possible to make a lossless conversion of centimeters to meters on an integral type
// (explicit cast needed)
print_result(distance, duration, fixed_int_si_avg_speed(quantity_cast<si::metre>(distance), duration));
print_result(distance, duration, fixed_int_si_avg_speed(value_cast<si::metre>(distance), duration));
print_result(distance, duration, fixed_double_si_avg_speed(distance, duration));
print_result(distance, duration, avg_speed(distance, duration));
}
@@ -145,9 +142,8 @@ void example()
// conversion from a floating-point to an integral type is a truncating one so an explicit cast is needed
// it is not possible to make a lossless conversion of centimeters to meters on an integral type
// (explicit cast needed)
print_result(
distance, duration,
fixed_int_si_avg_speed(quantity_cast<quantity<isq::length[m], int>>(distance), quantity_cast<int>(duration)));
print_result(distance, duration,
fixed_int_si_avg_speed(value_cast<int>(value_cast<m>(distance)), value_cast<int>(duration)));
print_result(distance, duration, fixed_double_si_avg_speed(distance, duration));
print_result(distance, duration, avg_speed(distance, duration));