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arbitrary instance for std::complex #201

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arbitrary instance for std::complex #201

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15 changes: 15 additions & 0 deletions include/rapidcheck/gen/Numeric.hpp
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Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
#pragma once

#include <complex>

#include "rapidcheck/detail/BitStream.h"
#include "rapidcheck/shrinkable/Create.h"
#include "rapidcheck/shrink/Shrink.h"
#include "rapidcheck/gen/Transform.h"
#include "rapidcheck/gen/Tuple.h"
#include "rapidcheck/gen/detail/ScaleInteger.h"

namespace rc {
Expand Down Expand Up @@ -80,6 +83,18 @@ struct DefaultArbitrary<long double> {
static Gen<long double> arbitrary() { return real<long double>; }
};

template <typename T>
struct DefaultArbitrary<std::complex<T>> {
static Gen<std::complex<T>> arbitrary() {
return gen::map(
gen::pair(
DefaultArbitrary<T>::arbitrary(),
DefaultArbitrary<T>::arbitrary()),
[](std::pair<T, T> pair) { return std::complex<T> (pair.first, pair.second); }
);
}
};

template <>
struct DefaultArbitrary<bool> {
static Gen<bool> arbitrary() { return boolean; }
Expand Down