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231e468e19
git-subtree-dir: erigon-lib git-subtree-mainline:3c8cbda809git-subtree-split:93d9c9d9fe
43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
#include "fraction_field_element.h"
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#include "error_handling.h"
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namespace starkware {
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template <typename FieldElementT>
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FractionFieldElement<FieldElementT> FractionFieldElement<FieldElementT>::operator+(
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const FractionFieldElement<FieldElementT>& rhs) const {
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const auto num_value = this->numerator_ * rhs.denominator_ + this->denominator_ * rhs.numerator_;
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const auto denom_value = this->denominator_ * rhs.denominator_;
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return FractionFieldElement(num_value, denom_value);
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}
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template <typename FieldElementT>
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FractionFieldElement<FieldElementT> FractionFieldElement<FieldElementT>::operator-(
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const FractionFieldElement<FieldElementT>& rhs) const {
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const auto num_value = this->numerator_ * rhs.denominator_ - this->denominator_ * rhs.numerator_;
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const auto denom_value = this->denominator_ * rhs.denominator_;
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return FractionFieldElement(num_value, denom_value);
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}
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template <typename FieldElementT>
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FractionFieldElement<FieldElementT> FractionFieldElement<FieldElementT>::operator*(
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const FractionFieldElement<FieldElementT>& rhs) const {
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return FractionFieldElement(
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this->numerator_ * rhs.numerator_, this->denominator_ * rhs.denominator_);
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}
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template <typename FieldElementT>
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bool FractionFieldElement<FieldElementT>::operator==(
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const FractionFieldElement<FieldElementT>& rhs) const {
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return this->numerator_ * rhs.denominator_ == this->denominator_ * rhs.numerator_;
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}
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template <typename FieldElementT>
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FractionFieldElement<FieldElementT> FractionFieldElement<FieldElementT>::Inverse() const {
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ASSERT(this->numerator_ != FieldElementT::Zero(), "Zero does not have an inverse");
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return FractionFieldElement(denominator_, numerator_);
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}
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} // namespace starkware
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