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80 lines
2.5 KiB
C++
Executable File
80 lines
2.5 KiB
C++
Executable File
#include <doctest/doctest.h>
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#include "poet/Rounding.hpp"
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TEST_CASE("Rounding") {
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constexpr int signif = 3;
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poet::DHT_Rounder rounder;
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SUBCASE("+exp - +sig") {
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double input = 1.2345;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, 123);
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CHECK_EQ(rounded.sc_notation.exp, 0);
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}
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SUBCASE("+exp - -sig") {
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double input = -1.2345;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, -123);
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CHECK_EQ(rounded.sc_notation.exp, 0);
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}
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SUBCASE("-exp - +sig") {
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double input = 1.23456789E-5;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, 123);
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CHECK_EQ(rounded.sc_notation.exp, -5);
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}
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SUBCASE("-exp - -sig") {
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double input = -1.23456789E-5;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, -123);
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CHECK_EQ(rounded.sc_notation.exp, -5);
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}
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SUBCASE("-exp - +sig (exceeding aqueous minimum)") {
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double input = 1.23456789E-14;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, 0);
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CHECK_EQ(rounded.sc_notation.exp, 0);
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}
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SUBCASE("-exp - -sig (exceeding aqueous minimum)") {
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double input = -1.23456789E-14;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, 0);
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CHECK_EQ(rounded.sc_notation.exp, 0);
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}
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SUBCASE("-exp - +sig (diff exceeds aqueous minimum)") {
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double input = 1.23456789E-13;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, 1);
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CHECK_EQ(rounded.sc_notation.exp, -13);
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}
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SUBCASE("-exp - -sig (diff exceeds aqueous minimum)") {
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double input = -1.23456789E-13;
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auto rounded = rounder.round(input, signif, false);
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CHECK_EQ(rounded.sc_notation.significant, -1);
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CHECK_EQ(rounded.sc_notation.exp, -13);
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}
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SUBCASE("-exp - +sig (diff exceeds aqueous minimum - but H or O)") {
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double input = 1.23456789E-13;
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auto rounded = rounder.round(input, signif, true);
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CHECK_EQ(rounded.sc_notation.significant, 123);
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CHECK_EQ(rounded.sc_notation.exp, -13);
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}
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SUBCASE("-exp - -sig (diff exceeds aqueous minimum - but H or O)") {
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double input = -1.23456789E-13;
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auto rounded = rounder.round(input, signif, true);
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CHECK_EQ(rounded.sc_notation.significant, -123);
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CHECK_EQ(rounded.sc_notation.exp, -13);
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}
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}
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