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[wpimath] Add InterpolatedTreeMap (#4073)

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- Add InterpolatedTreeMap for Java from team 254's 2016 MIT licensed code
- Add InterpolatedMap for C++ from team 3512's code with @calcmogul (original author) permission

Co-authored-by: Tyler Veness <calcmogul@gmail.com>
This commit is contained in:
Ashray._.g
2022-03-19 20:46:42 -07:00
committed by GitHub
parent 765efa325e
commit 0d70884dce
4 changed files with 369 additions and 0 deletions
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52
wpiutil/src/test/native/cpp/InterpolatingMapTest.cpp Normal file
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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include "wpi/interpolating_map.h" // NOLINT(build/include_order)
#include <gtest/gtest.h>
TEST(InterpolatingMapTest, Insert) {
wpi::interpolating_map<double, double> table;
table.insert(125, 450);
table.insert(200, 510);
table.insert(268, 525);
table.insert(312, 550);
table.insert(326, 650);
// Key below minimum gives smallest value
EXPECT_EQ(450, table[100]);
// Minimum key gives exact value
EXPECT_EQ(450, table[125]);
// Key gives interpolated value
EXPECT_EQ(480, table[162.5]);
// Key at right of interpolation range gives exact value
EXPECT_EQ(510, table[200]);
// Maximum key gives exact value
EXPECT_EQ(650, table[326]);
// Key above maximum gives largest value
EXPECT_EQ(650, table[400]);
}
TEST(InterpolatingMapTest, Clear) {
wpi::interpolating_map<double, double> table;
table.insert(125, 450);
table.insert(200, 510);
table.insert(268, 525);
table.insert(312, 550);
table.insert(326, 650);
table.clear();
table.insert(100, 250);
table.insert(200, 500);
EXPECT_EQ(375, table[150]);
}