116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
/*
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* @file test_interpolation_3d.cpp
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*
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* Created on: Oct 17, 2013
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* @author Andrey Belomutskiy, (c) 2012-2018
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*/
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#include "test_interpolation_3d.h"
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#include <stdlib.h>
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#include "interpolation.h"
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#include "global.h"
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#include "unit_test_framework.h"
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float rpmBins[5] = { 100, 200, 300, 400, 500 };
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float mafBins[4] = { 1, 2, 3, 4 };
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float map0[4] = { 1, 2, 3, 4 };
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float map1[4] = { 2, 3, 4, 5 };
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float map2[4] = { 3, 4, 200, 300 };
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float map3[4] = { 4, 200, 500, 600 };
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float map4[4] = { 4, 200, 500, 600 };
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float *map[5] = { map0, map1, map2, map3, map4 };
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static float getValue(float rpm, float maf) {
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return interpolate3d(rpm, rpmBins, 5, maf, mafBins, 4, map);
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}
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static void newTestToComfirmInterpolation() {
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// here's how the table loos like:
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//
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//__RPM_
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//__300_|_10|200|
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//__200_|__3|__4|
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//______|__2|__3|_LOAD
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map2[1] = 10;
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// let's start by testing corners
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assertEquals(3, getValue(/*rpm*/200, 2));
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assertEqualsM("low rpm high load", 4, getValue(/*rpm*/200, 3));
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assertEquals(10, getValue(/*rpm*/300, 2));
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assertEquals(200, getValue(/*rpm*/300, 3));
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// now testing middles of cell sides
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assertEqualsM("low rpm middle", 3.5, getValue(/*rpm*/200, 2.5));
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assertEqualsM("high rpm ", 105, getValue(/*rpm*/300, 2.5));
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assertEqualsM("low load middle", 6.5, getValue(/*rpm*/250, 2));
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assertEqualsM(" ", 102, getValue(/*rpm*/250, 3));
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// slowly go from middle side towards center
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assertEqualsM("middle @ 2.1 ",16.05, getValue(/*rpm*/250, 2.1));
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assertEqualsM("middle @ 2.2 ",25.6, getValue(/*rpm*/250, 2.2));
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assertEqualsM("middle @ 2.3 ",35.15, getValue(/*rpm*/250, 2.3));
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assertEqualsM("middle cell ", 54.25, getValue(/*rpm*/250, 2.5));
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// issue #604: interpolation outside of the table
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// X above the range
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assertEqualsM("800 @ 2.1 ",230, getValue(/*rpm*/800, 2.1));
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assertEqualsM("800 @ 2.3 ",290, getValue(/*rpm*/800, 2.3));
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assertEqualsM("800 @ 3.3 ",530, getValue(/*rpm*/800, 3.3));
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// X below the range
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assertEqualsM("-810 @ 2.1 ",2.1, getValue(/*rpm*/-810, 2.1));
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assertEqualsM("-820 @ 2.3 ",2.3, getValue(/*rpm*/-820, 2.3));
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// Y above the range
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assertEqualsM("310 @ 12.1 ", 330, getValue(/*rpm*/310, 12.1));
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assertEqualsM("320 @ 12.3 ", 360, getValue(/*rpm*/320, 12.3));
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// Y below the range
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assertEqualsM("310 @ -12.1 ", 3.1, getValue(/*rpm*/310, -12.1));
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assertEqualsM("320 @ -12.3 ", 3.2, getValue(/*rpm*/320, -12.3));
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}
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void testInterpolate3d(void) {
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printf("*************************************************** testInterpolate3d\r\n");
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printf("*** no interpolation here 1\r\n");
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assertEquals(2, getValue(100, 2));
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printf("*** no interpolation here 2\r\n");
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assertEquals(5, getValue(200, 4));
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printf("*** rpm interpolated value expected1\r\n");
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assertEquals(2.5, getValue(150, 2));
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printf("*** rpm interpolated value expected2\r\n");
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assertEquals(102, getValue(250, 3));
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printf("*** both rpm and maf interpolated value expected\r\n");
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assertEquals(361, getValue(335.3, 3.551));
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printf("*** both rpm and maf interpolated value expected 2\r\n");
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assertEquals(203.6, getValue(410.01, 2.012));
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printf("*** both rpm and maf interpolated value expected 3\r\n");
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assertEquals(600, getValue(1000000, 1000));
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printf("*** both rpm and maf interpolated value expected 4\r\n");
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assertEquals(4, getValue(410.01, -1));
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assertEquals(1, getValue(-1, -1));
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newTestToComfirmInterpolation();
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}
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