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216 lines
7.2 KiB
216 lines
7.2 KiB
#ifdef TEST
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#include "unity.h"
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#include "addition.h"
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num carry[1];
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union {
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float floating;
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unsigned int integer;
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} number[5];
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void setUp(void)
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{
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}
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void tearDown(void)
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{
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}
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void test_addition_full_adder_nullplusnullgleichnull(void)
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{
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num result[1];
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num expected = 0;
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full_adder(result, carry, 0, 0, 0);
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TEST_ASSERT_EQUAL_UINT(expected, result[0]);
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}
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void test_addition_full_adder_nullplusnullgleichnullmituebertrag(void)
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{
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num result[1];
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num expected = 1;
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full_adder(result, carry, 0, 0, 1);
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TEST_ASSERT_EQUAL_UINT(expected, result[0]);
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}
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void test_addition_full_adder_zahlpluszahlgleichsummeohneuebertrag(void)
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{
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num result[5];
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num expected[5] = { 0, 1, 1, 1, 1};
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full_adder((result+0), carry, 1, 0, 1);
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full_adder((result+1), carry, 0, 1, 0);
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full_adder((result+2), carry, 1, 0, 0);
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full_adder((result+3), carry, 0, 0, 1);
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full_adder((result+4), carry, 1, 1, 1);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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}
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void test_addition_full_adder_completesumwithcarry(void)
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{
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num result[5], carryresult[5];
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num expected[5] = { 0, 0, 1, 1, 0}, expectedcarry[5] = { 1, 1, 1, 0, 0};
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full_adder(result+0, carryresult+0, 0, 1, 1);
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full_adder(result+1, carryresult+1, 1, 1, 0);
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full_adder(result+2, carryresult+2, 1, 1, 1);
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full_adder(result+3, carryresult+3, 0, 1, 0);
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full_adder(result+4, carryresult+4, 0, 0, 0);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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TEST_ASSERT_EQUAL_UINT(expectedcarry[0], carryresult[0]);
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TEST_ASSERT_EQUAL_UINT(expectedcarry[1], carryresult[1]);
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TEST_ASSERT_EQUAL_UINT(expectedcarry[2], carryresult[2]);
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TEST_ASSERT_EQUAL_UINT(expectedcarry[3], carryresult[3]);
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TEST_ASSERT_EQUAL_UINT(expectedcarry[4], carryresult[4]);
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}
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void test_addition_addition_basecasezeropluszeroequalzero(void)
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{
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unsigned int result;
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unsigned int expected = 0;
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result = addition(0, 0);
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TEST_ASSERT_EQUAL_UINT(expected, result);
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}
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void test_addition_addition_basecaseonescolumns(void)
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{
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unsigned int result[2];
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unsigned int expected[2] = { 1, 1 };
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result[0] = addition(1, 0);
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result[1] = addition(0, 1);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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}
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void test_addition_addition_basecasetotenscolumns(void)
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{
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unsigned int result[5];
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unsigned int expected[5] = { 3, 3, 2, 3, 3 };
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result[0] = addition(0, 3);
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result[1] = addition(1, 2);
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result[2] = addition(1, 1);
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result[3] = addition(2, 1);
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result[4] = addition(3, 0);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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}
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void test_addition_addition_allunsignedinteger(void)
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{
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unsigned int result[5];
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unsigned int expected[5] = { 88879736, __UINT32_MAX__, 66558, __UINT32_MAX__, 477905879 };
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result[0] = addition(13456275, 75423461);
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result[1] = addition(4294967294, 1);
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result[2] = addition(1023, 65535);
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result[3] = addition(0, 4294967295);
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result[4] = addition(54321567,423584312);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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}
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void test_addition_signfloatingnumber(void) {
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unsigned int result[2];
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unsigned int expected[2] = { 0, 1 };
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number[0].floating = 1, number[1].floating = -1;
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result[0] = sign(number[0].integer);
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result[1] = sign(number[1].integer);
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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}
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void test_addition_precisionfloatingnumber(void) {
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unsigned int result[5];
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number[0].floating = 0, number[1].floating = -34753168, number[2].floating = 75613594, number[3].floating = -0.00000044568721, number[4].floating = 0.0000004796123;
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unsigned int expected[5] = { ( number[0].integer << 9) >> 9 , ( number[1].integer << 9) >> 9, ( number[2].integer << 9) >> 9, ( number[3].integer << 9) >> 9, ( number[4].integer << 9) >> 9};
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result[0] = precision( number[0].integer );
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result[1] = precision( number[1].integer );
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result[2] = precision( number[2].integer );
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result[3] = precision( number[3].integer );
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result[4] = precision( number[4].integer );
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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}
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void test_addition_exponentfloatingnumber(void) {
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unsigned int result[5];
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number[0].floating = 0, number[1].floating = -762134982, number[2].floating = 47621349, number[3].floating = -0.0000078961354, number[4].floating = 0.00001568943;
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unsigned int expected[5] = { ( number[0].integer << 1) >> 24 , ( number[1].integer << 1) >> 24, ( number[2].integer << 1) >> 24, ( number[3].integer << 1) >> 24, ( number[4].integer << 1) >> 24};
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result[0] = e( number[0].integer );
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result[1] = e( number[1].integer );
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result[2] = e( number[2].integer );
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result[3] = e( number[3].integer );
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result[4] = e( number[4].integer );
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TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
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}
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void test_addition_addition_float_0plus0gleich0(void) {
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float result;
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float expected = (float) 0.0;
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result = addition_float( (float) 0.0, (float) 0.0);
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TEST_ASSERT_EQUAL_FLOAT(expected, result);
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}
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void test_addition_addition_float_0plusnumbergleichnumber(void) {
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float result[5];
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number[0].floating = 45672.56487, number[1].floating = -9531145672.467, number[2].floating = 91357634, number[3].floating = -0.0000000079533144, number[4].floating = 0.0756215698;
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float expected[5] = { number[0].floating, number[1].floating, number[2].floating, number[3].floating, number[4].floating };
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result[0] = addition_float(number[0].floating, (float) 0.0);
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result[1] = addition_float((float) 0.0, number[1].floating);
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result[2] = addition_float(number[2].floating, (float) 0.0);
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result[3] = addition_float((float) 0.0, number[3].floating);
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result[4] = addition_float((float) 0.0, number[4].floating);
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TEST_ASSERT_EQUAL_FLOAT(expected[0], result[0]);
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TEST_ASSERT_EQUAL_FLOAT(expected[1], result[1]);
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TEST_ASSERT_EQUAL_FLOAT(expected[2], result[2]);
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TEST_ASSERT_EQUAL_FLOAT(expected[3], result[3]);
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TEST_ASSERT_EQUAL_FLOAT(expected[4], result[4]);
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}
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#endif // TEST
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