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110 lines
2.4 KiB
110 lines
2.4 KiB
#ifdef TEST
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#include "unity.h"
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#include "exponent.h"
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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_DoubleBase_ForPositiveExponent(void){
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int r1, r2, r3;
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r1 = expI(2.0, -2.0);
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r2 = expI(3.0, -3.0);
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r3 = expI(4.0, 5.0);
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TEST_ASSERT_EQUAL_INT(4.0, r1);
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TEST_ASSERT_EQUAL_INT(-27.0, r2);
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TEST_ASSERT_EQUAL_INT(625.0, r3);
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}
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void test_DoubleBase_ForNegativeExponent(void){
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float r1, r2, r3;
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r1 = expIN(-1.0, 2.0);
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r2 = expIN(-3.0, -3.0);
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r3 = expIN(-2.0, -2.0);
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TEST_ASSERT_EQUAL_FLOAT(0.5, r1);
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TEST_ASSERT_EQUAL_FLOAT(-0.0370370373, r2);
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TEST_ASSERT_EQUAL_FLOAT(0.25, r3);
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}
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void test_DoubleBase_for_positive_decimal_exponent(void){
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float r1, r2, r3;
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r1 = expIN(0.45, 3.0);
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r2 = expIN(0.5, 9.0);
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r3 = expIN(0.5, 2.0);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 1.639474, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 3.0, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 1.414213, r3);
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}
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void test_DoubleDecimalBase_for_positive_decimal_exponent(void){
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float r1, r2, r3;
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r1 = expIN(0.31, 0.413);
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r2 = expIN(0.5, 3.13432);
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r3 = expIN(0.124, 10.1231);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 0.760229, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 1.770401, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 1.332474, r3);
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}
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void test_Exponent_with_positive_number(void){
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double r1, r2, r3;
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r1 = exponential(0.0);
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r2 = exponential(1.0);
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r3 = exponential(2.0);
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TEST_ASSERT_EQUAL_DOUBLE(1.0, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 2.718282, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.0001, 7.389056, r3);
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}
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void test_Exponent_with_negative_number(void){
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double r1, r2, r3;
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r1 = exponential(-1.0);
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r2 = exponential(-2.0);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.367879, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.135335, r2);
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}
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void test_ln_with_positive_number(void){
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double r1, r2, r3;
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r1 = logN(1.0, 0.000001);
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r2 = logN(10.0, 0.000001);
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r3 = logN(2.5, 0.000001);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.302585, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.916290, r3);
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}
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void test_ln_with_zero_and_negative_numbers(void){
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double r1, r2, r3;
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r1 = logN(0.0, 0.000001);
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r2 = logN(-1.0, 0.000001);
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r3 = logN(-2.5, 0.000001);
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TEST_ASSERT_EQUAL_DOUBLE(-1.0, r1);
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TEST_ASSERT_EQUAL_DOUBLE(-1.0, r2);
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TEST_ASSERT_EQUAL_DOUBLE(-1.0, r3);
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}
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#endif // TEST
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