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119 lines
2.9 KiB
119 lines
2.9 KiB
#ifdef TEST
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#include "unity.h"
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#include "logarithmus.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_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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void test_logarithmic_function_with_edge_cases(void){
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double r1, r2, r3, r4;
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r1 = logX(0, 10.0);
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r2 = logX(-1.0, 9.0);
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r3 = logX(1.0, 18.0);
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r4 = logX(3.0, 0.0);
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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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TEST_ASSERT_EQUAL_DOUBLE(-1.0, r4);
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}
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void test_logarithmic_function_with_integers(void){
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double r1, r2, r3, r4;
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r1 = logX(0.5, 48.0);
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r2 = logX(2.0, 8.0);
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r3 = logX(3.2, 18.0);
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r4 = logX(6.0, 36.0);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, -5.584962, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 3.0, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.484950, r3);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.0, r4);
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}
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void test_logarithmic_function_with_decimals(void){
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double r1, r2, r3, r4;
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r1 = logX(0.1289, 26.5);
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r2 = logX(7.64, 8.314);
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r3 = logX(3.0, 2.4587);
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r4 = logX(9.0, 94.6584);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, -1.599607, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 1.041577, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.818881, r3);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.070919, r4);
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}
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void test_logarithmic_function_to_base_10(void){
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double r1, r2, r3, r4, r5, r6;
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r1 = log10(100.0);
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r2 = log10(100.6479);
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r3 = log10(10.587);
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r4 = log10(4.341);
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r5 = log10(0.34979);
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r6 = log10(1.0);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.0, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 2.002804, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 1.024772, r3);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.637589, r4);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, -0.456192, r5);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.0, r6);
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}
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void test_logarithmic_function_to_base_2(void){
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double r1, r2, r3, r4, r5, r6;
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r1 = log2(1024.0);
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r2 = log2(1024.8742);
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r3 = log2(900.587);
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r4 = log2(78.341);
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r5 = log2(0.34979);
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r6 = log2(1.0);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 10.0, r1);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 10.001231, r2);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 9.814721, r3);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 6.291695, r4);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, -1.515439, r5);
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TEST_ASSERT_DOUBLE_WITHIN(0.000001, 0.0, r6);
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}
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#endif // TEST
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