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60 lines
1.2 KiB
60 lines
1.2 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);
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r2 = logX(-1.0, 9);
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r3 = logX(1, 18);
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r4 = logX(3, 0);
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printf("%lf\n", r1);
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printf("%lf\n", r2);
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printf("%lf\n", r3);
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printf("%lf\n", r4);
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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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#endif // TEST
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