Добавлено несколько модульных тестов (покрыто примерно 3,2%), небольшое исправление, переименование tantent в tangent pair (тангенсная пара)

basic-geometry-test/tests/utilities/is_zero.c

@@ -0,0 +1,93 @@
+#include "./is_zero.h"
+
+#include "./../../helpers.h"
+
+// ==================== FP32 ==================== //
+
+static const int _TEST_FP32_ZERO_NUMBERS_AMOUNT = 5;
+static const int _TEST_FP32_NONZERO_NUMBERS_AMOUNT = 4;
+
+static const float _TEST_FP32_ZERO_NUMBERS[] = {
+    0.0f,
+    BGC_EPSYLON_FP32,
+    -BGC_EPSYLON_FP32,
+    BGC_SQUARE_EPSYLON_FP32,
+    -BGC_SQUARE_EPSYLON_FP32
+};
+
+static const float _TEST_FP32_NONZERO_NUMBERS[] = {
+    1.0f,
+    -1.0f,
+    (1.5f * BGC_EPSYLON_FP32),
+    -(1.5f * BGC_EPSYLON_FP32)
+};
+
+int test_bgc_is_zero_fp32()
+{
+    print_testing_name("bgc_is_zero_fp32");
+
+    // Testing zero values:
+    for (int i = 0; i < _TEST_FP32_ZERO_NUMBERS_AMOUNT; i++) {
+        if (!bgc_is_zero_fp32(_TEST_FP32_ZERO_NUMBERS[i])) {
+            print_testing_failed();
+            return TEST_FAILED;
+        }
+    }
+
+    // Testing non-zero values:
+    for (int i = 0; i < _TEST_FP32_NONZERO_NUMBERS_AMOUNT; i++) {
+        if (bgc_is_zero_fp32(_TEST_FP32_NONZERO_NUMBERS[i])) {
+            print_testing_failed();
+            return TEST_FAILED;
+        }
+    }
+
+    print_testing_success();
+
+    return TEST_SUCCES;
+}
+
+// ==================== FP64 ==================== //
+
+static const int _TEST_FP64_ZERO_NUMBERS_AMOUNT = 5;
+static const int _TEST_FP64_NONZERO_NUMBERS_AMOUNT = 4;
+
+static const double _TEST_FP64_ZERO_NUMBERS[] = {
+    0.0,
+    BGC_EPSYLON_FP64,
+    -BGC_EPSYLON_FP64,
+    BGC_SQUARE_EPSYLON_FP64,
+    -BGC_SQUARE_EPSYLON_FP64
+};
+
+static const double _TEST_FP64_NONZERO_NUMBERS[] = {
+    1.0,
+    -1.0,
+    (1.5 * BGC_EPSYLON_FP64),
+    -(1.5 * BGC_EPSYLON_FP64)
+};
+
+int test_bgc_is_zero_fp64()
+{
+    print_testing_name("bgc_is_zero_fp64");
+
+    // Testing zero values:
+    for (int i = 0; i < _TEST_FP64_ZERO_NUMBERS_AMOUNT; i++) {
+        if (!bgc_is_zero_fp64(_TEST_FP64_ZERO_NUMBERS[i])) {
+            print_testing_failed();
+            return TEST_FAILED;
+        }
+    }
+
+    // Testing non-zero values:
+    for (int i = 0; i < _TEST_FP64_NONZERO_NUMBERS_AMOUNT; i++) {
+        if (bgc_is_zero_fp64(_TEST_FP64_NONZERO_NUMBERS[i])) {
+            print_testing_failed();
+            return TEST_FAILED;
+        }
+    }
+
+    print_testing_success();
+
+    return TEST_SUCCES;
+}