add files for logarithmus

src/logarithmus.c

@@ -0,0 +1,4 @@
+#include <stdio.h>
+#include <limits.h>
+
+#include "logarithmus.h"

src/logarithmus.h

@@ -0,0 +1,4 @@
+#ifndef LOGARITHMUS_H_H
+#define LOGARITHMUS_H
+
+#endif // exponent.h

test/test_logarithmus.c

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+#ifdef TEST
+
+#include "unity.h"
+
+#include "logarithmus.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+#endif // TEST