commit e68529c8b0e0058c7f4fa4f7aa4b8ba9755cefae
Author: KleptsovKD <KleptsovKD@mpei.ru>
Date:   Mon Feb 3 20:39:33 2025 +0300

    nibble_to_hex

diff --git a/lab04/.gitignore b/lab04/.gitignore
new file mode 100644
index 0000000..6a543be
--- /dev/null
+++ b/lab04/.gitignore
@@ -0,0 +1,4 @@
+/bin
+/obj
+/lab04.depend
+/lab04.layout
diff --git a/lab04/lab04.cbp b/lab04/lab04.cbp
new file mode 100644
index 0000000..42b65e3
--- /dev/null
+++ b/lab04/lab04.cbp
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="lab04" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/lab04" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/lab04" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename=".gitignore" />
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>
diff --git a/lab04/main.cpp b/lab04/main.cpp
new file mode 100644
index 0000000..46f52de
--- /dev/null
+++ b/lab04/main.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <cassert>
+
+using namespace std;
+
+char nibble_to_hex(uint8_t i) //Conversion to hex format
+{
+    assert(0x0 <= i && i <= 0xf);
+    //return "0123456789abcdef"[i];
+    if (i < 10)
+    {
+        return i + '0';
+    }
+    else
+    {
+        return 'a' + (i - 10);
+    }
+}
+
+
+
+
+int main()
+{
+
+    assert(nibble_to_hex(0x0) == '0');
+    assert(nibble_to_hex(0x1) == '1');
+    assert(nibble_to_hex(0x2) == '2');
+    assert(nibble_to_hex(0x3) == '3');
+    assert(nibble_to_hex(0x4) == '4');
+    assert(nibble_to_hex(0x5) == '5');
+    assert(nibble_to_hex(0x6) == '6');
+    assert(nibble_to_hex(0x7) == '7');
+    assert(nibble_to_hex(0x8) == '8');
+    assert(nibble_to_hex(0x9) == '9');
+    assert(nibble_to_hex(0xa) == 'a');
+    assert(nibble_to_hex(0xb) == 'b');
+    assert(nibble_to_hex(0xc) == 'c');
+    assert(nibble_to_hex(0xd) == 'd');
+    assert(nibble_to_hex(0xe) == 'e');
+    assert(nibble_to_hex(0xf) == 'f');
+
+
+    cout << "Press any key for exit... ";
+    cin.get();
+    return 0;
+}