Added a class "number" with comparison operators

Signed-off-by: Olivier Gayot <og@satcom1.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/number.h b/number.h
new file mode 100644
index 0000000..c508a81
--- /dev/null
+++ b/number.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include <list>
+
+#include <cstdint>
+
+class number {
+public:
+    number() = default;
+
+    /**
+     * \brief Tells whether the number passed as parameter is strictly less
+     * than this number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator<(const number &n) const;
+
+    /**
+     * \brief Tells whether the number passed as parameter is strictly greater
+     * than this number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator>(const number &n) const;
+
+    /**
+     * \brief Tells whether the number passed as parameter is less than or
+     * equal to this number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator<=(const number &n) const;
+
+    /**
+     * \brief Tells whether the number passed as parameter is greater than or
+     * equal to this number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator>=(const number &n) const;
+
+    /**
+     * \brief Tells whether the number passed as parameter is equal to this
+     * number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator==(const number &n) const;
+
+    /**
+     * \brief Tells whether the number passed as parameter is not equal to this
+     * number.
+     *
+     * \param n The number to compare with this number.
+     */
+    bool operator!=(const number &n) const;
+
+private:
+     /* First item is the least significant. */
+    std::list<std::uint64_t> _operands;
+};