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diff --git a/labb5/lib/StanfordCPPLib/simpio.h b/labb5/lib/StanfordCPPLib/simpio.h
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+++ b/labb5/lib/StanfordCPPLib/simpio.h
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+/*
+ * File: simpio.h
+ * --------------
+ * This file exports a set of functions that simplify input/output
+ * operations in C++ and provide some error-checking on console input.
+ */
+
+#ifndef _simpio_h
+#define _simpio_h
+
+#include <string>
+
+/*
+ * Function: getInteger
+ * Usage: int n = getInteger(prompt);
+ * ----------------------------------
+ * Reads a complete line from <code>cin</code> and scans it as an
+ * integer. If the scan succeeds, the integer value is returned. If
+ * the argument is not a legal integer or if extraneous characters
+ * (other than whitespace) appear in the string, the user is given
+ * a chance to reenter the value. If supplied, the optional
+ * <code>prompt</code> string is printed before reading the value.
+ */
+
+int getInteger(std::string prompt = "");
+
+/*
+ * Function: getReal
+ * Usage: double x = getReal(prompt);
+ * ----------------------------------
+ * Reads a complete line from <code>cin</code> and scans it as a
+ * floating-point number. If the scan succeeds, the floating-point
+ * value is returned.  If the input is not a legal number or if
+ * extraneous characters (other than whitespace) appear in the string,
+ * the user is given a chance to reenter the value. If supplied, the
+ * optional <code>prompt</code> string is printed before reading the value.
+ */
+
+double getReal(std::string prompt = "");
+
+/*
+ * Function: getLine
+ * Usage: string line = getLine(prompt);
+ * -------------------------------------
+ * Reads a line of text from <code>cin</code> and returns that line
+ * as a string.  The newline character that terminates the input is
+ * not stored as part of the return value.  If supplied, the optional
+ * <code>prompt</code> string is printed before reading the value.
+ */
+
+std::string getLine(std::string prompt = "");
+
+#endif