Initial commit

lib/utils.cpp

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+/** @file utils.cpp
+ *
+ *  @author Cory Alexander Balaton (coryab)
+ *  @author Janita Ovidie Sandtrøen Willumsen (janitaws)
+ *
+ *  @version 1.0
+ *
+ *  @brief Implementation of the utils
+ *
+ *  @bug No known bugs
+ * */
+#include "utils.hpp"
+
+namespace utils {
+
+std::string scientific_format(double d, int width, int prec)
+{
+    std::stringstream ss;
+    ss << std::setw(width) << std::setprecision(prec) << std::scientific << d;
+    return ss.str();
+}
+
+std::string scientific_format(const std::vector<double> &v, int width, int prec)
+{
+    std::stringstream ss;
+    for (double elem : v) {
+        ss << scientific_format(elem, width, prec);
+    }
+    return ss.str();
+}
+
+bool mkpath(std::string path, int mode)
+{
+    std::string cur_dir;
+    std::string::size_type pos = -1;
+    struct stat buf;
+
+    if (path.back() != '/') {
+        path += '/';
+    }
+    while (true) {
+        pos++;
+        pos = path.find('/', pos);
+        if (pos != std::string::npos) {
+            cur_dir = path.substr(0, pos);
+            if (mkdir(cur_dir.c_str(), mode) != 0
+                && stat(cur_dir.c_str(), &buf) != 0) {
+                return -1;
+            }
+        }
+        else {
+            break;
+        }
+    }
+    return 0;
+}
+
+std::string dirname(const std::string &path)
+{
+    return path.substr(0, path.find_last_of("/"));
+}
+
+std::string concatpath(const std::string &left, const std::string &right)
+{
+    if (left.back() != '/' and right.front() != '/') {
+        return left + '/' + right;
+    }
+    else {
+        return left + right;
+    }
+}
+
+} // namespace utils