Merge branch 'rightlib' into merge-libs-250514-0050

1 files changed, 80 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py2/src/array.h b/contrib/python/matplotlib/py2/src/array.h
new file mode 100644
index 00000000000..8056366a1c9
--- /dev/null
+++ b/contrib/python/matplotlib/py2/src/array.h
@@ -0,0 +1,80 @@
+/* -*- mode: c++; c-basic-offset: 4 -*- */
+
+/* Utilities to create scalars and empty arrays that behave like the
+   Numpy array wrappers in numpy_cpp.h */
+
+#ifndef _SCALAR_H_
+#define _SCALAR_H_
+
+namespace array
+{
+
+template <typename T, int ND>
+class scalar
+{
+  public:
+    T m_value;
+
+    scalar(const T value) : m_value(value)
+    {
+    }
+
+    T &operator()(int i, int j = 0, int k = 0)
+    {
+        return m_value;
+    }
+
+    const T &operator()(int i, int j = 0, int k = 0) const
+    {
+        return m_value;
+    }
+
+    int dim(size_t i)
+    {
+        return 1;
+    }
+
+    size_t size()
+    {
+        return 1;
+    }
+};
+
+template <typename T>
+class empty
+{
+  public:
+    typedef empty<T> sub_t;
+
+    empty()
+    {
+    }
+
+    T &operator()(int i, int j = 0, int k = 0)
+    {
+        throw std::runtime_error("Accessed empty array");
+    }
+
+    const T &operator()(int i, int j = 0, int k = 0) const
+    {
+        throw std::runtime_error("Accessed empty array");
+    }
+
+    sub_t operator[](int i) const
+    {
+        return empty<T>();
+    }
+
+    int dim(size_t i) const
+    {
+        return 0;
+    }
+
+    size_t size() const
+    {
+        return 0;
+    }
+};
+}
+
+#endif