Import matplotlib

commit_hash:d59c2338025ef8fd1e1f961ed9d8d5fd52d0bd96

1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/python/contourpy/src/util.cpp b/contrib/python/contourpy/src/util.cpp
new file mode 100644
index 00000000000..82c1cc21d93
--- /dev/null
+++ b/contrib/python/contourpy/src/util.cpp
@@ -0,0 +1,30 @@
+#include "util.h"
+#include <cmath>
+#include <thread>
+
+namespace contourpy {
+
+bool Util::_nan_loaded = false;
+
+double Util::nan = 0.0;
+
+void Util::ensure_nan_loaded()
+{
+    if (!_nan_loaded) {
+        auto numpy = py::module_::import("numpy");
+        nan = numpy.attr("nan").cast<double>();
+        _nan_loaded = true;
+    }
+}
+
+index_t Util::get_max_threads()
+{
+    return static_cast<index_t>(std::thread::hardware_concurrency());
+}
+
+bool Util::is_nan(double value)
+{
+    return std::isnan(value);
+}
+
+} // namespace contourpy