Import matplotlib

commit_hash:d59c2338025ef8fd1e1f961ed9d8d5fd52d0bd96

1 files changed, 99 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py3/src/mplutils.h b/contrib/python/matplotlib/py3/src/mplutils.h
new file mode 100644
index 00000000000..6eb89899ca4
--- /dev/null
+++ b/contrib/python/matplotlib/py3/src/mplutils.h
@@ -0,0 +1,99 @@
+/* -*- mode: c++; c-basic-offset: 4 -*- */
+
+/* Small utilities that are shared by most extension modules. */
+
+#ifndef MPLUTILS_H
+#define MPLUTILS_H
+#define PY_SSIZE_T_CLEAN
+
+#include <Python.h>
+#include <stdint.h>
+
+#ifdef _POSIX_C_SOURCE
+#    undef _POSIX_C_SOURCE
+#endif
+#ifndef _AIX
+#ifdef _XOPEN_SOURCE
+#    undef _XOPEN_SOURCE
+#endif
+#endif
+
+// Prevent multiple conflicting definitions of swab from stdlib.h and unistd.h
+#if defined(__sun) || defined(sun)
+#if defined(_XPG4)
+#undef _XPG4
+#endif
+#if defined(_XPG3)
+#undef _XPG3
+#endif
+#endif
+
+
+inline int mpl_round_to_int(double v)
+{
+    return (int)(v + ((v >= 0.0) ? 0.5 : -0.5));
+}
+
+inline double mpl_round(double v)
+{
+    return (double)mpl_round_to_int(v);
+}
+
+// 'kind' codes for paths.
+enum {
+    STOP = 0,
+    MOVETO = 1,
+    LINETO = 2,
+    CURVE3 = 3,
+    CURVE4 = 4,
+    CLOSEPOLY = 0x4f
+};
+
+const size_t NUM_VERTICES[] = { 1, 1, 1, 2, 3, 1 };
+
+inline int prepare_and_add_type(PyTypeObject *type, PyObject *module)
+{
+    if (PyType_Ready(type)) {
+        return -1;
+    }
+    char const* ptr = strrchr(type->tp_name, '.');
+    if (!ptr) {
+        PyErr_SetString(PyExc_ValueError, "tp_name should be a qualified name");
+        return -1;
+    }
+    if (PyModule_AddObject(module, ptr + 1, (PyObject *)type)) {
+        return -1;
+    }
+    return 0;
+}
+
+#ifdef __cplusplus  // not for macosx.m
+// Check that array has shape (N, d1) or (N, d1, d2).  We cast d1, d2 to longs
+// so that we don't need to access the NPY_INTP_FMT macro here.
+
+template<typename T>
+inline bool check_trailing_shape(T array, char const* name, long d1)
+{
+    if (array.dim(1) != d1) {
+        PyErr_Format(PyExc_ValueError,
+                     "%s must have shape (N, %ld), got (%ld, %ld)",
+                     name, d1, array.dim(0), array.dim(1));
+        return false;
+    }
+    return true;
+}
+
+template<typename T>
+inline bool check_trailing_shape(T array, char const* name, long d1, long d2)
+{
+    if (array.dim(1) != d1 || array.dim(2) != d2) {
+        PyErr_Format(PyExc_ValueError,
+                     "%s must have shape (N, %ld, %ld), got (%ld, %ld, %ld)",
+                     name, d1, d2, array.dim(0), array.dim(1), array.dim(2));
+        return false;
+    }
+    return true;
+}
+#endif
+
+#endif