chore: import upstream snapshot with attribution

numexpr/__init__.py

@@ -0,0 +1,66 @@
+###################################################################
+#  Numexpr - Fast numerical array expression evaluator for NumPy.
+#
+#      License: MIT
+#      Author:  See AUTHORS.txt
+#
+#  See LICENSE.txt and LICENSES/*.txt for details about copyright and
+#  rights to use.
+####################################################################
+
+"""
+Numexpr is a fast numerical expression evaluator for NumPy.  With it,
+expressions that operate on arrays (like "3*a+4*b") are accelerated
+and use less memory than doing the same calculation in Python.
+
+See:
+
+https://github.com/pydata/numexpr
+
+for more info about it.
+
+"""
+
+from numexpr.interpreter import __BLOCK_SIZE1__, MAX_THREADS, use_vml
+
+is_cpu_amd_intel = False # DEPRECATION WARNING: WILL BE REMOVED IN FUTURE RELEASE
+
+# cpuinfo imports were moved into the test submodule function that calls them
+# to improve import times.
+
+from numexpr.expressions import E
+from numexpr.necompiler import (NumExpr, disassemble, evaluate, re_evaluate,
+                                validate)
+from numexpr.utils import (_init_num_threads, detect_number_of_cores,
+                           detect_number_of_threads, get_num_threads,
+                           get_vml_version, set_num_threads,
+                           set_vml_accuracy_mode, set_vml_num_threads)
+
+# Detect the number of cores
+ncores = detect_number_of_cores()
+# Initialize the number of threads to be used
+nthreads = _init_num_threads()
+# The default for VML is 1 thread (see #39)
+# set_vml_num_threads(1)
+
+from . import version
+
+__version__ = version.version
+
+def print_versions():
+    """Print the versions of software that numexpr relies on."""
+    try:
+        import numexpr.tests
+        return numexpr.tests.print_versions()
+    except ImportError:
+        # To maintain Python 2.6 compatibility we have simple error handling
+        raise ImportError('`numexpr.tests` could not be imported, likely it was excluded from the distribution.')
+
+def test(verbosity=1):
+    """Run all the tests in the test suite."""
+    try:
+        import numexpr.tests
+        return numexpr.tests.test(verbosity=verbosity)
+    except ImportError:
+        # To maintain Python 2.6 compatibility we have simple error handling
+        raise ImportError('`numexpr.tests` could not be imported, likely it was excluded from the distribution.')