Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/numexpr-2.8.7.dev1-py3.8-linux-x86_64.egg/numexpr/__init__.py: 58%

1################################################################### 

2# Numexpr - Fast numerical array expression evaluator for NumPy. 

3# 

4# License: MIT 

5# Author: See AUTHORS.txt 

6# 

7# See LICENSE.txt and LICENSES/*.txt for details about copyright and 

8# rights to use. 

9#################################################################### 

10 

11""" 

12Numexpr is a fast numerical expression evaluator for NumPy. With it, 

13expressions that operate on arrays (like "3*a+4*b") are accelerated 

14and use less memory than doing the same calculation in Python. 

15 

16See: 

17 

18https://github.com/pydata/numexpr 

19 

20for more info about it. 

21 

22""" 

23 

24from numexpr.interpreter import MAX_THREADS, use_vml, __BLOCK_SIZE1__ 

25 

26is_cpu_amd_intel = False # DEPRECATION WARNING: WILL BE REMOVED IN FUTURE RELEASE 

27 

28# cpuinfo imports were moved into the test submodule function that calls them  

29# to improve import times. 

30 

31import os, os.path 

32import platform 

33from numexpr.expressions import E 

34from numexpr.necompiler import (NumExpr, disassemble, evaluate, re_evaluate, 

35 validate) 

36 

37from numexpr.utils import (_init_num_threads, 

38 get_vml_version, set_vml_accuracy_mode, set_vml_num_threads, 

39 set_num_threads, get_num_threads, 

40 detect_number_of_cores, detect_number_of_threads) 

41 

42# Detect the number of cores 

43ncores = detect_number_of_cores() 

44# Initialize the number of threads to be used 

45nthreads = _init_num_threads() 

46# The default for VML is 1 thread (see #39) 

47# set_vml_num_threads(1) 

48 

49from . import version 

50__version__ = version.version 

51 

52def print_versions(): 

53 """Print the versions of software that numexpr relies on.""" 

54 try: 

55 import numexpr.tests 

56 return numexpr.tests.print_versions() 

57 except ImportError: 

58 # To maintain Python 2.6 compatibility we have simple error handling 

59 raise ImportError('`numexpr.tests` could not be imported, likely it was excluded from the distribution.') 

60 

61def test(verbosity=1): 

62 """Run all the tests in the test suite.""" 

63 try: 

64 import numexpr.tests 

65 return numexpr.tests.test(verbosity=verbosity) 

66 except ImportError: 

67 # To maintain Python 2.6 compatibility we have simple error handling 

68 raise ImportError('`numexpr.tests` could not be imported, likely it was excluded from the distribution.')