76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
import os
|
|
|
|
import logging
|
|
import logging.handlers
|
|
|
|
import inspect
|
|
import numpy as np
|
|
|
|
|
|
def get_logger(filename, level = logging.DEBUG, logger_name = 'pymoab', size = 2048, backupCount = 10):
|
|
"""
|
|
This is a simple wrapper around a few sane
|
|
defaults using Python's logging functionality.
|
|
|
|
An explaination of the optional parameters:
|
|
filename : the filename
|
|
level : one of either debug, info, warn, or error
|
|
logger_name : if one needs multiple logfiles, one must name them.
|
|
size : the size in bytes of the logfile before roll (defaults to 2MB)
|
|
backupCount : number of rolled logs to keep around (defaults to 10)
|
|
"""
|
|
|
|
logger = logging.getLogger(logger_name)
|
|
logger.setLevel(level)
|
|
my_format = logging.Formatter('%(asctime)s %(levelname)s (%(process)d) %(filename)s %(funcName)s:%(lineno)d %(message)s')
|
|
handler = logging.handlers.RotatingFileHandler(
|
|
filename, maxBytes = size * 1024, backupCount = backupCount)
|
|
handler.setFormatter(my_format)
|
|
logger.addHandler(handler)
|
|
|
|
return logger
|
|
|
|
log = get_logger(filename = '/tmp/interp.log')
|
|
|
|
def rms(errors):
|
|
"""
|
|
root mean square calculation
|
|
"""
|
|
r = 0.0
|
|
for i in errors:
|
|
r += np.power(i, 2)
|
|
r = np.sqrt(r / len(errors))
|
|
return r
|
|
|
|
def exact_func(X):
|
|
"""
|
|
the exact function used from baker's article (for testing)
|
|
"""
|
|
x = X[0]
|
|
y = X[1]
|
|
return np.power((np.sin(x * np.pi) * np.cos(y * np.pi)), 2)
|
|
|
|
def exact_func_3D(X):
|
|
"""
|
|
the exact function (3D) used from baker's article (for testing)
|
|
"""
|
|
x = X[0]
|
|
y = X[1]
|
|
z = X[2]
|
|
return np.power((np.sin(x * np.pi / 2.0) * np.sin(y * np.pi / 2.0) * np.sin(z * np.pi / 2.0)), 2)
|
|
|
|
def improved_answer(answer, exact, verbose=False):
|
|
if not answer['error']:
|
|
return True
|
|
smblog.debug('error: %s' % answer['error'])
|
|
smblog.debug('qlin: %s' % answer['qlin'])
|
|
smblog.debug('final: %s' % answer['final'])
|
|
smblog.debug('exact: %s' % exact)
|
|
|
|
if np.abs(answer['final'] - exact) <= np.abs(answer['qlin'] - exact):
|
|
smblog.debug(":) improved result")
|
|
return True
|
|
else:
|
|
smblog.debug(":( damaged result")
|
|
return False
|