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import os
import numpy
__all__ = ['MathDomainError', 'UnderflowError', 'NumOverflowError',
'handleError', 'get_numarray_include_dirs']
class MathDomainError(ArithmeticError): pass
class UnderflowError(ArithmeticError): pass
class NumOverflowError(OverflowError, ArithmeticError): pass
def handleError(errorStatus, sourcemsg):
"""Take error status and use error mode to handle it."""
modes = numpy.geterr()
if errorStatus & numpy.FPE_INVALID:
if modes['invalid'] == "warn":
print "Warning: Encountered invalid numeric result(s)", sourcemsg
if modes['invalid'] == "raise":
raise MathDomainError(sourcemsg)
if errorStatus & numpy.FPE_DIVIDEBYZERO:
if modes['dividebyzero'] == "warn":
print "Warning: Encountered divide by zero(s)", sourcemsg
if modes['dividebyzero'] == "raise":
raise ZeroDivisionError(sourcemsg)
if errorStatus & numpy.FPE_OVERFLOW:
if modes['overflow'] == "warn":
print "Warning: Encountered overflow(s)", sourcemsg
if modes['overflow'] == "raise":
raise NumOverflowError(sourcemsg)
if errorStatus & numpy.FPE_UNDERFLOW:
if modes['underflow'] == "warn":
print "Warning: Encountered underflow(s)", sourcemsg
if modes['underflow'] == "raise":
raise UnderflowError(sourcemsg)
def get_numarray_include_dirs():
base = os.path.dirname(numpy.__file__)
newdirs = [os.path.join(base, 'numarray')]
return newdirs
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