diff options
Diffstat (limited to 'numpy/numarray/util.py')
-rw-r--r-- | numpy/numarray/util.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/numpy/numarray/util.py b/numpy/numarray/util.py new file mode 100644 index 000000000..2a7efb60d --- /dev/null +++ b/numpy/numarray/util.py @@ -0,0 +1,40 @@ +from numpy import geterr + +__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 = geterr() + if errorStatus & FPE_INVALID: + if modes['invalid'] == "warn": + print "Warning: Encountered invalid numeric result(s)", sourcemsg + if modes['invalid'] == "raise": + raise MathDomainError(sourcemsg) + if errorStatus & FPE_DIVIDEBYZERO: + if modes['dividebyzero'] == "warn": + print "Warning: Encountered divide by zero(s)", sourcemsg + if modes['dividebyzero'] == "raise": + raise ZeroDivisionError(sourcemsg) + if errorStatus & FPE_OVERFLOW: + if modes['overflow'] == "warn": + print "Warning: Encountered overflow(s)", sourcemsg + if modes['overflow'] == "raise": + raise NumOverflowError(sourcemsg) + if errorStatus & FPE_UNDERFLOW: + if modes['underflow'] == "warn": + print "Warning: Encountered underflow(s)", sourcemsg + if modes['underflow'] == "raise": + raise UnderflowError(sourcemsg) + + +import os +import numpy +def get_numarray_include_dirs(): + base = os.path.dirname(numpy.__file__) + newdirs = [os.path.join(base, 'numarray')] + return newdirs |