Paddy wrote: > Question: do the scientific packages supported by Python supply this > data in a regular manner?
For floating point types, at least. In [11]: from numpy import * In [12]: print finfo(float32) Machine parameters for <type 'float32scalar'> --------------------------------------------------------------------- precision= 6 resolution= 1.0000000e-06 machep= -23 eps= 1.1920929e-07 negep = -24 epsneg= 5.9604645e-08 minexp= -126 tiny= 1.1754944e-38 maxexp= 128 max= 3.4028235e+38 nexp = 8 min= -max --------------------------------------------------------------------- In [13]: print finfo(float64) Machine parameters for <type 'float64scalar'> --------------------------------------------------------------------- precision= 15 resolution= 1.0000000000000001e-15 machep= -52 eps= 2.2204460492503131e-16 negep = -53 epsneg= 1.1102230246251565e-16 minexp= -1022 tiny= 2.2250738585072014e-308 maxexp= 1024 max= 1.7976931348623157e+308 nexp = 11 min= -max --------------------------------------------------------------------- -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco -- http://mail.python.org/mailman/listinfo/python-list