JezK
Edit File: precision.py
""" Lifted from Precision.py. This is for compatibility only. The character strings are still for "new" NumPy which is the only Incompatibility with Numeric """ from __future__ import division, absolute_import, print_function __all__ = ['Character', 'Complex', 'Float', 'PrecisionError', 'PyObject', 'Int', 'UInt', 'UnsignedInt', 'UnsignedInteger', 'string', 'typecodes', 'zeros'] from .functions import zeros import string # for backwards compatibility typecodes = {'Character':'c', 'Integer':'bhil', 'UnsignedInteger':'BHIL', 'Float':'fd', 'Complex':'FD'} def _get_precisions(typecodes): lst = [] for t in typecodes: lst.append( (zeros( (1,), t ).itemsize*8, t) ) return lst def _fill_table(typecodes, table={}): for key, value in typecodes.items(): table[key] = _get_precisions(value) return table _code_table = _fill_table(typecodes) class PrecisionError(Exception): pass def _lookup(table, key, required_bits): lst = table[key] for bits, typecode in lst: if bits >= required_bits: return typecode raise PrecisionError(key + " of " + str(required_bits) + " bits not available on this system") Character = 'c' try: UnsignedInt8 = _lookup(_code_table, "UnsignedInteger", 8) UInt8 = UnsignedInt8 __all__.extend(['UnsignedInt8', 'UInt8']) except(PrecisionError): pass try: UnsignedInt16 = _lookup(_code_table, "UnsignedInteger", 16) UInt16 = UnsignedInt16 __all__.extend(['UnsignedInt16', 'UInt16']) except(PrecisionError): pass try: UnsignedInt32 = _lookup(_code_table, "UnsignedInteger", 32) UInt32 = UnsignedInt32 __all__.extend(['UnsignedInt32', 'UInt32']) except(PrecisionError): pass try: UnsignedInt64 = _lookup(_code_table, "UnsignedInteger", 64) UInt64 = UnsignedInt64 __all__.extend(['UnsignedInt64', 'UInt64']) except(PrecisionError): pass try: UnsignedInt128 = _lookup(_code_table, "UnsignedInteger", 128) UInt128 = UnsignedInt128 __all__.extend(['UnsignedInt128', 'UInt128']) except(PrecisionError): pass UInt = UnsignedInt = UnsignedInteger = 'u' try: Int0 = _lookup(_code_table, 'Integer', 0) __all__.append('Int0') except(PrecisionError): pass try: Int8 = _lookup(_code_table, 'Integer', 8) __all__.append('Int8') except(PrecisionError): pass try: Int16 = _lookup(_code_table, 'Integer', 16) __all__.append('Int16') except(PrecisionError): pass try: Int32 = _lookup(_code_table, 'Integer', 32) __all__.append('Int32') except(PrecisionError): pass try: Int64 = _lookup(_code_table, 'Integer', 64) __all__.append('Int64') except(PrecisionError): pass try: Int128 = _lookup(_code_table, 'Integer', 128) __all__.append('Int128') except(PrecisionError): pass Int = 'l' try: Float0 = _lookup(_code_table, 'Float', 0) __all__.append('Float0') except(PrecisionError): pass try: Float8 = _lookup(_code_table, 'Float', 8) __all__.append('Float8') except(PrecisionError): pass try: Float16 = _lookup(_code_table, 'Float', 16) __all__.append('Float16') except(PrecisionError): pass try: Float32 = _lookup(_code_table, 'Float', 32) __all__.append('Float32') except(PrecisionError): pass try: Float64 = _lookup(_code_table, 'Float', 64) __all__.append('Float64') except(PrecisionError): pass try: Float128 = _lookup(_code_table, 'Float', 128) __all__.append('Float128') except(PrecisionError): pass Float = 'd' try: Complex0 = _lookup(_code_table, 'Complex', 0) __all__.append('Complex0') except(PrecisionError): pass try: Complex8 = _lookup(_code_table, 'Complex', 16) __all__.append('Complex8') except(PrecisionError): pass try: Complex16 = _lookup(_code_table, 'Complex', 32) __all__.append('Complex16') except(PrecisionError): pass try: Complex32 = _lookup(_code_table, 'Complex', 64) __all__.append('Complex32') except(PrecisionError): pass try: Complex64 = _lookup(_code_table, 'Complex', 128) __all__.append('Complex64') except(PrecisionError): pass try: Complex128 = _lookup(_code_table, 'Complex', 256) __all__.append('Complex128') except(PrecisionError): pass Complex = 'D' PyObject = 'O'