1# Python bindings for Yasm: Pyrex input file for floatnum.h 2# 3# Copyright (C) 2006 Michael Urman, Peter Johnson 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' 15# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE 18# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24# POSSIBILITY OF SUCH DAMAGE. 25 26cdef class FloatNum: 27 cdef yasm_floatnum *flt 28 def __cinit__(self, value): 29 self.flt = NULL 30 if isinstance(value, FloatNum): 31 self.flt = yasm_floatnum_copy((<FloatNum>value).flt) 32 return 33 if PyCObject_Check(value): # should check Desc 34 self.flt = <yasm_floatnum *>PyCObject_AsVoidPtr(value) 35 return 36 37 if isinstance(value, float): string = str(float) 38 else: string = value 39 self.flt = yasm_floatnum_create(string) 40 41 def __dealloc__(self): 42 if self.flt != NULL: yasm_floatnum_destroy(self.flt) 43 44 def __neg__(self): 45 result = FloatNum(self) 46 yasm_floatnum_calc((<FloatNum>result).flt, YASM_EXPR_NEG, NULL) 47 return result 48 def __pos__(self): return self 49 50