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