50 lines
2.1 KiB
Cython
50 lines
2.1 KiB
Cython
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# Python bindings for Yasm: Pyrex input file for floatnum.h
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#
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# Copyright (C) 2006 Michael Urman, Peter Johnson
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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cdef class FloatNum:
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cdef yasm_floatnum *flt
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def __new__(self, value):
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self.flt = NULL
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if isinstance(value, FloatNum):
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self.flt = yasm_floatnum_copy((<FloatNum>value).flt)
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return
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if PyCObject_Check(value): # should check Desc
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self.flt = <yasm_floatnum *>PyCObject_AsVoidPtr(value)
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return
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if isinstance(value, float): string = str(float)
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else: string = value
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self.flt = yasm_floatnum_create(string)
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def __dealloc__(self):
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if self.flt != NULL: yasm_floatnum_destroy(self.flt)
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def __neg__(self):
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result = FloatNum(self)
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yasm_floatnum_calc((<FloatNum>result).flt, YASM_EXPR_NEG, NULL)
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return result
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def __pos__(self): return self
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