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33 lines
501 B
C
33 lines
501 B
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/crt/??????
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* PURPOSE: Unknown
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* PROGRAMER: Unknown
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* UPDATE HISTORY:
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* 25/11/05: Added license header
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*/
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#include <precomp.h>
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#include <internal/ieee.h>
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/*
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* @implemented
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*/
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double _chgsign( double __x )
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{
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union
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{
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double* __x;
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double_t *x;
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} u;
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u.__x = &__x;
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if ( u.x->sign == 1 )
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u.x->sign = 0;
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else
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u.x->sign = 1;
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return __x;
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}
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