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45 lines
744 B
45 lines
744 B
/***
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*frnd.c -
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*
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* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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*
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*
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*Revision History:
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*
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* 10-20-91 GDP written
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* 09-05-94 SKS Change #ifdef i386 to #ifdef _M_IX86
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*/
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/***
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*double _frnd(double x) - round to integer
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*
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*Purpose:
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* Round to integer according to the current rounding mode.
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* NaN's or infinities are NOT handled
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*
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*Entry:
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*
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*Exit:
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*
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*Exceptions:
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*******************************************************************************/
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double _frnd(double x)
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{
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double result;
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#if defined _M_IX86 || defined _X86SEG_
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_asm {
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fld x
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frndint
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fstp result
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}
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#else
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#error Only 386 platform supported
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#endif
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return result;
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}
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