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41 lines
739 B
C
41 lines
739 B
C
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/* @(#)z_isposf.c 1.0 98/08/13 */
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/******************************************************************
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* Positive value test
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*
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* Input:
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* x - floating point value
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*
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* Output:
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* An integer that indicates if the number is positive.
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*
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* Description:
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* This routine returns an integer that indicates if the number
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* passed in is positive (1) or negative (0).
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*
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*****************************************************************/
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#include "fdlibm.h"
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#include "zmath.h"
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int isposf (float x)
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{
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__int32_t wx;
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GET_FLOAT_WORD (wx, x);
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if (wx & 0x80000000)
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return (0);
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else
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return (1);
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}
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#ifdef _DOUBLE_IS_32BITS
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int ispos (double x)
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{
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return isposf ((float) x);
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}
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#endif /* defined(_DOUBLE_IS_32BITS) */
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