39 lines
814 B
C
39 lines
814 B
C
/*
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* (c) copyright 1990 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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* Author: Hans van Eck
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*/
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/* $Header$ */
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#include <assert.h>
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#include <math.h>
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double
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__infinity(void)
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{
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#if (CHIP == INTEL)
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static unsigned char ieee_infinity[] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f };
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assert(sizeof(double) == sizeof(ieee_infinity));
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return *(double *) ieee_infinity;
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#else
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return 1.0e+1000; /* This will generate a warning */
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#endif
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}
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double
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__qnan(void)
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{
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#if (CHIP == INTEL)
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static unsigned char ieee_qnan[] = {
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f };
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assert(sizeof(double) == sizeof(ieee_qnan));
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return *(double *) ieee_qnan;
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#else
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#error QNaN not defined on this architecture
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#endif
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}
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