29 lines
537 B
C
29 lines
537 B
C
/*
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(c) copyright 1988 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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/* $Header$ */
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/*
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NEGATE A FLOATING POINT (NGF 4)
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*/
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/********************************************************/
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#include "FP_types.h"
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#include "get_put.h"
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#define OFF ((FL_MSW_AT_LOW_ADDRESS ? 0 : 2) + (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
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_float
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ngf4(f)
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_float f;
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{
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unsigned char *p;
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if (f != (_float) 0) {
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p = (unsigned char *) &f + OFF;
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*p ^= 0x80;
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}
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return f;
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}
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