30 lines
548 B
C
30 lines
548 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 8)
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*/
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/********************************************************/
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/*
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Assumes exponent is located in bytes 0 & 1
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*/
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/********************************************************/
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#include "FP_types.h"
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ngf8(f)
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_double f;
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{
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unsigned char *p;
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if (f.__double[0] != 0 || f.__double[1] != 0) {
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p = (unsigned char *) &f;
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*p ^= 0x80;
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}
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}
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