38 lines
666 B
C
38 lines
666 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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SEPERATE DOUBLE INTO EXPONENT AND FRACTION (FEF 8)
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*/
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#include "FP_types.h"
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struct fef8_returns {
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int e;
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_double f;
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};
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fef8(r, s1)
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_double s1;
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struct fef8_returns *r;
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{
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EXTEND buf;
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register struct fef8_returns *p = r; /* make copy, r might refer
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to itself (see table)
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*/
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extend(&s1,&buf,sizeof(_double));
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if (buf.exp == 0 && buf.m1 == 0 && buf.m2 == 0) {
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p->e = 0;
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}
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else {
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p->e = buf.exp + 1;
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buf.exp = -1;
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}
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compact(&buf,&p->f,sizeof(_double));
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}
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