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- /*
- (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
- See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* $Id$ */
- /*
- SUBTRACT TWO FLOATS - DOUBLE Precision (SBF 8)
- */
- #include "FP_types.h"
- void
- sbf8(s2,s1)
- DOUBLE s1,s2;
- {
- EXTEND e1, e2;
- if (s2.d[0] == 0 && s2.d[1] == 0) {
- return;
- }
- extend(&s1.d[0],&e1,sizeof(DOUBLE));
- extend(&s2.d[0],&e2,sizeof(DOUBLE));
- sub_ext(&e1,&e2);
- compact(&e1,&s1.d[0],sizeof(DOUBLE));
- }
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