35 lines
817 B
C
35 lines
817 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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CONVERT FLOAT TO DOUBLE
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This routine works quite simply. A floating point
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of size 04 is converted to extended format.
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This extended variable is converted back to
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a floating point of size 08.
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*/
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#include "FP_types.h"
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cff8(src)
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_float src; /* the space on the stack is for a double - see cg/table */
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{
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EXTEND buf;
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extend((_double *) &src,&buf,4); /* no matter what */
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#ifdef PRT_EXT
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prt_ext("CFF8() entry:",&buf);
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fprintf(stderr,"ds(%d),ss(%d),src(%08X)\n",4,8,src);
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#endif
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compact(&buf,&src,8);
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#ifdef DEBUG
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fprintf(stderr,"CFF8() exit : %08X",src.__double[0]);
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fprintf(stderr,"%08X\n",src.__double[1]);
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#endif DEBUG
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}
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