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cb815c34a1
This was used to indicate that the value was allowed to live in a register. Compilers are much better now and can handle this themselves. This helps get rid of more platform-specific ifdef-ery.
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* $Id: ubf3.c,v 1.3 1999/05/31 23:35:45 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
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/* ubf3.c
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*/
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/************************************************************************/
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/* */
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/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
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/* Manufactured in the United States of America. */
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/* */
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/************************************************************************/
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#include "version.h"
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#include <stdio.h>
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#include "lispemul.h"
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#include "lspglob.h"
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#include "adr68k.h"
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#include "lispmap.h"
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#include "medleyfp.h"
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#include "ubf3defs.h"
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/************************************************************
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N_OP_ubfloat3 -- op 062
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062/0 POLY
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***********************************************************/
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LispPTR N_OP_ubfloat3(int arg3, LispPTR arg2, LispPTR arg1, int alpha) {
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float val;
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float ans;
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float *fptr;
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int degree;
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int ret;
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float flot;
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val = *(float *)&arg3; /* why? */
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if (alpha) ERROR_EXIT(arg1);
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FPCLEAR;
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if ((arg1 & SEGMASK) != S_POSITIVE) ERROR_EXIT(arg1);
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degree = 0xFFFF & arg1;
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fptr = (float *)Addr68k_from_LADDR(arg2);
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ans = *((float *)fptr);
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while (degree--) ans = (ans * val) + *((float *)(++fptr));
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if (FPTEST(ans)) ERROR_EXIT(arg1); /* relies on contagion of inf, nan? */
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flot = ans;
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ret = *(int *)&flot; /* why? */
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return (ret);
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} /* end N_OP_ubfloat3() */
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/* end module */
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