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Maiko sources matching state as of 020102 prior to initial patching for Mac OSX

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Nick Briggs
2015-04-20 18:53:52 -07:00
commit de170a64d9
427 changed files with 129342 additions and 0 deletions
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src/fp.c Executable file
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/* $Id: fp.c,v 1.3 1999/05/31 23:35:29 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
static char *id = "$Id: fp.c,v 1.3 1999/05/31 23:35:29 sybalsky Exp $ Copyright (C) Venue";
/************************************************************************/
/* */
/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/* The contents of this file are proprietary information */
/* belonging to Venue, and are provided to you under license. */
/* They may not be further distributed or disclosed to third */
/* parties without the specific permission of Venue. */
/* */
/************************************************************************/
#include "version.h"
/************************************************************************/
/* */
/* F P . C */
/* */
/* Floating-point arithmetic code. */
/* */
/************************************************************************/
#include <stdio.h>
#include "lispemul.h"
#include "lspglob.h"
#include "adr68k.h"
#include "lispmap.h"
#include "lsptypes.h"
#include "emlglob.h"
#include "my.h"
#include "medleyfp.h"
/************************************************************
N_OP_fplus2 -- op 350
N_OP_fdifference -- op 351
N_OP_ftimes2 -- op 352
N_OP_fquotient -- op 353
N_OP_fgreaterp -- op 362
***********************************************************/
DLword *createcell68k(unsigned int type);
/************************************************************************/
/* */
/* N _ O P _ f p l u s 2 */
/* */
/* 2-argument floating point addition opcode */
/* */
/************************************************************************/
N_OP_fplus2(LispPTR parg1, LispPTR parg2)
{
REGISTER float arg1;
REGISTER float arg2;
REGISTER float result;
register DLword *wordp;
N_MakeFloat(parg1, arg1, parg2);
N_MakeFloat(parg2, arg2, parg2);
FPCLEAR;
#ifdef I386
I386Round;
#endif
result = arg1 + arg2;
if (FPTEST(result)) ERROR_EXIT(parg2);
wordp = createcell68k(TYPE_FLOATP);
*((float *)wordp) = result;
return(LADDR_from_68k(wordp));
} /* end N_OP_fplus2() */
/************************************************************************/
/* */
/* N _ O P _ f d i f f e r e n c e */
/* */
/* 2-arugment floating-point subtraction. */
/* */
/************************************************************************/
N_OP_fdifference(LispPTR parg1, LispPTR parg2)
{
REGISTER float arg1, arg2;
REGISTER float result;
register DLword *wordp;
N_MakeFloat(parg1, arg1, parg2);
N_MakeFloat(parg2, arg2, parg2);
FPCLEAR;
#ifdef I386
I386Round;
#endif
result = arg1 - arg2;
if (FPTEST(result)) ERROR_EXIT(parg2);
wordp = createcell68k(TYPE_FLOATP);
*((float *)wordp) = result;
return(LADDR_from_68k(wordp));
} /* end N_OP_fdifference() */
/************************************************************************/
/* */
/* N _ O P _ f t i m e s 2 */
/* */
/* Floating-point multiplication */
/* */
/************************************************************************/
N_OP_ftimes2(LispPTR parg1, LispPTR parg2)
{
REGISTER float arg1, arg2;
REGISTER float result;
register DLword *wordp;
N_MakeFloat(parg1, arg1, parg2);
N_MakeFloat(parg2, arg2, parg2);
FPCLEAR;
#ifdef I386
I386Round;
#endif
result = arg1 * arg2;
if (FPTEST(result)) ERROR_EXIT(parg2);
wordp = createcell68k(TYPE_FLOATP);
*((float *)wordp) = result;
return(LADDR_from_68k(wordp));
} /* end N_OP_ftimes2() */
/************************************************************************/
/* */
/* N _ O P _ f q u o t i e n t */
/* */
/* floating-point division */
/* */
/************************************************************************/
N_OP_fquotient(LispPTR parg1, LispPTR parg2)
{
REGISTER float arg1, arg2;
REGISTER float result;
register DLword *wordp;
N_MakeFloat(parg1, arg1, parg2);
N_MakeFloat(parg2, arg2, parg2);
FPCLEAR;
#ifdef I386
I386Round;
#endif
result = arg1 / arg2;
if (FPTEST(result)) ERROR_EXIT(parg2);
wordp = createcell68k(TYPE_FLOATP);
*((float *)wordp) = result;
return(LADDR_from_68k(wordp));
} /* end N_OP_fquotient() */
/************************************************************************/
/* */
/* N _ O P _ f g r e a t e r p */
/* */
/* Floating-point > */
/* */
/************************************************************************/
N_OP_fgreaterp(LispPTR parg1, LispPTR parg2)
{
REGISTER float arg1, arg2;
register DLword *wordp;
register LispPTR lptr;
N_MakeFloat(parg1, arg1, parg2);
N_MakeFloat(parg2, arg2, parg2);
if (arg1 > arg2) return(ATOM_T);
else return(NIL_PTR);
} /* end N_OP_fgreaterp() */