File: [local] / OpenXM / src / ox_pari / ox_pari.c (download)
Revision 1.24, Mon Mar 28 09:21:56 2022 UTC (2 years, 6 months ago) by ohara
Branch: MAIN
CVS Tags: HEAD Changes since 1.23: +16 -9
lines
Output log to /tmp/oxpari.log if a macro USE_OXPARI_LOG is defined.
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/* $OpenXM: OpenXM/src/ox_pari/ox_pari.c,v 1.24 2022/03/28 09:21:56 ohara Exp $ */
#include <signal.h>
#include "ox_pari.h"
OXFILE *fd_rw;
static int stack_size = 0;
static int stack_pointer = 0;
static cmo **stack = NULL;
extern int debug_print;
extern unsigned long precreal;
long paristack=10000000;
#define INIT_S_SIZE 2048
#define EXT_S_SIZE 2048
void *gc_realloc(void *p,size_t osize,size_t nsize)
{
return (void *)GC_realloc(p,nsize);
}
void gc_free(void *p,size_t size)
{
GC_free(p);
}
void init_gc()
{
GC_INIT();
}
void init_pari()
{
pari_init(paristack,2);
mp_set_memory_functions(GC_malloc,gc_realloc,gc_free);
gmp_check();
}
int initialize_stack()
{
stack_pointer = 0;
stack_size = INIT_S_SIZE;
stack = MALLOC(stack_size*sizeof(cmo*));
return 0;
}
static int extend_stack()
{
int size2 = stack_size + EXT_S_SIZE;
cmo **stack2 = MALLOC(size2*sizeof(cmo*));
memcpy(stack2, stack, stack_size*sizeof(cmo *));
free(stack);
stack = stack2;
stack_size = size2;
return 0;
}
int push(cmo* m)
{
stack[stack_pointer] = m;
stack_pointer++;
if(stack_pointer >= stack_size) {
extend_stack();
}
return 0;
}
cmo* pop()
{
if(stack_pointer > 0) {
stack_pointer--;
return stack[stack_pointer];
}
return new_cmo_null();
}
void pops(int n)
{
stack_pointer -= n;
if(stack_pointer < 0) {
stack_pointer = 0;
}
}
#define OX_PARI_VERSION 20150731
#define ID_STRING "2015/07/31 15:00:00"
int sm_mathcap()
{
#if 0
char *opts[] = {"no_ox_reset", NULL};
mathcap_init2(OX_PARI_VERSION, ID_STRING, "ox_pari", NULL, NULL, opts);
#else
mathcap_init2(OX_PARI_VERSION, ID_STRING, "ox_pari", NULL, NULL, NULL);
#endif
push((cmo*)oxf_cmo_mathcap(fd_rw));
return 0;
}
int sm_popCMO()
{
cmo* m = pop();
if(m != NULL) {
send_ox_cmo(fd_rw, m);
return 0;
}
return SM_popCMO;
}
cmo_error2 *make_error2(char *message)
{
return new_cmo_error2((cmo *)new_cmo_string(message));
}
int get_i()
{
cmo *c = pop();
if(c->tag == CMO_INT32) {
return ((cmo_int32 *)c)->i;
}else if(c->tag == CMO_ZZ) {
return mpz_get_si(((cmo_zz *)c)->mpz);
}
make_error2("get_i : invalid object");
return 0;
}
char *get_str()
{
cmo *c = pop();
if(c->tag == CMO_STRING) {
return ((cmo_string *)c)->s;
}
make_error2("get_str : invalid object");
return "";
}
int ismatrix(GEN z)
{
int len,col,i;
if ( typ(z) != t_VEC ) return 0;
if ( typ((GEN)z[1]) != t_VEC ) return 0;
len = lg(z); col = lg((GEN)z[1]);
for ( i = 2; i < len; i++ )
if ( lg((GEN)z[i]) != col ) return 0;
return 1;
}
int sm_executeFunction()
{
pari_sp av0;
int ac,i;
cmo_int32 *c;
cmo *av[PARI_MAX_AC];
cmo *ret;
GEN z,m;
struct parif *parif;
unsigned long prec;
char buf[BUFSIZ];
cmo_string *func = (cmo_string *)pop();
if(func->tag != CMO_STRING) {
sprintf(buf,"sm_executeFunction : func->tag=%d is not CMO_STRING",func->tag);
push((cmo*)make_error2(buf));
return -1;
}
c = (cmo_int32 *)pop();
ac = c->i;
if ( ac > PARI_MAX_AC ) {
push((cmo*)make_error2("sm_executeFunction : too many arguments"));
return -1;
}
for ( i = 0; i < ac; i++ ) {
av[i] = (cmo *)pop();
}
if( strcmp( func->s, "exit" ) == 0 )
exit(0);
if ( !strcmp(func->s,"allocatemem") ) {
paristack = cmo_to_int(av[0]);
pari_close();
init_pari();
return 0;
}
if ( !strcmp(func->s,"pari_setprec") ) {
long n,prec;
n = cmo_to_int(av[0]);
setrealprecision(n,&prec);
return 0;
}
parif =search_parif(func->s);
if ( !parif ) {
sprintf(buf,"%s : not implemented",func->s);
push((cmo*)make_error2(buf));
return -1;
} else if ( parif->type <= 2 ) {
/* type=1 => one GEN argument possibly with prec */
/* type=2 => one GEN argument with optarg */
/* type=3 => one GEN, return ulong */
av0 = avma;
z = cmo_to_GEN(av[0]);
prec = ac==2 ? ndec2prec(cmo_to_int(av[1])) : nbits2prec(precreal);
if ( ismatrix(z) ) {
int i,len;
len = lg(z);
for ( i = 1; i < len; i++ )
settyp(z[i],t_COL);
settyp(z,t_MAT);
z = shallowtrans(z);
}
pari_CATCH(CATCH_ALL) {
GEN E = pari_err_last();
long code = err_get_num(E);
char *err = pari_err2str(E);
if ( code == e_MEM || code == e_STACK ) {
sprintf(buf,"%s\nIncrease PARI stack by pari(allocatemem,size).",err);
} else
sprintf(buf,"An error occured in PARI :%s",err);
push((cmo*)make_error2(buf));
pari_CATCH_reset();
avma = av0;
return -1;
}
pari_TRY {
ret = 0;
if ( parif->type == 0 ) {
gp_allocatemem(z);
ret = av[0];
/* allocatemem */
} else if ( parif->type == 1 ) {
m = (*parif->f)(z,prec);
ret = GEN_to_cmo(m);
} else if ( parif->type == 2 ) {
m = (*parif->f)(z,parif->opt);
ret = GEN_to_cmo(m);
} else if ( parif->type == 3 ) {
/* XXX */
unsigned long a;
a = (unsigned long)(*parif->f)(z);
ret = (cmo *)new_cmo_int32((int)a);
}
avma = av0;
push(ret);
return 0;
}
pari_ENDCATCH
} else {
sprintf(buf,"%s : not implemented",func->s);
push((cmo*)make_error2(buf));
return -1;
}
}
int receive_and_execute_sm_command()
{
int code = receive_int32(fd_rw);
switch(code) {
case SM_popCMO:
sm_popCMO();
break;
case SM_executeFunction:
sm_executeFunction();
break;
case SM_mathcap:
sm_mathcap();
break;
case SM_setMathCap:
pop();
break;
case SM_shutdown:
exit(0);
break;
default:
ox_printf("receive_and_execute_sm_command : code=%d\n",code);
break;
}
return 0;
}
int receive()
{
int tag;
tag = receive_ox_tag(fd_rw);
switch(tag) {
case OX_DATA:
ox_printf("receive : ox_data %d\n",tag);
push(receive_cmo(fd_rw));
break;
case OX_COMMAND:
ox_printf("receive : ox_command %d\n",tag);
receive_and_execute_sm_command();
break;
default:
ox_printf("receive : tag=%d\n",tag);
}
return 0;
}
#if defined(ANDROID)
jmp_buf ox_env;
#else
sigjmp_buf ox_env;
#endif
void usr1_handler(int sig)
{
#if defined(ANDROID)
_longjmp(ox_env,1);
#else
siglongjmp(ox_env,1);
#endif
}
#if defined(USE_OXPARI_LOG)
#define LOGFILE "/tmp/oxpari.log"
#endif
int main()
{
#if defined(ANDROID)
if ( _setjmp(ox_env) ) {
#else
if ( sigsetjmp(ox_env,~0) ) {
#endif
ox_printf("resetting libpari and sending OX_SYNC_BALL...");
init_pari();
initialize_stack();
send_ox_tag(fd_rw,OX_SYNC_BALL);
ox_printf("done\n");
} else {
init_gc();
#if defined(LOGFILE)
ox_stderr_init(fopen(LOGFILE,"a"));
#endif
init_pari();
initialize_stack();
ox_printf("ox_pari\n");
fd_rw = oxf_open(3);
oxf_determine_byteorder_server(fd_rw);
}
#if defined(__CYGWIN__)
void *mysignal(int sig,void (*handler)(int m));
mysignal(SIGUSR1,usr1_handler);
#else
signal(SIGUSR1,usr1_handler);
#endif
while(1){
receive();
}
}