===================================================================
RCS file: /home/cvs/OpenXM/src/ox_pari/ox_pari.c,v
retrieving revision 1.6
retrieving revision 1.23
diff -u -p -r1.6 -r1.23
--- OpenXM/src/ox_pari/ox_pari.c	2015/08/18 02:24:04	1.6
+++ OpenXM/src/ox_pari/ox_pari.c	2021/03/25 07:03:21	1.23
@@ -1,44 +1,17 @@
-/*  $OpenXM: OpenXM/src/ox_pari/ox_pari.c,v 1.5 2015/08/17 07:19:16 noro Exp $  */
+/*  $OpenXM: OpenXM/src/ox_pari/ox_pari.c,v 1.22 2020/11/10 04:48:49 noro Exp $  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "pari/pari.h"
-#include "pari/paripriv.h"
-#include "gmp.h"
-#include "gmp-impl.h"
-#include "mpfr.h"
-#include "ox_toolkit.h"
+#include <signal.h>
+#include "ox_pari.h"
+
 OXFILE *fd_rw;
 
-#define MPFR_PREC(x)      ((x)->_mpfr_prec)
-#define MPFR_EXP(x)       ((x)->_mpfr_exp)
-#define MPFR_MANT(x)      ((x)->_mpfr_d)
-#define MPFR_LAST_LIMB(x) ((MPFR_PREC (x) - 1) / GMP_NUMB_BITS)
-#define MPFR_LIMB_SIZE(x) (MPFR_LAST_LIMB (x) + 1)
-
 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;
 
-void init_pari(void);
-cmo *GEN_to_cmo(GEN z);
-cmo_zz *GEN_to_cmo_zz(GEN z);
-cmo_bf *GEN_to_cmo_bf(GEN z);
-cmo_list *GEN_to_cmo_list(GEN z);
-cmo_complex *GEN_to_cmo_cmo_complex(GEN z);
-GEN cmo_to_GEN(cmo *c);
-GEN cmo_int32_to_GEN(cmo_int32 *c);
-GEN cmo_zz_to_GEN(cmo_zz *c);
-GEN cmo_qq_to_GEN(cmo_qq *c);
-GEN cmo_bf_to_GEN(cmo_bf *c);
-GEN cmo_list_to_GEN(cmo_list *c);
-GEN cmo_rp_to_GEN(cmo_recursive_polynomial *c);
-GEN cmo_up_to_GEN(cmo_polynomial_in_one_variable *c);
-GEN cmo_complex_to_GEN(cmo_complex *c);
-
 #define INIT_S_SIZE 2048
 #define EXT_S_SIZE  2048
 
@@ -55,12 +28,13 @@ void gc_free(void *p,size_t size)
 void init_gc()
 {
   GC_INIT();
-  mp_set_memory_functions(GC_malloc,gc_realloc,gc_free);
 }
 
 void init_pari()
 {
   pari_init(paristack,2);
+  mp_set_memory_functions(GC_malloc,gc_realloc,gc_free);
+  gmp_check();
 }
 
 int initialize_stack()
@@ -114,7 +88,12 @@ void pops(int n)
 
 int sm_mathcap()
 {
-  mathcap_init(OX_PARI_VERSION, ID_STRING, "ox_pari", NULL, NULL);
+#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;
 }
@@ -130,9 +109,9 @@ int sm_popCMO()
   return SM_popCMO;
 }
 
-cmo_error2 *make_error2(int code)
+cmo_error2 *make_error2(char *message)
 {
-  return (cmo_error2 *) new_cmo_int32(code);
+  return new_cmo_error2((cmo *)new_cmo_string(message));
 }
 
 int get_i()
@@ -143,7 +122,7 @@ int get_i()
   }else if(c->tag == CMO_ZZ) {
     return mpz_get_si(((cmo_zz *)c)->mpz);
   }
-  make_error2(-1);
+  make_error2("get_i : invalid object");
   return 0;
 }
 
@@ -153,353 +132,22 @@ char *get_str()
   if(c->tag == CMO_STRING) {
     return ((cmo_string *)c)->s;
   }
-  make_error2(-1);
+  make_error2("get_str : invalid object");
   return "";
 }
 
-int cmo2int(cmo *c)
+int ismatrix(GEN z)
 {
-  if(c->tag == CMO_INT32) {
-    return ((cmo_int32 *)c)->i;
-  }else if(c->tag == CMO_ZZ) {
-    return mpz_get_si(((cmo_zz *)c)->mpz);
-  } else if(c->tag == CMO_NULL){
-    return 0;
-  }
+  int len,col,i;
 
-  return 0;
+  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;
 }
 
-GEN cmo_int32_to_GEN(cmo_int32 *c)
-{
-  GEN z;
-  int i,sgn;
-
-  i = c->i;
-  if ( !i ) return gen_0;
-  z = cgeti(3);
-  sgn = 1;
-  if ( i < 0 ) {
-    i = -i;
-    sgn = -1;
-  }
-  z[2] = i;
-  setsigne(z,sgn);
-  setlgefint(z,lg(z));
-  return z;
-}
-
-GEN cmo_zz_to_GEN(cmo_zz *c)
-{
-  mpz_ptr mpz;
-  GEN z;
-  long *ptr;
-  int j,sgn,len;
-
-  mpz = c->mpz;
-  sgn = mpz_sgn(mpz);
-  len = ABSIZ(mpz);
-  ptr = (long *)PTR(mpz);
-  z = cgeti(len+2);
-  for ( j = 0; j < len; j++ )
-    z[len-j+1] = ptr[j];
-  setsigne(z,sgn);
-  setlgefint(z,lg(z));
-  return z;
-}
-
-GEN cmo_qq_to_GEN(cmo_qq *c)
-{
-  GEN z,nm,den;
-  
-  z = cgetg(3,4);
-  nm = cmo_zz_to_GEN(new_cmo_zz_set_mpz(mpq_numref(c->mpq)));
-  den = cmo_zz_to_GEN(new_cmo_zz_set_mpz(mpq_denref(c->mpq)));
-  z[1] = (long)nm;
-  z[2] = (long)den;
-  return z;
-}
-
-GEN cmo_bf_to_GEN(cmo_bf *c)
-{
-  mpfr_ptr mpfr;
-  GEN z;
-  int sgn,len,j;
-  long exp;
-  long *ptr;
-
-  mpfr = c->mpfr;
-  sgn = MPFR_SIGN(mpfr);
-  exp = MPFR_EXP(mpfr)-1;
-  len = MPFR_LIMB_SIZE(mpfr);
-  ptr = (long *)MPFR_MANT(mpfr);
-  z = cgetr(len+2);
-  for ( j = 0; j < len; j++ )
-    z[len-j+1] = ptr[j];
-  z[1] = evalsigne(sgn)|evalexpo(exp);
-  setsigne(z,sgn);
-  return z;
-}
-
-/* list->vector */
-
-GEN cmo_list_to_GEN(cmo_list *c)
-{
-  GEN z;
-  cell *cell;
-
-  z = cgetg(c->length+1,17);
-  for ( cell = c->head->next; cell != c->head; cell = cell->next ) {
-    z[cell->exp] = (long)cmo_to_GEN(cell->cmo);
-  }
-  return z;
-}
-
-GEN cmo_complex_to_GEN(cmo_complex *c)
-{
-  GEN z;
-
-  z = cgetg(3,6);
-  z[1] = (long)cmo_to_GEN(c->re);
-  z[2] = (long)cmo_to_GEN(c->im);
-  return z;
-}
-
-GEN cmo_up_to_GEN(cmo_polynomial_in_one_variable *c)
-{
-  GEN z;
-  int d,i;
-  cell *cell;
-
-  d = c->head->next->exp;
-  z = cgetg(d+3,10);
-  setsigne(z,1);
-  setvarn(z,c->var);
-  setlgef(z,d+3);
-  for ( i = 2; i <= d+2; i++ )
-    z[i] = (long)gen_0;
-  for ( cell = c->head->next; cell != c->head; cell = cell->next ) {
-    z[2+cell->exp] = (long)cmo_to_GEN(cell->cmo);
-  }
-  return z;
-}
-
-cmo_list *current_ringdef;
-
-void register_variables(cmo_list *ringdef)
-{
-  current_ringdef = ringdef;
-}
-
-GEN cmo_rp_to_GEN(cmo_recursive_polynomial *c)
-{
-  register_variables(c->ringdef);
-  switch ( c->coef->tag ) {
-  case CMO_ZERO:
-    return gen_0;
-  case CMO_INT32:
-    return cmo_int32_to_GEN((cmo_int32 *)c->coef);
-  case CMO_ZZ:
-    return cmo_zz_to_GEN((cmo_zz *)c->coef);
-  case CMO_QQ:
-    return cmo_qq_to_GEN((cmo_qq *)c->coef);
-  case CMO_POLYNOMIAL_IN_ONE_VARIABLE:
-    return cmo_up_to_GEN((cmo_polynomial_in_one_variable *)c->coef);
-  default:
-    return 0;
-  }
-}
-
-cmo_zz *GEN_to_cmo_zz(GEN z)
-{
-  cmo_zz *c;
-
-  c = new_cmo_zz();
-  mpz_import(c->mpz,lgef(z)-2,1,sizeof(long),0,0,&z[2]);
-  if ( signe(z) < 0 )
-    mpz_neg(c->mpz,c->mpz);
-  return c;
-}
-
-cmo_bf *GEN_to_cmo_bf(GEN z)
-{
-  cmo_bf *c;
-  int len,prec,j;
-  long *ptr;
-
-  c = new_cmo_bf();
-  len = lg(z)-2;
-  prec = len*sizeof(long)*8;
-  mpfr_init2(c->mpfr,prec);
-  ptr = (long *)MPFR_MANT(c->mpfr);
-  for ( j = 0; j < len; j++ )
-    ptr[j] = z[len-j+1];
-  MPFR_EXP(c->mpfr) = (long long)(expo(z)+1);
-  MPFR_SIGN(c->mpfr) = gsigne(z);
-  return c;
-}
-
-
-cmo_list *GEN_to_cmo_list(GEN z)
-{
-  cmo_list *c;
-  cmo *ob;
-  int i,len;
-
-  c = new_cmo_list();
-  len = lg(z)-1;
-  for ( i = 1; i <= len; i++ ) {
-    ob = GEN_to_cmo((GEN)z[i]);
-    c = list_append(c,ob);
-  }
-  return c;
-}
-
-cmo_complex *GEN_to_cmo_complex(GEN z)
-{
-  cmo_complex *c;
-
-  c = new_cmo_complex();
-  c->re = GEN_to_cmo((GEN)z[1]);
-  c->im = GEN_to_cmo((GEN)z[2]);
-  return c;
-}
-
-
-GEN cmo_to_GEN(cmo *c)
-{
-  switch ( c->tag ) {
-  case CMO_ZERO:
-    return gen_0;
-  case CMO_ZZ: /* int */
-    return cmo_zz_to_GEN((cmo_zz *)c);
-  case CMO_BIGFLOAT: /* bigfloat */
-    return cmo_bf_to_GEN((cmo_bf *)c);
-  case CMO_LIST:
-    return cmo_list_to_GEN((cmo_list *)c);
-  case CMO_RECURSIVE_POLYNOMIAL:
-    return cmo_rp_to_GEN((cmo_recursive_polynomial *)c);
-  case CMO_POLYNOMIAL_IN_ONE_VARIABLE:
-    return cmo_up_to_GEN((cmo_polynomial_in_one_variable *)c);
-  default:
-    return 0;
-  }
-}
-
-cmo *GEN_to_cmo(GEN z)
-{
-  if ( gcmp0(z) )
-    return new_cmo_zero();
-  switch ( typ(z) ) {
-  case 1: /* int */
-    return (cmo *)GEN_to_cmo_zz(z);
-  case 2: /* bigfloat */
-    return (cmo *)GEN_to_cmo_bf(z);
-  case 6: /* complex */
-    return (cmo *)GEN_to_cmo_complex(z);
-  case 17: case 18: /* vector */
-    return (cmo *)GEN_to_cmo_list(z);
-  case 19: /* matrix */
-    return (cmo *)GEN_to_cmo_list(shallowtrans(z));
-  default:
-    return (cmo *)make_error2(typ(z));
-  }
-}
-
-struct parif {
-  char *name;
-  GEN (*f)();
-  int type;
-} parif_tab[] = {
-/* (ulong)allocatemoremem(ulong) */
-  {"allocatemem",(GEN (*)())allocatemoremem,0},
-/* num/num */
-  {"abs",gabs,1},
-  {"erfc",gerfc,1},
-  {"arg",garg,1},
-  {"isqrt",racine,1},
-  {"gamma",ggamma,1},
-  {"zeta",gzeta,1},
-  {"floor",gfloor,1},
-  {"frac",gfrac,1},
-  {"imag",gimag,1},
-  {"conj",gconj,1},
-  {"ceil",gceil,1},
-  {"isprime",gisprime,2},
-  {"bigomega",gbigomega,1},
-  {"denom",denom,1},
-  {"numer",numer,1},
-  {"lngamma",glngamma,1},
-  {"logagm",glogagm,1},
-  {"classno",classno,1},
-  {"classno2",classno2,1},
-  {"dilog",dilog,1},
-  {"disc",discsr,1},
-  {"discf",discf,1},
-  {"nextprime",nextprime,1},
-  {"eintg1",eint1,1},
-  {"eta",eta,1},
-  {"issqfree",gissquarefree,1},
-  {"issquare",gcarreparfait,1},
-  {"gamh",ggamd,1},
-  {"hclassno",classno3,1},
-
-  /* num/array */
-  {"binary",binaire,1},
-  {"factorint",factorint,2},
-  {"factor",Z_factor,1},
-  {"cf",gcf,1},
-  {"divisors",divisors,1},
-  {"smallfact",smallfact,1},
-
-  /* mat/mat */
-  {"adj",adj,1},
-  {"lll",lll,1},
-  {"lllgen",lllgen,1},
-  {"lllgram",lllgram,1},
-  {"lllgramgen",lllgramgen,1},
-  {"lllgramint",lllgramint,1},
-  {"lllgramkerim",lllgramkerim,1},
-  {"lllgramkerimgen",lllgramkerimgen,1},
-  {"lllint",lllint,1},
-  {"lllkerim",lllkerim,1},
-  {"lllkerimgen",lllkerimgen,1},
-  {"trans",gtrans,1},
-  {"eigen",eigen,1},
-  {"hermite",hnf,1},
-  {"mat",gtomat,1},
-  {"matrixqz2",matrixqz2,1},
-  {"matrixqz3",matrixqz3,1},
-  {"hess",hess,1},
-
-  /* mat/poly */
-  {"det",det,1},
-  {"det2",det2,1},
-
-  /* poly/poly */
-  {"centerlift",centerlift,1},
-  {"content",content,1},
-
-  /* poly/array */
-  {"galois",galois,1},
-  {"roots",roots,1},
-
-};
-
-#define PARI_MAX_AC 64
-
-struct parif *search_parif(char *name)
-{
-  int tablen,i;
-
-  tablen = sizeof(parif_tab)/sizeof(struct parif);
-  for ( i = 0; i < tablen; i++ ) {
-    if ( !strcmp(parif_tab[i].name,name) )
-      return &parif_tab[i];
-  }
-  return 0;
-}
-
 int sm_executeFunction()
 {
   pari_sp av0;
@@ -509,64 +157,101 @@ int sm_executeFunction()
   cmo *ret;
   GEN z,m;
   struct parif *parif;
-
-  if ( setjmp(GP_DATA->env) ) {
-    printf("sm_executeFunction : an error occured.\n");fflush(stdout);
-    push((cmo*)make_error2(0));
-    return -1;
-  }
+  unsigned long prec;
+  char buf[BUFSIZ];
+  
   cmo_string *func = (cmo_string *)pop();
   if(func->tag != CMO_STRING) {
-    printf("sm_executeFunction : func->tag is not CMO_STRING");fflush(stdout);
-    push((cmo*)make_error2(0));
+    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(0));
+    push((cmo*)make_error2("sm_executeFunction : too many arguments"));
     return -1;
   }
   for ( i = 0; i < ac; i++ ) {
     av[i] = (cmo *)pop();
-    fprintf(stderr,"arg%d:",i);
-    print_cmo(av[i]);
-    fprintf(stderr,"\n");
   }
   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 ) {
-    push((cmo*)make_error2(0));
+    sprintf(buf,"%s : not implemented",func->s);
+    push((cmo*)make_error2(buf));
     return -1;
- } else if ( parif->type == 0 ) {
-    /* one long int variable */ 
-    int a = cmo_to_int(av[0]);
-    a = (int)(parif->f)(a);
-    ret = (cmo *)new_cmo_int32(a);
-    push(ret);
-    return 0;
-  } else if ( parif->type == 1 ) {
-    /* one variable possibly with prec */ 
-    unsigned long prec;
+  } 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]); 
-    if ( ac == 2 ) {
-      prec = cmo_to_int(av[1])*3.32193/32+3;
-    } else
-      prec = precreal;
-    printf("input : ");
-    output(z);
-    m = (*parif->f)(z,prec);
-    ret = GEN_to_cmo(m);
-    avma = av0;
-    push(ret);
-    return 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 {
-    push((cmo*)make_error2(0));
+    sprintf(buf,"%s : not implemented",func->s);
+    push((cmo*)make_error2(buf));
     return -1;
   }
 }
@@ -587,6 +272,9 @@ int receive_and_execute_sm_command()
   case SM_setMathCap:
     pop();
     break;
+  case SM_shutdown:
+    exit(0);
+    break;
   default:
     printf("receive_and_execute_sm_command : code=%d\n",code);fflush(stdout);
     break;
@@ -614,17 +302,51 @@ int receive()
   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
+}
+
 int main()
 {
-  init_gc();
-  ox_stderr_init(stderr);
-  initialize_stack();
-  init_pari();
+#if defined(ANDROID)
+  if ( _setjmp(ox_env) ) {
+#else
+  if ( sigsetjmp(ox_env,~0) ) {
+#endif
+    fprintf(stderr,"resetting libpari and sending OX_SYNC_BALL...");
+    init_pari();
+    initialize_stack();
+    send_ox_tag(fd_rw,OX_SYNC_BALL);
+    fprintf(stderr,"done\n");
+  } else {
+    init_gc();
+    ox_stderr_init(stderr);
+    init_pari();
+    initialize_stack();
+  
+    fprintf(stderr,"ox_pari\n");
 
-  fprintf(stderr,"ox_pari\n");
+    fd_rw = oxf_open(3);
+    oxf_determine_byteorder_server(fd_rw);
+  }
 
-  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();