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|
#include <caml/mlvalues.h>
#include <caml/custom.h>
#include <caml/alloc.h>
#include <caml/memory.h>
#include <caml/fail.h>
#include <caml/callback.h>
#include <stdio.h>
#include <string.h>
#include "config.h"
#include "mlgmp.h"
#include "conversions.c"
#define MODULE "Gmp.FR."
#define unimplemented(message) \
raise_unimplemented("Gmp.FR." #message);
/*** Allocation functions */
void _mlgmp_fr_finalize(value r)
{
#ifdef USE_MPFR
mpfr_clear(*mpfr_val(r));
#endif
}
int _mlgmp_fr_custom_compare(value a, value b);
void _mlgmp_fr_serialize(value v,
unsigned long * wsize_32,
unsigned long * wsize_64);
unsigned long _mlgmp_fr_deserialize(void * dst);
struct custom_operations _mlgmp_custom_fr =
{
field(identifier) "Gmp.F.t",
field(finalize) &_mlgmp_fr_finalize,
field(compare) &_mlgmp_fr_custom_compare,
field(hash) custom_hash_default,
#if defined(SERIALIZE) && defined(USE_MPFR)
field(serialize) &_mlgmp_fr_serialize,
field(deserialize) &_mlgmp_fr_deserialize
#else
field(serialize) custom_serialize_default,
field(deserialize) custom_deserialize_default
#endif
};
value _mlgmp_fr_create(value prec, value dummy)
{
#ifdef USE_MPFR
CAMLparam2(prec, dummy);
CAMLreturn(alloc_init_mpfr(prec));
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_from_z(value prec, value mode, value a)
{
#ifdef USE_MPFR
CAMLparam2(prec, a);
CAMLlocal1(r);
r=alloc_init_mpfr(prec);
mpfr_set_z(*mpfr_val(r), *mpz_val(a), Mode_val(mode));
CAMLreturn(r);
#else
unimplemented(from_z);
#endif
}
value _mlgmp_fr_from_q(value prec, value mode, value a)
{
#ifdef USE_MPFR
CAMLparam2(prec, a);
CAMLlocal1(r);
r=alloc_init_mpfr(prec);
mpfr_set_q(*mpfr_val(r), *mpq_val(a), Mode_val(mode));
CAMLreturn(r);
#else
unimplemented(from_q);
#endif
}
value _mlgmp_fr_from_si(value prec, value mode, value a)
{
#ifdef USE_MPFR
CAMLparam2(prec, a);
CAMLlocal1(r);
r=alloc_init_mpfr(prec);
mpfr_set_si(*mpfr_val(r), Int_val(a), Mode_val(mode));
CAMLreturn(r);
#else
unimplemented(from_si);
#endif
}
value _mlgmp_fr_from_float(value prec, value mode, value v)
{
#ifdef USE_MPFR
CAMLparam2(prec, v);
CAMLlocal1(r);
r=alloc_init_mpfr(prec);
mpfr_set_d(*mpfr_val(r), Double_val(v), Mode_val(mode));
CAMLreturn(r);
#else
unimplemented(from_float);
#endif
}
/*** Conversions */
value _mlgmp_fr_to_float(value mode, value v)
{
#ifdef USE_MPFR
CAMLparam1(v);
CAMLlocal1(r);
r = copy_double(mpfr_get_d(*mpfr_val(v), Mode_val(mode)));
CAMLreturn(r);
#else
unimplemented(to_float);
#endif
}
value _mlgmp_fr_to_z_exp(value v)
{
#ifdef USE_MPFR
CAMLparam1(v);
CAMLlocal2(r, z);
r = alloc_tuple(2);
z = alloc_init_mpz();
Store_field(r, 0, z);
Store_field(r, 1, Val_int(mpfr_get_z_exp(*mpz_val(z), *mpfr_val(v))));
CAMLreturn(r);
#else
unimplemented(to_z_exp);
#endif
}
value _mlgmp_fr_to_string_exp_base_digits(value mode,
value base, value digits, value val)
{
#ifdef USE_MPFR
CAMLparam4(mode, base, digits, val);
CAMLlocal2(r, rs);
mp_exp_t exponent;
char *s= mpfr_get_str(NULL, &exponent, Int_val(base), Int_val(digits),
*mpfr_val(val), Mode_val(mode));
rs=alloc_string(strlen(s));
strcpy(String_val(rs), s);
free(s);
r=alloc_tuple(2);
Store_field(r, 0, rs);
Store_field(r, 1, Val_int(exponent));
CAMLreturn(r);
#else
unimplemented(to_string);
#endif
}
value _mlgmp_fr_from_string(value prec, value mode, value base, value str)
{
#ifdef USE_MPFR
CAMLparam4(prec, mode, base, str);
CAMLlocal1(r);
r=alloc_init_mpfr(prec);
mpfr_set_str(*mpfr_val(r), String_val(str), Int_val(base), Mode_val(mode));
CAMLreturn(r);
#else
unimplemented(from_string);
#endif
}
/*** Operations */
/**** Arithmetic */
#ifdef USE_MPFR
#define fr_binary_op_mpfr(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
CAMLparam3(prec, a, b); \
CAMLlocal1(r); \
r=alloc_init_mpfr(prec); \
mpfr_##op(*mpfr_val(r), *mpfr_val(a), *mpfr_val(b), Mode_val(mode)); \
CAMLreturn(r); \
}
#define fr_binary_op_ui(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
CAMLparam3(prec, a, b); \
CAMLlocal1(r); \
r=alloc_init_mpfr(prec); \
mpfr_##op(*mpfr_val(r), *mpfr_val(a), Int_val(b), Mode_val(mode)); \
CAMLreturn(r); \
}
#define fr_binary_ui_op(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
CAMLparam3(prec, a, b); \
CAMLlocal1(r); \
r=alloc_init_mpfr(prec); \
mpfr_##op(*mpfr_val(r), Int_val(a), *mpfr_val(b), Mode_val(mode)); \
CAMLreturn(r); \
}
#define fr_unary_op(op) \
value _mlgmp_fr_##op(value prec, value mode, value a) \
{ \
CAMLparam2(prec, a); \
CAMLlocal1(r); \
r=alloc_init_mpfr(prec); \
mpfr_##op(*mpfr_val(r), *mpfr_val(a), Mode_val(mode)); \
CAMLreturn(r); \
}
#define fr_rounding_op(op) \
value _mlgmp_fr_##op(value prec, value a) \
{ \
CAMLparam2(prec, a); \
CAMLlocal1(r); \
r=alloc_init_mpfr(prec); \
mpfr_##op(*mpfr_val(r), *mpfr_val(a)); \
CAMLreturn(r); \
}
#else
#define fr_binary_op_mpfr(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
unimplemented(op) \
}
#define fr_binary_op_ui(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
unimplemented(op) \
}
#define fr_binary_ui_op(op) \
value _mlgmp_fr_##op(value prec, value mode, value a, value b) \
{ \
unimplemented(op) \
}
#define fr_unary_op(op) \
value _mlgmp_fr_##op(value prec, value mode, value a) \
{ \
unimplemented(op) \
}
#define fr_rounding_op(op) \
value _mlgmp_fr_##op(value prec, value mode, value a) \
{ \
unimplemented(op) \
}
#endif
#define fr_binary_op(op) \
fr_binary_op_ui(op##_ui) \
fr_binary_op_mpfr(op)
fr_binary_op(add)
fr_binary_op(sub)
fr_binary_op(mul)
fr_binary_op(div)
fr_binary_ui_op(ui_sub)
fr_binary_ui_op(ui_div)
fr_unary_op(neg)
fr_unary_op(abs)
fr_rounding_op(ceil)
fr_rounding_op(floor)
fr_rounding_op(trunc)
/*** Compare */
int _mlgmp_fr_custom_compare(value a, value b)
{
#ifdef USE_MPFR
CAMLparam2(a, b);
CAMLreturn(mpfr_cmp(*mpfr_val(a), *mpfr_val(b)));
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_cmp(value a, value b)
{
#ifdef USE_MPFR
CAMLparam2(a, b);
CAMLreturn(Val_int(mpfr_cmp(*mpfr_val(a), *mpfr_val(b))));
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_cmp_si(value a, value b)
{
#ifdef USE_MPFR
CAMLparam2(a, b);
CAMLreturn(Val_int(mpfr_cmp_si(*mpfr_val(a), Int_val(b))));
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_sgn(value a)
{
#ifdef USE_MPFR
CAMLparam1(a);
CAMLreturn(Val_int(mpfr_sgn(*mpfr_val(a))));
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_is_nan(value a)
{
#ifdef USE_MPFR
CAMLparam1(a);
CAMLreturn(mpfr_nan_p(*mpfr_val(a)) ? Val_true : Val_false);
#else
unimplemented(create);
#endif
}
value _mlgmp_fr_eq(value a, value b, value nbits)
{
#ifdef USE_MPFR
CAMLparam3(a, b, nbits);
CAMLreturn(mpfr_eq(*mpfr_val(a), *mpfr_val(b), Int_val(nbits))
? Val_true : Val_false);
#else
unimplemented(create);
#endif
}
fr_binary_op_mpfr(reldiff)
/*** Random */
value _mlgmp_fr_urandomb(value prec, value state)
{
#ifdef USE_MPFR
CAMLparam2(prec, state);
CAMLlocal1(r);
r = alloc_init_mpfr(prec);
mpfr_urandomb(*mpfr_val(r), *randstate_val(state));
CAMLreturn(r);
#else
unimplemented(urandomb);
#endif
}
value _mlgmp_fr_random(value prec)
{
#ifdef USE_MPFR
CAMLparam1(prec);
CAMLlocal1(r);
r = alloc_init_mpfr(prec);
mpfr_random(*mpfr_val(r));
CAMLreturn(r);
#else
unimplemented(urandomb);
#endif
}
/* Old MPFR -no longer exists in 20011026
value _mlgmp_fr_srandom(value seed)
{
#ifdef USE_MPFR
mpfr_srandom(Int_val(seed));
return Val_unit;
#else
unimplemented(urandomb);
#endif
}
*/
value _mlgmp_fr_random2(value prec, value nlimbs, value max_exp)
{
#ifdef USE_MPFR
CAMLparam3(prec, nlimbs, max_exp);
CAMLlocal1(r);
r = alloc_init_mpfr(prec);
mpfr_random2(*mpfr_val(r), Int_val(nlimbs), Int_val(max_exp));
CAMLreturn(r);
#else
unimplemented(urandomb);
#endif
}
/*** Serialization */
value _mlgmp_fr_initialize(void)
{
#ifdef USE_MPFR
CAMLparam0();
register_custom_operations(& _mlgmp_custom_f);
CAMLreturn(Val_unit);
#endif
}
#if defined(SERIALIZE) && defined(USE_MPFR)
void _mlgmp_fr_serialize(value v,
unsigned long * wsize_32,
unsigned long * wsize_64)
{
CAMLparam1(v);
char *s;
int len;
mp_exp_t exponent;
char exponent_buf[10];
*wsize_32 = MPFR_SIZE_ARCH32;
*wsize_64 = MPFR_SIZE_ARCH64;
serialize_int_4(mpfr_get_prec(*mpfr_val(v)));
s = mpfr_get_str (NULL, &exponent, 16, 0, *mpfr_val(v), GMP_RNDN);
len = strlen(s);
serialize_int_4(len + 11);
serialize_block_1("0.", 2);
serialize_block_1(s, len);
free(s);
sprintf(exponent_buf, "@%08lx", (exponent & 0xFFFFFFFFUL));
serialize_block_1(exponent_buf, 9);
CAMLreturn0;
}
unsigned long _mlgmp_fr_deserialize(void * dst)
{
char *s;
int len;
mpfr_init2(*((mpfr_t*) dst), deserialize_uint_4());
len = deserialize_uint_4();
s = malloc(len+1);
deserialize_block_1(s, len);
s[len] = 0;
mpfr_set_str (*((mpfr_t*) dst), s, 16, GMP_RNDN);
free(s);
return sizeof(mpfr_t);
}
#endif
|
