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enhanded make_bigint_with_ooi() to handle MOO_TYPE_MIN(moo_ooi_t)

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This commit is contained in:
hyunghwan.chung 2019-08-11 16:15:55 +00:00
parent 273e2d4d02
commit 32341c1773
3 changed files with 58 additions and 21 deletions
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1
moo/bin/main.c
View File

@ -291,6 +291,7 @@ int main (int argc, char* argv[])
}
}
/*MOO_DEBUG2 (moo, "XXXXXXXXXXXXXXXXXXXXX %O %ld\n", moo_ooitoint(moo, MOO_TYPE_MIN(moo_ooi_t)), MOO_TYPE_MIN(moo_ooi_t));*/
MOO_DEBUG0 (moo, "COMPILE OK. STARTING EXECUTION...\n");
xret = 0;

54
moo/lib/bigint.c
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@ -411,7 +411,7 @@ static MOO_INLINE int bigint_to_uintmax (moo_t* moo, moo_oop_t num, moo_uintmax_
switch (MOO_OBJ_GET_SIZE(num))
{
case 1:
*w = ((moo_uintmax_t)MOO_OBJ_GET_WORD_VAL(num, 0);
*w = (moo_uintmax_t)MOO_OBJ_GET_WORD_VAL(num, 0);
goto done;
case 2:
@ -528,42 +528,50 @@ static MOO_INLINE moo_oop_t make_bigint_with_oow (moo_t* moo, moo_oow_t w)
static MOO_INLINE moo_oop_t make_bigint_with_ooi (moo_t* moo, moo_ooi_t i)
{
#if (MOO_LIW_BITS == MOO_OOW_BITS)
moo_oow_t w;
MOO_ASSERT (moo, MOO_SIZEOF(moo_oow_t) == MOO_SIZEOF(moo_liw_t));
MOO_STATIC_ASSERT (MOO_SIZEOF(moo_oow_t) == MOO_SIZEOF(moo_liw_t));
if (i >= 0)
{
w = i;
moo_oow_t w = i;
return moo_instantiate(moo, moo->_large_positive_integer, &w, 1);
}
else if (i > MOO_TYPE_MIN(moo_ooi_t))
{
moo_oow_t w = -i;
return moo_instantiate(moo, moo->_large_negative_integer, &w, 1);
}
else
{
/* The caller must ensure that i is greater than the smallest value
* that moo_ooi_t can represent. otherwise, the absolute value
* cannot be held in moo_ooi_t. */
MOO_ASSERT (moo, i > MOO_TYPE_MIN(moo_ooi_t));
w = -i;
/* MOO_TYPE_MIN(moo_ooi_t) */
moo_oow_t w = (moo_oow_t)MOO_TYPE_MAX(moo_ooi_t) + 1;
return moo_instantiate(moo, moo->_large_negative_integer, &w, 1);
}
#elif (MOO_LIW_BITS == MOO_OOHW_BITS)
moo_liw_t hw[2];
moo_oow_t w;
#elif (MOO_LIW_BITS == MOO_OOHW_BITS)
MOO_STATIC_ASSERT (MOO_SIZEOF(moo_oohw_t) == MOO_SIZEOF(moo_liw_t));
if (i >= 0)
{
w = i;
moo_liw_t hw[2];
moo_oow_t w = i;
hw[0] = w /*& MOO_LBMASK(moo_oow_t,MOO_LIW_BITS)*/;
hw[1] = w >> MOO_LIW_BITS;
return moo_instantiate(moo, moo->_large_positive_integer, hw, (hw[1] > 0? 2: 1));
}
else
else if (i > MOO_TYPE_MIN(moo_ooi_t))
{
MOO_ASSERT (moo, i > MOO_TYPE_MIN(moo_ooi_t));
w = -i;
moo_liw_t hw[2];
moo_oow_t w = -i;
hw[0] = w /*& MOO_LBMASK(moo_oow_t,MOO_LIW_BITS)*/;
hw[1] = w >> MOO_LIW_BITS;
return moo_instantiate(moo, moo->_large_negative_integer, hw, (hw[1] > 0? 2: 1));
}
else
{
/* MOO_TYPE_MIN(moo_ooi_t) */
moo_liw_t hw[2] = { 0, (MOO_TYPE_MAX(moo_liw_t) >> 1) + 1 };
return moo_instantiate(moo, moo->_large_negative_integer, hw, 2);
}
#else
# error UNSUPPORTED LIW BIT SIZE
#endif
@ -571,6 +579,7 @@ static MOO_INLINE moo_oop_t make_bigint_with_ooi (moo_t* moo, moo_ooi_t i)
static MOO_INLINE moo_oop_t make_bloated_bigint_with_ooi (moo_t* moo, moo_ooi_t i, moo_oow_t extra)
{
/*TODO: enhance this like make_bitint_with_ooi */
#if (MOO_LIW_BITS == MOO_OOW_BITS)
moo_oow_t w;
moo_oop_t z;
@ -630,6 +639,7 @@ static MOO_INLINE moo_oop_t make_bigint_with_intmax (moo_t* moo, moo_intmax_t v)
moo_liw_t buf[MOO_SIZEOF_INTMAX_T / MOO_SIZEOF_LIW_T];
moo_uintmax_t ui;
/*TODO: enhance to support MOO_TYPE_MIN(moo_intmax_t) */
/* this is not a generic function. it can't handle v
* if it's MOO_TYPE_MIN(moo_intmax_t) */
MOO_ASSERT (moo, v > MOO_TYPE_MIN(moo_intmax_t));
@ -672,6 +682,18 @@ moo_oop_t moo_ooitoint (moo_t* moo, moo_ooi_t i)
}
}
moo_oop_t moo_intmaxtoint (moo_t* moo, moo_intmax_t i)
{
if (MOO_IN_SMOOI_RANGE(i))
{
return MOO_SMOOI_TO_OOP(i);
}
else
{
return make_bigint_with_intmax(moo, i);
}
}
static MOO_INLINE moo_oop_t expand_bigint (moo_t* moo, moo_oop_t oop, moo_oow_t inc)
{
moo_oop_t z;

24
moo/lib/moo.h
View File

@ -2185,6 +2185,15 @@ MOO_EXPORT moo_oop_t moo_makestringwithbchars (
# define moo_makestring(moo,ptr,len) moo_makestringwithbchars(moo,ptr,len)
#endif
#if (MOO_SIZEOF_UINTMAX_T == MOO_SIZEOF_OOW_T)
# define moo_inttouintmax moo_inttooow
# define moo_inttointmax moo_inttoooi
# define moo_uintmaxtoint moo_oowtoint
# define moo_intmaxtoint moo_ooitoint
#else
MOO_EXPORT moo_oop_t moo_oowtoint (
moo_t* moo,
moo_oow_t w
@ -2195,7 +2204,6 @@ MOO_EXPORT moo_oop_t moo_ooitoint (
moo_ooi_t i
);
MOO_EXPORT int moo_inttooow (
moo_t* moo,
moo_oop_t x,
@ -2208,10 +2216,16 @@ MOO_EXPORT int moo_inttoooi (
moo_ooi_t* i
);
#if (MOO_SIZEOF_UINTMAX_T == MOO_SIZEOF_OOW_T)
# define moo_inttouintmax moo_inttooow
# define moo_inttointmax moo_inttoooi
#else
MOO_EXPORT moo_oop_t moo_intmaxtoint (
moo_t* moo,
moo_intmax_t i
);
/*MOO_EXPORT moo_oop_t moo_uintmaxtoint (
moo_t* moo,
moo_uintmax_t i
);*/
MOO_EXPORT int moo_inttouintmax (
moo_t* moo,
moo_oop_t x,