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Added pf_number_mlt() whcih scales to the smaller of the two fixed-point numbers

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This commit is contained in:
hyunghwan.chung 2019-01-10 15:28:37 +00:00
parent 9cd0b28933
commit 5101228c39
3 changed files with 31 additions and 2 deletions
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12
moo/kernel/Magnitu.moo
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@ -126,6 +126,18 @@ class(#limited) Number(Magnitude)
self primitiveFailed.
}
method mul: aNumber
{
<primitive: #_number_mul>
self primitiveFailed.
}
method mlt: aNumber
{
<primitive: #_number_mlt>
self primitiveFailed.
}
method div: aNumber
{
## integer division rounded toward zero

4
moo/kernel/test-001.moo
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@ -208,8 +208,6 @@ extend MyObject
[ (16r2dd01fc06c265c8163ac729b49d890939826ce3dd rem: 16r3b9aca00) = 394876893 ],
[ (16rFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF bitAnd: 16r1111111111111111111111111111111111111111) = 16r1111111111111111111111111111111111111111 ],
## 60-64
[ (-0.1233 * 999999.123) = -123299.8918 ],
[ (-0.1233 * 999999.123) asString = '-123299.8918' ],
@ -218,6 +216,8 @@ extend MyObject
[ (1.234 - 1.234) = 0 ], ## 0.000
## 65-69
[ (10.12 * 20.345) = 205.891 ],
[ (10.12 mlt: 20.345) = 205.89 ],
[ (-123897128378912738912738917.112323131233 div: 123.1) = -1006475453931053931053931.089458352000 ],
[ (-1006475453931053931053931.089458352000 * 123.1) = -123897128378912738912738917.112323131200 ],

17
moo/lib/exec.c
View File

@ -2870,6 +2870,22 @@ static moo_pfrc_t pf_number_mul (moo_t* moo, moo_mod_t* mod, moo_ooi_t nargs)
return MOO_PF_SUCCESS;
}
static moo_pfrc_t pf_number_mlt (moo_t* moo, moo_mod_t* mod, moo_ooi_t nargs)
{
moo_oop_t rcv, arg, res;
MOO_ASSERT (moo, nargs == 1);
rcv = MOO_STACK_GETRCV(moo, nargs);
arg = MOO_STACK_GETARG(moo, nargs, 0);
res = moo_mltnums(moo, rcv, arg);
if (!res) return (moo->errnum == MOO_EINVAL? MOO_PF_FAILURE: MOO_PF_HARD_FAILURE);
MOO_STACK_SETRET (moo, nargs, res);
return MOO_PF_SUCCESS;
}
static moo_pfrc_t pf_number_div (moo_t* moo, moo_mod_t* mod, moo_ooi_t nargs)
{
moo_oop_t rcv, arg, res;
@ -3873,6 +3889,7 @@ static pf_t pftab[] =
{ "_number_le", { pf_number_le, 1, 1 } },
{ "_number_lt", { pf_number_lt, 1, 1 } },
{ "_number_mdiv", { pf_number_mdiv, 1, 1 } },
{ "_number_mlt", { pf_number_mlt, 1, 1 } },
{ "_number_mul", { pf_number_mul, 1, 1 } },
{ "_number_ne", { pf_number_ne, 1, 1 } },
{ "_number_negated", { pf_number_negated, 0, 0 } },