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jscript: Added implementation of Math_log.

This commit is contained in:
Piotr Caban 2009-05-27 01:09:56 +02:00 committed by Alexandre Julliard
parent 6231969476
commit f57f3aa2f4
2 changed files with 42 additions and 2 deletions
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20
dlls/jscript/math.c
View File

@ -337,8 +337,24 @@ static HRESULT Math_floor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS
static HRESULT Math_log(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
VARIANT v;
HRESULT hres;
TRACE("\n");
if(!arg_cnt(dp)) {
if(retv)
num_set_nan(retv);
return S_OK;
}
hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
if(FAILED(hres))
return hres;
if(retv)
num_set_val(retv, log(num_val(&v)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.8.2.11 */

24
dlls/jscript/tests/api.js
View File

@ -794,6 +794,30 @@ ok(tmp === Infinity, "Math.exp(Infinity) = " + tmp);
tmp = Math.exp(-Infinity);
ok(tmp === 0, "Math.exp(-Infinity) = " + tmp);
tmp = Math.log(1);
ok(Math.floor(tmp*100) === 0, "Math.log(1) = " + tmp);
tmp = Math.log(-1);
ok(isNaN(tmp), "Math.log(-1) is not NaN");
tmp = Math.log(true);
ok(Math.floor(tmp*100) === 0, "Math.log(true) = " + tmp);
tmp = Math.log(1, 1);
ok(Math.floor(tmp*100) === 0, "Math.log(1, 1) = " + tmp);
tmp = Math.log();
ok(isNaN(tmp), "Math.log() is not NaN");
tmp = Math.log(NaN);
ok(isNaN(tmp), "Math.log(NaN) is not NaN");
tmp = Math.log(Infinity);
ok(tmp === Infinity, "Math.log(Infinity) = " + tmp);
tmp = Math.log(-Infinity);
ok(isNaN(tmp), "Math.log(-Infinity) is not NaN");
var func = function (a) {
var a = 1;
if(a) return;