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jscript: Added Math_atan2 implementation.

This commit is contained in:
Piotr Caban 2009-05-25 22:05:35 +02:00 committed by Alexandre Julliard
parent 79151a2adf
commit d940755c71
2 changed files with 68 additions and 2 deletions
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22
dlls/jscript/math.c
View File

@ -223,8 +223,26 @@ static HRESULT Math_atan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *
static HRESULT Math_atan2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
VARIANT v1, v2;
HRESULT hres;
TRACE("\n");
if(arg_cnt(dp)<2) {
if(retv) num_set_nan(retv);
return S_OK;
}
hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v1);
if(FAILED(hres))
return hres;
hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &v2);
if(FAILED(hres))
return hres;
if(retv) num_set_val(retv, atan2(num_val(&v1), num_val(&v2)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.8.2.6 */

48
dlls/jscript/tests/api.js
View File

@ -719,6 +719,54 @@ ok(Math.floor(tmp*100) === 157, "Math.atan(Infinity) = " + tmp);
tmp = Math.atan(-Infinity);
ok(Math.floor(tmp*100) === -158, "Math.atan(Infinity) = " + tmp);
tmp = Math.atan2(0, 0);
ok(Math.floor(tmp*100) === 0, "Math.atan2(0, 0) = " + tmp);
tmp = Math.atan2(0, 1);
ok(Math.floor(tmp*100) === 0, "Math.atan2(0, 1) = " + tmp);
tmp = Math.atan2(0, Infinity);
ok(Math.floor(tmp*100) === 0, "Math.atan2(0, Infinity) = " + tmp);
tmp = Math.atan2(0, -1);
ok(Math.floor(tmp*100) === 314, "Math.atan2(0, -1) = " + tmp);
tmp = Math.atan2(0, -Infinity);
ok(Math.floor(tmp*100) === 314, "Math.atan2(0, -Infinity) = " + tmp);
tmp = Math.atan2(1, 0);
ok(Math.floor(tmp*100) === 157, "Math.atan2(1, 0) = " + tmp);
tmp = Math.atan2(Infinity, 0);
ok(Math.floor(tmp*100) === 157, "Math.atan2(Infinity, 0) = " + tmp);
tmp = Math.atan2(-1, 0);
ok(Math.floor(tmp*100) === -158, "Math.atan2(-1, 0) = " + tmp);
tmp = Math.atan2(-Infinity, 0);
ok(Math.floor(tmp*100) === -158, "Math.atan2(-Infinity, 0) = " + tmp);
tmp = Math.atan2(1, 1);
ok(Math.floor(tmp*100) === 78, "Math.atan2(1, 1) = " + tmp);
tmp = Math.atan2(-1, -1);
ok(Math.floor(tmp*100) === -236, "Math.atan2(-1, -1) = " + tmp);
tmp = Math.atan2(-1, 1);
ok(Math.floor(tmp*100) === -79, "Math.atan2(-1, 1) = " + tmp);
tmp = Math.atan2(Infinity, Infinity);
ok(Math.floor(tmp*100) === 78, "Math.atan2(Infinity, Infinity) = " + tmp);
tmp = Math.atan2(Infinity, -Infinity, 1);
ok(Math.floor(tmp*100) === 235, "Math.atan2(Infinity, -Infinity, 1) = " + tmp);
tmp = Math.atan2();
ok(isNaN(tmp), "Math.atan2() is not NaN");
tmp = Math.atan2(1);
ok(isNaN(tmp), "Math.atan2(1) is not NaN");
var func = function (a) {
var a = 1;
if(a) return;