2 * Copyright 2008 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
30 static const WCHAR EW[] = {'E',0};
31 static const WCHAR LOG2EW[] = {'L','O','G','2','E',0};
32 static const WCHAR LOG10EW[] = {'L','O','G','1','0',0};
33 static const WCHAR LN2W[] = {'L','N','2',0};
34 static const WCHAR LN10W[] = {'L','N','1','0',0};
35 static const WCHAR PIW[] = {'P','I',0};
36 static const WCHAR SQRT2W[] = {'S','Q','R','T','2',0};
37 static const WCHAR SQRT1_2W[] = {'S','Q','R','T','1','_','2',0};
38 static const WCHAR absW[] = {'a','b','s',0};
39 static const WCHAR acosW[] = {'a','c','o','s',0};
40 static const WCHAR asinW[] = {'a','s','i','n',0};
41 static const WCHAR atanW[] = {'a','t','a','n',0};
42 static const WCHAR atan2W[] = {'a','t','a','n','2',0};
43 static const WCHAR ceilW[] = {'c','e','i','l',0};
44 static const WCHAR cosW[] = {'c','o','s',0};
45 static const WCHAR expW[] = {'e','x','p',0};
46 static const WCHAR floorW[] = {'f','l','o','o','r',0};
47 static const WCHAR logW[] = {'l','o','g',0};
48 static const WCHAR maxW[] = {'m','a','x',0};
49 static const WCHAR minW[] = {'m','i','n',0};
50 static const WCHAR powW[] = {'p','o','w',0};
51 static const WCHAR randomW[] = {'r','a','n','d','o','m',0};
52 static const WCHAR roundW[] = {'r','o','u','n','d',0};
53 static const WCHAR sinW[] = {'s','i','n',0};
54 static const WCHAR sqrtW[] = {'s','q','r','t',0};
55 static const WCHAR tanW[] = {'t','a','n',0};
57 static HRESULT math_constant(DOUBLE val, WORD flags, VARIANT *retv)
60 case DISPATCH_PROPERTYGET:
64 case DISPATCH_PROPERTYPUT:
68 FIXME("unhandled flags %x\n", flags);
72 static HRESULT Math_E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
73 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
79 static HRESULT Math_LOG2E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
80 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
86 static HRESULT Math_LOG10E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
87 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
93 static HRESULT Math_LN2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
94 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
100 static HRESULT Math_LN10(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
101 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
107 /* ECMA-262 3rd Edition 15.8.1.6 */
108 static HRESULT Math_PI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
109 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
112 return math_constant(M_PI, flags, retv);
115 static HRESULT Math_SQRT2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
116 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
122 static HRESULT Math_SQRT1_2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
123 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
129 /* ECMA-262 3rd Edition 15.8.2.12 */
130 static HRESULT Math_abs(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
131 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
145 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
151 num_set_val(retv, d < 0.0 ? -d : d);
155 static HRESULT Math_acos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
156 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
162 static HRESULT Math_asin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
163 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
169 static HRESULT Math_atan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
170 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
176 static HRESULT Math_atan2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
177 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
183 /* ECMA-262 3rd Edition 15.8.2.6 */
184 static HRESULT Math_ceil(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
185 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
198 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
203 num_set_val(retv, ceil(num_val(&v)));
207 static HRESULT Math_cos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
208 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
214 static HRESULT Math_exp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
215 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
221 static HRESULT Math_floor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
222 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
235 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
240 num_set_val(retv, floor(num_val(&v)));
244 static HRESULT Math_log(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
245 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
251 /* ECMA-262 3rd Edition 15.8.2.11 */
252 static HRESULT Math_max(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
253 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
264 num_set_inf(retv, FALSE);
268 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
273 for(i=1; i < arg_cnt(dp); i++) {
274 hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v);
279 if(d > max || isnan(d))
284 num_set_val(retv, max);
288 /* ECMA-262 3rd Edition 15.8.2.12 */
289 static HRESULT Math_min(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
290 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
301 num_set_inf(retv, TRUE);
305 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
310 for(i=1; i < arg_cnt(dp); i++) {
311 hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v);
316 if(d < min || isnan(d))
321 num_set_val(retv, min);
325 /* ECMA-262 3rd Edition 15.8.2.13 */
326 static HRESULT Math_pow(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
327 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
334 if(arg_cnt(dp) < 2) {
335 FIXME("unimplemented arg_cnt %d\n", arg_cnt(dp));
339 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &x);
343 hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &y);
348 num_set_val(retv, pow(num_val(&x), num_val(&y)));
352 static HRESULT Math_random(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
353 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
359 /* ECMA-262 3rd Edition 15.8.2.15 */
360 static HRESULT Math_round(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
361 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
369 FIXME("arg_cnt = 0\n");
373 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
378 num_set_val(retv, floor(num_val(&v)+0.5));
382 static HRESULT Math_sin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
383 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
389 static HRESULT Math_sqrt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
390 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
396 static HRESULT Math_tan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
397 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
403 static const builtin_prop_t Math_props[] = {
405 {LOG2EW, Math_LOG2E, 0},
406 {LOG10EW, Math_LOG10E, 0},
408 {LN10W, Math_LN10, 0},
410 {SQRT1_2W, Math_SQRT1_2, 0},
411 {SQRT2W, Math_SQRT2, 0},
412 {absW, Math_abs, PROPF_METHOD},
413 {acosW, Math_acos, PROPF_METHOD},
414 {asinW, Math_asin, PROPF_METHOD},
415 {atanW, Math_atan, PROPF_METHOD},
416 {atan2W, Math_atan2, PROPF_METHOD},
417 {ceilW, Math_ceil, PROPF_METHOD},
418 {cosW, Math_cos, PROPF_METHOD},
419 {expW, Math_exp, PROPF_METHOD},
420 {floorW, Math_floor, PROPF_METHOD},
421 {logW, Math_log, PROPF_METHOD},
422 {maxW, Math_max, PROPF_METHOD},
423 {minW, Math_min, PROPF_METHOD},
424 {powW, Math_pow, PROPF_METHOD},
425 {randomW, Math_random, PROPF_METHOD},
426 {roundW, Math_round, PROPF_METHOD},
427 {sinW, Math_sin, PROPF_METHOD},
428 {sqrtW, Math_sqrt, PROPF_METHOD},
429 {tanW, Math_tan, PROPF_METHOD}
432 static const builtin_info_t Math_info = {
435 sizeof(Math_props)/sizeof(*Math_props),
441 HRESULT create_math(script_ctx_t *ctx, DispatchEx **ret)
443 return create_dispex(ctx, &Math_info, NULL, ret);