[fix](decimal256) fix casting float/double to decimal256

[jacktengg]

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #54401

Problem Summary:

Release note

None

Check List (For Author)

• Test

  • Regression test
  • Unit Test
  • Manual test (add detailed scripts or steps below)
  • No need to test or manual test. Explain why:
    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
    • No code files have been changed.
    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[hello-stephen]

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[jacktengg]

run buildall

[doris-robot]

BE UT Coverage Report

Increment line coverage 0.00% (0/7) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	41.89% (11135/26581)
Line Coverage	32.41% (95358/294256)
Region Coverage	31.55% (49265/156132)
Branch Coverage	28.00% (25253/90200)

[doris-robot]

TPC-H: Total hot run time: 39868 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit 471e21437879f6fe61ee6407d8f5e5d662fb0d12, data reload: false
------ Round 1 ----------------------------------
q1	17928	6925	6622	6622
q2	2094	178	179	178
q3	10643	1138	1152	1138
q4	10440	730	656	656
q5	7773	2883	2853	2853
q6	211	130	127	127
q7	980	614	609	609
q8	9368	1930	2005	1930
q9	6712	6400	6405	6400
q10	7006	2259	2256	2256
q11	471	265	263	263
q12	396	216	215	215
q13	17771	2995	3007	2995
q14	233	205	216	205
q15	512	468	478	468
q16	489	388	381	381
q17	999	565	521	521
q18	7263	6695	6696	6695
q19	1394	1088	1042	1042
q20	486	198	201	198
q21	4355	3271	3152	3152
q22	1115	964	994	964
Total cold run time: 108639 ms
Total hot run time: 39868 ms
----- Round 2, with runtime_filter_mode=off -----
q1	6612	6562	6577	6562
q2	321	232	232	232
q3	2945	2954	2960	2954
q4	2049	1823	1837	1823
q5	5726	5744	5752	5744
q6	213	125	127	125
q7	2201	1817	1809	1809
q8	3379	3569	3538	3538
q9	8765	8984	8889	8889
q10	3593	3546	3609	3546
q11	587	506	503	503
q12	798	633	614	614
q13	8048	3207	3182	3182
q14	313	271	278	271
q15	518	458	458	458
q16	479	459	438	438
q17	1851	1629	1601	1601
q18	8311	7798	7675	7675
q19	1655	1540	1605	1540
q20	2131	1896	1901	1896
q21	5345	5041	4966	4966
q22	1154	1016	1035	1016
Total cold run time: 66994 ms
Total hot run time: 59382 ms

[doris-robot]

TPC-DS: Total hot run time: 195478 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpcds-tools
TPC-DS sf100 test result on commit 471e21437879f6fe61ee6407d8f5e5d662fb0d12, data reload: false
query1	1279	932	886	886
query2	6310	1876	1869	1869
query3	10940	4342	4587	4342
query4	33033	23256	23426	23256
query5	3599	459	441	441
query6	262	181	182	181
query7	3986	302	318	302
query8	299	228	224	224
query9	9276	2587	2583	2583
query10	473	255	258	255
query11	17968	15188	15497	15188
query12	159	99	100	99
query13	1544	416	425	416
query14	10052	6605	6670	6605
query15	265	174	182	174
query16	8001	501	525	501
query17	1590	576	564	564
query18	2158	305	298	298
query19	222	157	155	155
query20	125	117	110	110
query21	203	101	104	101
query22	4807	4422	4522	4422
query23	34716	34368	33730	33730
query24	11135	2906	2890	2890
query25	628	403	402	402
query26	1402	170	176	170
query27	2468	343	355	343
query28	7312	2172	2193	2172
query29	893	468	446	446
query30	268	161	180	161
query31	1030	810	818	810
query32	96	58	60	58
query33	762	300	306	300
query34	967	504	497	497
query35	876	725	725	725
query36	1088	965	939	939
query37	138	71	68	68
query38	4051	3907	3914	3907
query39	1528	1457	1480	1457
query40	210	104	108	104
query41	61	54	50	50
query42	118	105	98	98
query43	525	484	480	480
query44	1272	806	801	801
query45	186	171	169	169
query46	1195	740	761	740
query47	2049	1909	1938	1909
query48	476	407	401	401
query49	962	405	404	404
query50	833	424	415	415
query51	7748	7417	7197	7197
query52	107	92	92	92
query53	263	196	188	188
query54	1164	497	473	473
query55	81	83	81	81
query56	277	268	251	251
query57	1337	1233	1209	1209
query58	227	209	211	209
query59	3207	2969	2919	2919
query60	285	256	256	256
query61	109	128	105	105
query62	886	701	712	701
query63	228	195	194	194
query64	4225	701	646	646
query65	3346	3299	3233	3233
query66	1071	290	299	290
query67	15858	15509	15504	15504
query68	4553	571	596	571
query69	436	263	257	257
query70	1122	1087	1099	1087
query71	342	252	243	243
query72	6276	4026	4054	4026
query73	744	347	349	347
query74	10242	9213	8913	8913
query75	3360	2622	2668	2622
query76	2891	1102	1203	1102
query77	411	270	260	260
query78	10621	9574	9590	9574
query79	1627	586	588	586
query80	965	424	423	423
query81	536	224	219	219
query82	744	96	87	87
query83	256	147	144	144
query84	238	81	82	81
query85	1276	291	294	291
query86	447	306	296	296
query87	4391	4221	4205	4205
query88	3508	2375	2338	2338
query89	414	293	291	291
query90	1888	180	182	180
query91	195	152	148	148
query92	64	50	58	50
query93	2002	543	538	538
query94	791	282	299	282
query95	355	252	253	252
query96	608	275	284	275
query97	3343	3116	3120	3116
query98	214	194	195	194
query99	1484	1327	1314	1314
Total cold run time: 300559 ms
Total hot run time: 195478 ms

[doris-robot]

ClickBench: Total hot run time: 30.15 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit 471e21437879f6fe61ee6407d8f5e5d662fb0d12, data reload: false
query1	0.03	0.03	0.03
query2	0.07	0.02	0.03
query3	0.23	0.06	0.06
query4	1.64	0.11	0.10
query5	0.52	0.50	0.52
query6	1.13	0.72	0.74
query7	0.02	0.02	0.02
query8	0.06	0.03	0.03
query9	0.56	0.50	0.49
query10	0.53	0.56	0.56
query11	0.15	0.10	0.10
query12	0.14	0.10	0.10
query13	0.60	0.59	0.60
query14	0.77	0.79	0.83
query15	0.83	0.82	0.81
query16	0.39	0.38	0.38
query17	1.02	1.03	0.98
query18	0.24	0.23	0.22
query19	1.94	1.80	1.80
query20	0.01	0.02	0.01
query21	15.40	0.57	0.57
query22	2.12	1.52	2.17
query23	16.92	1.29	0.77
query24	3.17	2.21	1.25
query25	0.21	0.12	0.10
query26	0.61	0.14	0.14
query27	0.05	0.05	0.05
query28	9.05	0.51	0.49
query29	12.59	3.25	3.25
query30	0.24	0.06	0.06
query31	2.87	0.40	0.38
query32	3.22	0.46	0.45
query33	2.95	3.00	3.03
query34	17.22	4.50	4.53
query35	4.57	4.55	4.56
query36	0.67	0.47	0.50
query37	0.09	0.06	0.06
query38	0.05	0.04	0.03
query39	0.04	0.02	0.03
query40	0.15	0.13	0.12
query41	0.08	0.02	0.02
query42	0.04	0.02	0.02
query43	0.03	0.02	0.02
Total cold run time: 103.22 s
Total hot run time: 30.15 s

[jacktengg]

run buildall

[doris-robot]

TPC-H: Total hot run time: 39769 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit ff883dfd5d3da0ec431aa5bd87c084adeea9f8b9, data reload: false
------ Round 1 ----------------------------------
q1	17906	7414	6602	6602
q2	2070	176	156	156
q3	10683	1153	1201	1153
q4	10400	745	693	693
q5	7739	2865	2760	2760
q6	213	130	132	130
q7	958	621	596	596
q8	9352	1930	2019	1930
q9	6688	6413	6433	6413
q10	7058	2255	2329	2255
q11	457	257	249	249
q12	395	213	215	213
q13	17780	2998	2976	2976
q14	239	209	210	209
q15	509	460	464	460
q16	481	384	367	367
q17	974	531	586	531
q18	7405	6733	6656	6656
q19	1446	1016	1021	1016
q20	478	209	206	206
q21	4067	3221	3485	3221
q22	1097	977	984	977
Total cold run time: 108395 ms
Total hot run time: 39769 ms
----- Round 2, with runtime_filter_mode=off -----
q1	6678	6657	6596	6596
q2	322	226	233	226
q3	2985	2985	2927	2927
q4	2091	1805	1832	1805
q5	5672	5737	5714	5714
q6	230	134	133	133
q7	2205	1833	1838	1833
q8	3332	3576	3498	3498
q9	8862	8952	8828	8828
q10	3593	3558	3541	3541
q11	579	513	486	486
q12	796	602	629	602
q13	7423	3122	3129	3122
q14	310	272	271	271
q15	520	452	464	452
q16	505	446	447	446
q17	1851	1666	1584	1584
q18	8234	7699	7764	7699
q19	1672	1559	1474	1474
q20	2059	1905	1844	1844
q21	5179	5132	5034	5034
q22	1160	1049	1027	1027
Total cold run time: 66258 ms
Total hot run time: 59142 ms

[doris-robot]

TPC-DS: Total hot run time: 196936 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpcds-tools
TPC-DS sf100 test result on commit ff883dfd5d3da0ec431aa5bd87c084adeea9f8b9, data reload: false
query1	1283	929	897	897
query2	6303	1901	1867	1867
query3	10947	4489	4492	4489
query4	33249	23901	23750	23750
query5	4259	461	437	437
query6	270	171	176	171
query7	3987	312	314	312
query8	290	228	227	227
query9	9545	2581	2580	2580
query10	500	260	260	260
query11	18158	15187	15161	15161
query12	156	107	106	106
query13	1553	418	428	418
query14	9335	7595	6833	6833
query15	242	188	182	182
query16	8029	497	540	497
query17	1658	593	601	593
query18	2133	327	328	327
query19	231	173	178	173
query20	123	120	119	119
query21	218	112	114	112
query22	4772	4398	4665	4398
query23	35194	34393	34030	34030
query24	12018	2881	2858	2858
query25	704	449	429	429
query26	1740	174	181	174
query27	2813	363	368	363
query28	7073	2175	2128	2128
query29	1061	480	478	478
query30	263	163	170	163
query31	1072	853	832	832
query32	96	54	59	54
query33	787	292	283	283
query34	1185	519	495	495
query35	861	722	725	722
query36	1098	946	940	940
query37	274	69	64	64
query38	4062	3900	3938	3900
query39	1560	1471	1482	1471
query40	246	104	100	100
query41	50	48	49	48
query42	117	107	104	104
query43	504	487	471	471
query44	1238	819	802	802
query45	187	173	173	173
query46	1141	729	733	729
query47	2018	1982	1927	1927
query48	489	401	402	401
query49	1003	399	398	398
query50	851	420	414	414
query51	7542	7254	7302	7254
query52	100	91	91	91
query53	263	181	191	181
query54	1248	486	483	483
query55	86	77	84	77
query56	299	281	253	253
query57	1327	1241	1198	1198
query58	234	214	212	212
query59	3193	2953	2916	2916
query60	290	269	270	269
query61	151	175	147	147
query62	856	723	704	704
query63	222	186	195	186
query64	4934	666	640	640
query65	3352	3191	3163	3163
query66	1210	294	285	285
query67	15932	15766	15816	15766
query68	5018	594	573	573
query69	435	263	276	263
query70	1128	1118	1084	1084
query71	337	260	259	259
query72	6099	4009	3951	3951
query73	749	355	343	343
query74	10313	8957	8980	8957
query75	3380	2594	2621	2594
query76	2658	982	1057	982
query77	389	276	276	276
query78	10609	9674	9635	9635
query79	2463	618	616	616
query80	1112	413	425	413
query81	542	222	211	211
query82	836	87	88	87
query83	235	140	137	137
query84	233	88	85	85
query85	1320	306	288	288
query86	427	302	300	300
query87	4399	4294	4181	4181
query88	4073	2373	2339	2339
query89	418	292	295	292
query90	2051	189	186	186
query91	184	151	144	144
query92	70	50	50	50
query93	2361	551	549	549
query94	832	298	294	294
query95	360	252	253	252
query96	619	277	277	277
query97	3355	3118	3156	3118
query98	222	200	207	200
query99	1528	1315	1338	1315
Total cold run time: 306940 ms
Total hot run time: 196936 ms

[doris-robot]

ClickBench: Total hot run time: 30.1 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit ff883dfd5d3da0ec431aa5bd87c084adeea9f8b9, data reload: false
query1	0.03	0.03	0.03
query2	0.08	0.04	0.03
query3	0.24	0.06	0.06
query4	1.63	0.11	0.11
query5	0.53	0.51	0.52
query6	1.13	0.73	0.74
query7	0.02	0.02	0.02
query8	0.04	0.03	0.03
query9	0.57	0.50	0.50
query10	0.55	0.58	0.59
query11	0.15	0.10	0.10
query12	0.14	0.11	0.10
query13	0.61	0.60	0.60
query14	0.77	0.79	0.81
query15	0.84	0.83	0.82
query16	0.38	0.39	0.39
query17	1.05	1.07	1.05
query18	0.23	0.21	0.22
query19	1.89	1.82	1.86
query20	0.02	0.02	0.02
query21	15.41	0.57	0.58
query22	2.29	2.36	1.40
query23	16.90	0.96	0.82
query24	2.98	1.13	1.51
query25	0.17	0.14	0.07
query26	0.55	0.14	0.14
query27	0.05	0.05	0.05
query28	10.00	0.56	0.46
query29	12.53	3.26	3.26
query30	0.25	0.06	0.06
query31	2.85	0.37	0.38
query32	3.26	0.46	0.47
query33	2.98	2.99	3.00
query34	16.86	4.55	4.55
query35	4.62	4.63	4.49
query36	0.67	0.48	0.49
query37	0.09	0.06	0.07
query38	0.04	0.03	0.04
query39	0.03	0.03	0.02
query40	0.16	0.13	0.12
query41	0.09	0.02	0.02
query42	0.03	0.03	0.02
query43	0.03	0.03	0.03
Total cold run time: 103.74 s
Total hot run time: 30.1 s

[hello-stephen]

BE UT Coverage Report

Increment line coverage 0.00% (0/7) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	41.90% (11137/26581)
Line Coverage	32.41% (95377/294256)
Region Coverage	31.56% (49280/156132)
Branch Coverage	28.01% (25261/90200)

[jacktengg]

run buildall

[doris-robot]

TPC-H: Total hot run time: 39820 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit 05b461668aaba3b10de5e04dbf59ee65567781e8, data reload: false
------ Round 1 ----------------------------------
q1	17598	6770	6617	6617
q2	2067	216	192	192
q3	10489	1120	1157	1120
q4	10226	752	724	724
q5	7733	2878	2771	2771
q6	211	132	132	132
q7	971	628	605	605
q8	9515	1907	2004	1907
q9	6666	6384	6382	6382
q10	7025	2301	2248	2248
q11	471	269	267	267
q12	407	222	216	216
q13	17784	2963	3013	2963
q14	224	206	204	204
q15	514	480	473	473
q16	503	384	376	376
q17	971	551	572	551
q18	7373	6653	6690	6653
q19	1419	1094	1148	1094
q20	457	193	207	193
q21	4148	3144	3146	3144
q22	1111	988	988	988
Total cold run time: 107883 ms
Total hot run time: 39820 ms
----- Round 2, with runtime_filter_mode=off -----
q1	6613	6561	6581	6561
q2	326	234	232	232
q3	2913	2975	2930	2930
q4	2027	1862	1849	1849
q5	5693	5725	5687	5687
q6	214	128	130	128
q7	2257	1792	1859	1792
q8	3374	3511	3523	3511
q9	8854	8934	8801	8801
q10	3555	3547	3547	3547
q11	590	520	485	485
q12	837	574	621	574
q13	7945	3153	3165	3153
q14	302	274	272	272
q15	518	462	459	459
q16	485	453	449	449
q17	1849	1611	1634	1611
q18	8314	7763	7711	7711
q19	1644	1554	1497	1497
q20	2108	1846	1863	1846
q21	5217	5083	5046	5046
q22	1164	1064	1005	1005
Total cold run time: 66799 ms
Total hot run time: 59146 ms

[doris-robot]

TPC-DS: Total hot run time: 197042 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpcds-tools
TPC-DS sf100 test result on commit 05b461668aaba3b10de5e04dbf59ee65567781e8, data reload: false
query1	1295	948	918	918
query2	6289	1894	1877	1877
query3	10981	4507	4452	4452
query4	33057	24274	23695	23695
query5	4452	489	455	455
query6	299	186	189	186
query7	4015	312	332	312
query8	285	242	212	212
query9	9373	2565	2566	2565
query10	485	262	254	254
query11	18308	15412	15466	15412
query12	154	103	99	99
query13	1541	433	415	415
query14	9608	6854	7034	6854
query15	235	189	203	189
query16	7917	505	545	505
query17	1605	607	601	601
query18	2132	321	321	321
query19	208	170	170	170
query20	130	118	116	116
query21	205	105	110	105
query22	4682	4350	4334	4334
query23	35067	35025	33844	33844
query24	11742	2986	2990	2986
query25	683	416	409	409
query26	1798	177	174	174
query27	2973	351	338	338
query28	7738	2131	2169	2131
query29	1093	445	420	420
query30	262	166	160	160
query31	1038	832	856	832
query32	100	58	59	58
query33	759	300	307	300
query34	964	508	538	508
query35	854	721	729	721
query36	1110	974	957	957
query37	268	66	70	66
query38	4140	3972	3924	3924
query39	1533	1463	1457	1457
query40	264	110	110	110
query41	54	56	55	55
query42	121	104	102	102
query43	518	473	475	473
query44	1308	824	825	824
query45	197	174	181	174
query46	1161	760	747	747
query47	2007	1867	1892	1867
query48	498	393	420	393
query49	1070	432	419	419
query50	845	428	428	428
query51	7500	7286	7154	7154
query52	110	95	94	94
query53	262	187	182	182
query54	1198	487	479	479
query55	81	81	83	81
query56	294	268	250	250
query57	1367	1208	1220	1208
query58	236	218	221	218
query59	3281	3019	2961	2961
query60	291	263	270	263
query61	118	175	167	167
query62	836	723	707	707
query63	221	196	195	195
query64	4932	688	659	659
query65	3443	3342	3372	3342
query66	1306	302	314	302
query67	15985	15623	15447	15447
query68	4804	582	573	573
query69	423	274	268	268
query70	1190	1045	1121	1045
query71	342	261	260	260
query72	6158	4296	4058	4058
query73	789	345	348	345
query74	10292	8918	9081	8918
query75	3407	2652	2674	2652
query76	2563	1056	1023	1023
query77	387	277	295	277
query78	10492	9646	9612	9612
query79	1623	601	596	596
query80	1167	430	431	430
query81	549	227	230	227
query82	953	94	93	93
query83	243	151	145	145
query84	235	80	75	75
query85	1328	295	294	294
query86	367	288	299	288
query87	4434	4208	4396	4208
query88	3305	2393	2348	2348
query89	425	291	289	289
query90	2072	189	188	188
query91	185	150	149	149
query92	59	54	51	51
query93	1897	545	549	545
query94	940	303	299	299
query95	367	256	259	256
query96	619	283	275	275
query97	3306	3133	3152	3133
query98	223	209	201	201
query99	1523	1309	1288	1288
Total cold run time: 305549 ms
Total hot run time: 197042 ms

[doris-robot]

ClickBench: Total hot run time: 29.49 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit 05b461668aaba3b10de5e04dbf59ee65567781e8, data reload: false
query1	0.04	0.04	0.03
query2	0.07	0.03	0.03
query3	0.23	0.07	0.07
query4	1.63	0.10	0.10
query5	0.54	0.50	0.51
query6	1.13	0.74	0.72
query7	0.02	0.02	0.02
query8	0.04	0.03	0.03
query9	0.56	0.50	0.52
query10	0.56	0.54	0.59
query11	0.14	0.11	0.11
query12	0.14	0.11	0.11
query13	0.62	0.59	0.60
query14	0.77	0.78	0.83
query15	0.83	0.82	0.81
query16	0.38	0.38	0.38
query17	1.03	1.01	1.04
query18	0.23	0.23	0.23
query19	1.85	1.85	1.84
query20	0.01	0.01	0.01
query21	15.39	0.59	0.56
query22	2.62	2.32	1.14
query23	17.08	0.89	0.85
query24	3.09	1.63	0.79
query25	0.28	0.21	0.09
query26	0.39	0.15	0.13
query27	0.04	0.04	0.04
query28	10.01	0.48	0.52
query29	12.57	3.30	3.24
query30	0.25	0.06	0.06
query31	2.87	0.39	0.38
query32	3.24	0.47	0.47
query33	2.97	3.04	3.01
query34	17.06	4.51	4.52
query35	4.56	4.58	4.57
query36	0.66	0.47	0.48
query37	0.08	0.06	0.07
query38	0.05	0.03	0.04
query39	0.03	0.02	0.02
query40	0.17	0.13	0.12
query41	0.08	0.03	0.02
query42	0.03	0.02	0.01
query43	0.04	0.03	0.03
Total cold run time: 104.38 s
Total hot run time: 29.49 s

[hello-stephen]

BE UT Coverage Report

Increment line coverage 0.00% (0/7) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	41.90% (11137/26581)
Line Coverage	32.41% (95380/294256)
Region Coverage	31.57% (49286/156132)
Branch Coverage	28.01% (25261/90200)