module sigmoid(
	in,
	out
);

	parameter dataLen = 16;
	parameter indexLen = 9;
	parameter fracLen = 7;

	input signed [dataLen - 1 : 0] in;
	output reg [dataLen - 1 : 0] out;
	reg [indexLen - 1 :0] index;

	always @(in)
	begin
		out = 0;
		// intger 2^9
		// float
		if (in < -(8 << 7)) begin
			out = 0;
		end else if (in > (8 << 7)) begin
			out = 1 << 7;
		end else begin
		//
		index[8]	= in[15]; // signed bit
		index[7:5]	= in[9:7]; //[9:0] fracture bit
		index[4:0]	= in[6:2];
		case(index)
			9'd256: out = 16'b0000000000000000; // input=-8.0,   , output=0.000335350130466
			9'd257: out = 16'b0000000000000000; // input=-7.96875, output=0.000345991603178
			9'd258: out = 16'b0000000000000000; // input=-7.9375, output=0.000356970635038
			9'd259: out = 16'b0000000000000000; // input=-7.90625, output=0.000368297926016
			9'd260: out = 16'b0000000000000000; // input=-7.875, output=0.000379984514752
			9'd261: out = 16'b0000000000000000; // input=-7.84375, output=0.000392041789238
			9'd262: out = 16'b0000000000000000; // input=-7.8125, output=0.000404481497842
			9'd263: out = 16'b0000000000000000; // input=-7.78125, output=0.000417315760678
			9'd264: out = 16'b0000000000000000; // input=-7.75, output=0.000430557081325
			9'd265: out = 16'b0000000000000000; // input=-7.71875, output=0.000444218358921
			9'd266: out = 16'b0000000000000000; // input=-7.6875, output=0.000458312900635
			9'd267: out = 16'b0000000000000000; // input=-7.65625, output=0.00047285443452
			9'd268: out = 16'b0000000000000000; // input=-7.625, output=0.000487857122782
			9'd269: out = 16'b0000000000000000; // input=-7.59375, output=0.000503335575453
			9'd270: out = 16'b0000000000000000; // input=-7.5625, output=0.000519304864495
			9'd271: out = 16'b0000000000000000; // input=-7.53125, output=0.000535780538347
			9'd272: out = 16'b0000000000000000; // input=-7.5, output=0.000552778636924
			9'd273: out = 16'b0000000000000000; // input=-7.46875, output=0.000570315707078
			9'd274: out = 16'b0000000000000000; // input=-7.4375, output=0.000588408818557
			9'd275: out = 16'b0000000000000000; // input=-7.40625, output=0.000607075580442
			9'd276: out = 16'b0000000000000000; // input=-7.375, output=0.000626334158109
			9'd277: out = 16'b0000000000000000; // input=-7.34375, output=0.00064620329072
			9'd278: out = 16'b0000000000000000; // input=-7.3125, output=0.000666702309244
			9'd279: out = 16'b0000000000000000; // input=-7.28125, output=0.000687851155055
			9'd280: out = 16'b0000000000000000; // input=-7.25, output=0.000709670399101
			9'd281: out = 16'b0000000000000000; // input=-7.21875, output=0.000732181261661
			9'd282: out = 16'b0000000000000000; // input=-7.1875, output=0.00075540563273
			9'd283: out = 16'b0000000000000000; // input=-7.15625, output=0.000779366093021
			9'd284: out = 16'b0000000000000000; // input=-7.125, output=0.000804085935629
			9'd285: out = 16'b0000000000000000; // input=-7.09375, output=0.000829589188359
			9'd286: out = 16'b0000000000000000; // input=-7.0625, output=0.000855900636745
			9'd287: out = 16'b0000000000000000; // input=-7.03125, output=0.000883045847785
			9'd288: out = 16'b0000000000000000; // input=-7.0, output=0.000911051194401
			9'd289: out = 16'b0000000000000000; // input=-6.96875, output=0.000939943880663
			9'd290: out = 16'b0000000000000000; // input=-6.9375, output=0.000969751967783
			9'd291: out = 16'b0000000000000000; // input=-6.90625, output=0.00100050440091
			9'd292: out = 16'b0000000000000000; // input=-6.875, output=0.00103223103675
			9'd293: out = 16'b0000000000000000; // input=-6.84375, output=0.00106496267206
			9'd294: out = 16'b0000000000000000; // input=-6.8125, output=0.00109873107292
			9'd295: out = 16'b0000000000000000; // input=-6.78125, output=0.00113356900509
			9'd296: out = 16'b0000000000000000; // input=-6.75, output=0.00116951026506
			9'd297: out = 16'b0000000000000000; // input=-6.71875, output=0.00120658971225
			9'd298: out = 16'b0000000000000000; // input=-6.6875, output=0.00124484330209
			9'd299: out = 16'b0000000000000000; // input=-6.65625, output=0.00128430812013
			9'd300: out = 16'b0000000000000000; // input=-6.625, output=0.00132502241721
			9'd301: out = 16'b0000000000000000; // input=-6.59375, output=0.00136702564566
			9'd302: out = 16'b0000000000000000; // input=-6.5625, output=0.00141035849662
			9'd303: out = 16'b0000000000000000; // input=-6.53125, output=0.00145506293853
			9'd304: out = 16'b0000000000000000; // input=-6.5, output=0.00150118225674
			9'd305: out = 16'b0000000000000000; // input=-6.46875, output=0.00154876109429
			9'd306: out = 16'b0000000000000000; // input=-6.4375, output=0.00159784549402
			9'd307: out = 16'b0000000000000000; // input=-6.40625, output=0.00164848294185
			9'd308: out = 16'b0000000000000000; // input=-6.375, output=0.00170072241144
			9'd309: out = 16'b0000000000000000; // input=-6.34375, output=0.0017546144101
			9'd310: out = 16'b0000000000000000; // input=-6.3125, output=0.0018102110262
			9'd311: out = 16'b0000000000000000; // input=-6.28125, output=0.00186756597789
			9'd312: out = 16'b0000000000000000; // input=-6.25, output=0.00192673466333
			9'd313: out = 16'b0000000000000000; // input=-6.21875, output=0.00198777421238
			9'd314: out = 16'b0000000000000000; // input=-6.1875, output=0.00205074353992
			9'd315: out = 16'b0000000000000000; // input=-6.15625, output=0.00211570340059
			9'd316: out = 16'b0000000000000000; // input=-6.125, output=0.00218271644535
			9'd317: out = 16'b0000000000000000; // input=-6.09375, output=0.0022518472795
			9'd318: out = 16'b0000000000000000; // input=-6.0625, output=0.00232316252263
			9'd319: out = 16'b0000000000000000; // input=-6.03125, output=0.00239673087013
			9'd320: out = 16'b0000000000000000; // input=-6.0, output=0.00247262315663
			9'd321: out = 16'b0000000000000000; // input=-5.96875, output=0.00255091242129
			9'd322: out = 16'b0000000000000000; // input=-5.9375, output=0.00263167397488
			9'd323: out = 16'b0000000000000000; // input=-5.90625, output=0.00271498546901
			9'd324: out = 16'b0000000000000000; // input=-5.875, output=0.00280092696712
			9'd325: out = 16'b0000000000000000; // input=-5.84375, output=0.00288958101777
			9'd326: out = 16'b0000000000000000; // input=-5.8125, output=0.00298103272985
			9'd327: out = 16'b0000000000000000; // input=-5.78125, output=0.00307536985005
			9'd328: out = 16'b0000000000000000; // input=-5.75, output=0.00317268284249
			9'd329: out = 16'b0000000000000000; // input=-5.71875, output=0.00327306497067
			9'd330: out = 16'b0000000000000000; // input=-5.6875, output=0.00337661238174
			9'd331: out = 16'b0000000000000000; // input=-5.65625, output=0.00348342419308
			9'd332: out = 16'b0000000000000000; // input=-5.625, output=0.00359360258142
			9'd333: out = 16'b0000000000000000; // input=-5.59375, output=0.00370725287439
			9'd334: out = 16'b0000000000000000; // input=-5.5625, output=0.00382448364464
			9'd335: out = 16'b0000000000000001; // input=-5.53125, output=0.0039454068066
			9'd336: out = 16'b0000000000000001; // input=-5.5, output=0.0040701377159
			9'd337: out = 16'b0000000000000001; // input=-5.46875, output=0.00419879527147
			9'd338: out = 16'b0000000000000001; // input=-5.4375, output=0.00433150202056
			9'd339: out = 16'b0000000000000001; // input=-5.40625, output=0.00446838426649
			9'd340: out = 16'b0000000000000001; // input=-5.375, output=0.00460957217937
			9'd341: out = 16'b0000000000000001; // input=-5.34375, output=0.00475519990983
			9'd342: out = 16'b0000000000000001; // input=-5.3125, output=0.00490540570572
			9'd343: out = 16'b0000000000000001; // input=-5.28125, output=0.00506033203197
			9'd344: out = 16'b0000000000000001; // input=-5.25, output=0.00522012569356
			9'd345: out = 16'b0000000000000001; // input=-5.21875, output=0.00538493796178
			9'd346: out = 16'b0000000000000001; // input=-5.1875, output=0.00555492470369
			9'd347: out = 16'b0000000000000001; // input=-5.15625, output=0.00573024651499
			9'd348: out = 16'b0000000000000001; // input=-5.125, output=0.00591106885624
			9'd349: out = 16'b0000000000000001; // input=-5.09375, output=0.00609756219258
			9'd350: out = 16'b0000000000000001; // input=-5.0625, output=0.00628990213689
			9'd351: out = 16'b0000000000000001; // input=-5.03125, output=0.00648826959666
			9'd352: out = 16'b0000000000000001; // input=-5.0, output=0.00669285092428
			9'd353: out = 16'b0000000000000001; // input=-4.96875, output=0.00690383807122
			9'd354: out = 16'b0000000000000001; // input=-4.9375, output=0.00712142874574
			9'd355: out = 16'b0000000000000001; // input=-4.90625, output=0.00734582657448
			9'd356: out = 16'b0000000000000001; // input=-4.875, output=0.00757724126786
			9'd357: out = 16'b0000000000000001; // input=-4.84375, output=0.00781588878929
			9'd358: out = 16'b0000000000000001; // input=-4.8125, output=0.00806199152827
			9'd359: out = 16'b0000000000000001; // input=-4.78125, output=0.00831577847747
			9'd360: out = 16'b0000000000000001; // input=-4.75, output=0.00857748541371
			9'd361: out = 16'b0000000000000001; // input=-4.71875, output=0.00884735508293
			9'd362: out = 16'b0000000000000001; // input=-4.6875, output=0.00912563738918
			9'd363: out = 16'b0000000000000001; // input=-4.65625, output=0.00941258958761
			9'd364: out = 16'b0000000000000001; // input=-4.625, output=0.00970847648147
			9'd365: out = 16'b0000000000000001; // input=-4.59375, output=0.0100135706232
			9'd366: out = 16'b0000000000000001; // input=-4.5625, output=0.0103281525193
			9'd367: out = 16'b0000000000000001; // input=-4.53125, output=0.0106525108397
			9'd368: out = 16'b0000000000000001; // input=-4.5, output=0.0109869426306
			9'd369: out = 16'b0000000000000001; // input=-4.46875, output=0.0113317535314
			9'd370: out = 16'b0000000000000001; // input=-4.4375, output=0.0116872579957
			9'd371: out = 16'b0000000000000010; // input=-4.40625, output=0.0120537795162
			9'd372: out = 16'b0000000000000010; // input=-4.375, output=0.0124316508532
			9'd373: out = 16'b0000000000000010; // input=-4.34375, output=0.0128212142666
			9'd374: out = 16'b0000000000000010; // input=-4.3125, output=0.0132228217523
			9'd375: out = 16'b0000000000000010; // input=-4.28125, output=0.0136368352814
			9'd376: out = 16'b0000000000000010; // input=-4.25, output=0.0140636270432
			9'd377: out = 16'b0000000000000010; // input=-4.21875, output=0.0145035796914
			9'd378: out = 16'b0000000000000010; // input=-4.1875, output=0.0149570865931
			9'd379: out = 16'b0000000000000010; // input=-4.15625, output=0.0154245520818
			9'd380: out = 16'b0000000000000010; // input=-4.125, output=0.0159063917118
			9'd381: out = 16'b0000000000000010; // input=-4.09375, output=0.0164030325162
			9'd382: out = 16'b0000000000000010; // input=-4.0625, output=0.0169149132667
			9'd383: out = 16'b0000000000000010; // input=-4.03125, output=0.0174424847362
			9'd384: out = 16'b0000000000000010; // input=-4.0, output=0.0179862099621
			9'd385: out = 16'b0000000000000010; // input=-3.96875, output=0.0185465645121
			9'd386: out = 16'b0000000000000010; // input=-3.9375, output=0.0191240367509
			9'd387: out = 16'b0000000000000011; // input=-3.90625, output=0.0197191281073
			9'd388: out = 16'b0000000000000011; // input=-3.875, output=0.0203323533427
			9'd389: out = 16'b0000000000000011; // input=-3.84375, output=0.0209642408181
			9'd390: out = 16'b0000000000000011; // input=-3.8125, output=0.0216153327626
			9'd391: out = 16'b0000000000000011; // input=-3.78125, output=0.0222861855392
			9'd392: out = 16'b0000000000000011; // input=-3.75, output=0.02297736991
			9'd393: out = 16'b0000000000000011; // input=-3.71875, output=0.0236894712994
			9'd394: out = 16'b0000000000000011; // input=-3.6875, output=0.0244230900541
			9'd395: out = 16'b0000000000000011; // input=-3.65625, output=0.0251788417006
			9'd396: out = 16'b0000000000000011; // input=-3.625, output=0.0259573571978
			9'd397: out = 16'b0000000000000011; // input=-3.59375, output=0.0267592831854
			9'd398: out = 16'b0000000000000100; // input=-3.5625, output=0.0275852822268
			9'd399: out = 16'b0000000000000100; // input=-3.53125, output=0.0284360330449
			9'd400: out = 16'b0000000000000100; // input=-3.5, output=0.0293122307514
			9'd401: out = 16'b0000000000000100; // input=-3.46875, output=0.0302145870674
			9'd402: out = 16'b0000000000000100; // input=-3.4375, output=0.0311438305348
			9'd403: out = 16'b0000000000000100; // input=-3.40625, output=0.032100706717
			9'd404: out = 16'b0000000000000100; // input=-3.375, output=0.0330859783887
			9'd405: out = 16'b0000000000000100; // input=-3.34375, output=0.0341004257123
			9'd406: out = 16'b0000000000000100; // input=-3.3125, output=0.0351448464008
			9'd407: out = 16'b0000000000000101; // input=-3.28125, output=0.036220055865
			9'd408: out = 16'b0000000000000101; // input=-3.25, output=0.0373268873441
			9'd409: out = 16'b0000000000000101; // input=-3.21875, output=0.0384661920183
			9'd410: out = 16'b0000000000000101; // input=-3.1875, output=0.039638839101
			9'd411: out = 16'b0000000000000101; // input=-3.15625, output=0.0408457159099
			9'd412: out = 16'b0000000000000101; // input=-3.125, output=0.0420877279156
			9'd413: out = 16'b0000000000000110; // input=-3.09375, output=0.0433657987639
			9'd414: out = 16'b0000000000000110; // input=-3.0625, output=0.0446808702727
			9'd415: out = 16'b0000000000000110; // input=-3.03125, output=0.0460339023992
			9'd416: out = 16'b0000000000000110; // input=-3.0, output=0.0474258731776
			9'd417: out = 16'b0000000000000110; // input=-2.96875, output=0.0488577786222
			9'd418: out = 16'b0000000000000110; // input=-2.9375, output=0.0503306325975
			9'd419: out = 16'b0000000000000111; // input=-2.90625, output=0.0518454666498
			9'd420: out = 16'b0000000000000111; // input=-2.875, output=0.0534033297998
			9'd421: out = 16'b0000000000000111; // input=-2.84375, output=0.0550052882935
			9'd422: out = 16'b0000000000000111; // input=-2.8125, output=0.056652425308
			9'd423: out = 16'b0000000000000111; // input=-2.78125, output=0.0583458406117
			9'd424: out = 16'b0000000000001000; // input=-2.75, output=0.060086650174
			9'd425: out = 16'b0000000000001000; // input=-2.71875, output=0.0618759857236
			9'd426: out = 16'b0000000000001000; // input=-2.6875, output=0.063714994252
			9'd427: out = 16'b0000000000001000; // input=-2.65625, output=0.0656048374591
			9'd428: out = 16'b0000000000001001; // input=-2.625, output=0.0675466911396
			9'd429: out = 16'b0000000000001001; // input=-2.59375, output=0.0695417445058
			9'd430: out = 16'b0000000000001001; // input=-2.5625, output=0.0715911994446
			9'd431: out = 16'b0000000000001001; // input=-2.53125, output=0.073696269706
			9'd432: out = 16'b0000000000001010; // input=-2.5, output=0.0758581800212
			9'd433: out = 16'b0000000000001010; // input=-2.46875, output=0.078078165145
			9'd434: out = 16'b0000000000001010; // input=-2.4375, output=0.0803574688222
			9'd435: out = 16'b0000000000001011; // input=-2.40625, output=0.082697342675
			9'd436: out = 16'b0000000000001011; // input=-2.375, output=0.085099045007
			9'd437: out = 16'b0000000000001011; // input=-2.34375, output=0.0875638395231
			9'd438: out = 16'b0000000000001100; // input=-2.3125, output=0.090092993962
			9'd439: out = 16'b0000000000001100; // input=-2.28125, output=0.0926877786394
			9'd440: out = 16'b0000000000001100; // input=-2.25, output=0.0953494648991
			9'd441: out = 16'b0000000000001101; // input=-2.21875, output=0.0980793234705
			9'd442: out = 16'b0000000000001101; // input=-2.1875, output=0.10087862273
			9'd443: out = 16'b0000000000001101; // input=-2.15625, output=0.103748626866
			9'd444: out = 16'b0000000000001110; // input=-2.125, output=0.106690593946
			9'd445: out = 16'b0000000000001110; // input=-2.09375, output=0.109705773878
			9'd446: out = 16'b0000000000001110; // input=-2.0625, output=0.112795406283
			9'd447: out = 16'b0000000000001111; // input=-2.03125, output=0.115960718254
			9'd448: out = 16'b0000000000001111; // input=-2.0, output=0.119202922022
			9'd449: out = 16'b0000000000010000; // input=-1.96875, output=0.122523212518
			9'd450: out = 16'b0000000000010000; // input=-1.9375, output=0.125922764835
			9'd451: out = 16'b0000000000010001; // input=-1.90625, output=0.129402731592
			9'd452: out = 16'b0000000000010001; // input=-1.875, output=0.132964240198
			9'd453: out = 16'b0000000000010001; // input=-1.84375, output=0.136608390026
			9'd454: out = 16'b0000000000010010; // input=-1.8125, output=0.14033624949
			9'd455: out = 16'b0000000000010010; // input=-1.78125, output=0.144148853033
			9'd456: out = 16'b0000000000010011; // input=-1.75, output=0.148047198032
			9'd457: out = 16'b0000000000010011; // input=-1.71875, output=0.152032241622
			9'd458: out = 16'b0000000000010100; // input=-1.6875, output=0.156104897445
			9'd459: out = 16'b0000000000010101; // input=-1.65625, output=0.160266032328
			9'd460: out = 16'b0000000000010101; // input=-1.625, output=0.164516462897
			9'd461: out = 16'b0000000000010110; // input=-1.59375, output=0.168856952142
			9'd462: out = 16'b0000000000010110; // input=-1.5625, output=0.173288205929
			9'd463: out = 16'b0000000000010111; // input=-1.53125, output=0.177810869478
			9'd464: out = 16'b0000000000010111; // input=-1.5, output=0.182425523806
			9'd465: out = 16'b0000000000011000; // input=-1.46875, output=0.187132682162
			9'd466: out = 16'b0000000000011001; // input=-1.4375, output=0.191932786447
			9'd467: out = 16'b0000000000011001; // input=-1.40625, output=0.196826203643
			9'd468: out = 16'b0000000000011010; // input=-1.375, output=0.20181322226
			9'd469: out = 16'b0000000000011010; // input=-1.34375, output=0.206894048816
			9'd470: out = 16'b0000000000011011; // input=-1.3125, output=0.212068804357
			9'd471: out = 16'b0000000000011100; // input=-1.28125, output=0.217337521047
			9'd472: out = 16'b0000000000011101; // input=-1.25, output=0.222700138825
			9'd473: out = 16'b0000000000011101; // input=-1.21875, output=0.228156502161
			9'd474: out = 16'b0000000000011110; // input=-1.1875, output=0.233706356914
			9'd475: out = 16'b0000000000011111; // input=-1.15625, output=0.239349347323
			9'd476: out = 16'b0000000000011111; // input=-1.125, output=0.245085013132
			9'd477: out = 16'b0000000000100000; // input=-1.09375, output=0.250912786885
			9'd478: out = 16'b0000000000100001; // input=-1.0625, output=0.256831991388
			9'd479: out = 16'b0000000000100010; // input=-1.03125, output=0.262841837371
			9'd480: out = 16'b0000000000100010; // input=-1.0, output=0.26894142137
			9'd481: out = 16'b0000000000100011; // input=-0.96875, output=0.275129723823
			9'd482: out = 16'b0000000000100100; // input=-0.9375, output=0.281405607429
			9'd483: out = 16'b0000000000100101; // input=-0.90625, output=0.287767815761
			9'd484: out = 16'b0000000000100110; // input=-0.875, output=0.294214972163
			9'd485: out = 16'b0000000000100110; // input=-0.84375, output=0.300745578941
			9'd486: out = 16'b0000000000100111; // input=-0.8125, output=0.307358016865
			9'd487: out = 16'b0000000000101000; // input=-0.78125, output=0.314050544992
			9'd488: out = 16'b0000000000101001; // input=-0.75, output=0.320821300825
			9'd489: out = 16'b0000000000101010; // input=-0.71875, output=0.327668300821
			9'd490: out = 16'b0000000000101011; // input=-0.6875, output=0.334589441253
			9'd491: out = 16'b0000000000101100; // input=-0.65625, output=0.341582499438
			9'd492: out = 16'b0000000000101101; // input=-0.625, output=0.348645135334
			9'd493: out = 16'b0000000000101110; // input=-0.59375, output=0.355774893514
			9'd494: out = 16'b0000000000101110; // input=-0.5625, output=0.36296920552
			9'd495: out = 16'b0000000000101111; // input=-0.53125, output=0.370225392596
			9'd496: out = 16'b0000000000110000; // input=-0.5, output=0.377540668798
			9'd497: out = 16'b0000000000110001; // input=-0.46875, output=0.384912144484
			9'd498: out = 16'b0000000000110010; // input=-0.4375, output=0.392336830167
			9'd499: out = 16'b0000000000110011; // input=-0.40625, output=0.39981164074
			9'd500: out = 16'b0000000000110100; // input=-0.375, output=0.407333400046
			9'd501: out = 16'b0000000000110101; // input=-0.34375, output=0.414898845797
			9'd502: out = 16'b0000000000110110; // input=-0.3125, output=0.422504634814
			9'd503: out = 16'b0000000000110111; // input=-0.28125, output=0.430147348586
			9'd504: out = 16'b0000000000111000; // input=-0.25, output=0.437823499114
			9'd505: out = 16'b0000000000111001; // input=-0.21875, output=0.44552953504
			9'd506: out = 16'b0000000000111010; // input=-0.1875, output=0.453261848015
			9'd507: out = 16'b0000000000111011; // input=-0.15625, output=0.461016779312
			9'd508: out = 16'b0000000000111100; // input=-0.125, output=0.468790626626
			9'd509: out = 16'b0000000000111101; // input=-0.09375, output=0.476579651064
			9'd510: out = 16'b0000000000111110; // input=-0.0625, output=0.484380084277
			9'd511: out = 16'b0000000000111111; // input=-0.03125, output=0.492188135721
			9'd0: out = 16'b0000000001000000; // input=0.0, output=0.5
			9'd1: out = 16'b0000000001000001; // input=0.03125, output=0.507811864279
			9'd2: out = 16'b0000000001000010; // input=0.0625, output=0.515619915723
			9'd3: out = 16'b0000000001000011; // input=0.09375, output=0.523420348936
			9'd4: out = 16'b0000000001000100; // input=0.125, output=0.531209373374
			9'd5: out = 16'b0000000001000101; // input=0.15625, output=0.538983220688
			9'd6: out = 16'b0000000001000110; // input=0.1875, output=0.546738151985
			9'd7: out = 16'b0000000001000111; // input=0.21875, output=0.55447046496
			9'd8: out = 16'b0000000001001000; // input=0.25, output=0.562176500886
			9'd9: out = 16'b0000000001001001; // input=0.28125, output=0.569852651414
			9'd10: out = 16'b0000000001001010; // input=0.3125, output=0.577495365186
			9'd11: out = 16'b0000000001001011; // input=0.34375, output=0.585101154203
			9'd12: out = 16'b0000000001001100; // input=0.375, output=0.592666599954
			9'd13: out = 16'b0000000001001101; // input=0.40625, output=0.60018835926
			9'd14: out = 16'b0000000001001110; // input=0.4375, output=0.607663169833
			9'd15: out = 16'b0000000001001111; // input=0.46875, output=0.615087855516
			9'd16: out = 16'b0000000001010000; // input=0.5, output=0.622459331202
			9'd17: out = 16'b0000000001010001; // input=0.53125, output=0.629774607404
			9'd18: out = 16'b0000000001010010; // input=0.5625, output=0.63703079448
			9'd19: out = 16'b0000000001010010; // input=0.59375, output=0.644225106486
			9'd20: out = 16'b0000000001010011; // input=0.625, output=0.651354864666
			9'd21: out = 16'b0000000001010100; // input=0.65625, output=0.658417500562
			9'd22: out = 16'b0000000001010101; // input=0.6875, output=0.665410558747
			9'd23: out = 16'b0000000001010110; // input=0.71875, output=0.672331699179
			9'd24: out = 16'b0000000001010111; // input=0.75, output=0.679178699175
			9'd25: out = 16'b0000000001011000; // input=0.78125, output=0.685949455008
			9'd26: out = 16'b0000000001011001; // input=0.8125, output=0.692641983135
			9'd27: out = 16'b0000000001011010; // input=0.84375, output=0.699254421059
			9'd28: out = 16'b0000000001011010; // input=0.875, output=0.705785027837
			9'd29: out = 16'b0000000001011011; // input=0.90625, output=0.712232184239
			9'd30: out = 16'b0000000001011100; // input=0.9375, output=0.718594392571
			9'd31: out = 16'b0000000001011101; // input=0.96875, output=0.724870276177
			9'd32: out = 16'b0000000001011110; // input=1.0, output=0.73105857863
			9'd33: out = 16'b0000000001011110; // input=1.03125, output=0.737158162629
			9'd34: out = 16'b0000000001011111; // input=1.0625, output=0.743168008612
			9'd35: out = 16'b0000000001100000; // input=1.09375, output=0.749087213115
			9'd36: out = 16'b0000000001100001; // input=1.125, output=0.754914986868
			9'd37: out = 16'b0000000001100001; // input=1.15625, output=0.760650652677
			9'd38: out = 16'b0000000001100010; // input=1.1875, output=0.766293643086
			9'd39: out = 16'b0000000001100011; // input=1.21875, output=0.771843497839
			9'd40: out = 16'b0000000001100011; // input=1.25, output=0.777299861175
			9'd41: out = 16'b0000000001100100; // input=1.28125, output=0.782662478953
			9'd42: out = 16'b0000000001100101; // input=1.3125, output=0.787931195643
			9'd43: out = 16'b0000000001100110; // input=1.34375, output=0.793105951184
			9'd44: out = 16'b0000000001100110; // input=1.375, output=0.79818677774
			9'd45: out = 16'b0000000001100111; // input=1.40625, output=0.803173796357
			9'd46: out = 16'b0000000001100111; // input=1.4375, output=0.808067213553
			9'd47: out = 16'b0000000001101000; // input=1.46875, output=0.812867317838
			9'd48: out = 16'b0000000001101001; // input=1.5, output=0.817574476194
			9'd49: out = 16'b0000000001101001; // input=1.53125, output=0.822189130522
			9'd50: out = 16'b0000000001101010; // input=1.5625, output=0.826711794071
			9'd51: out = 16'b0000000001101010; // input=1.59375, output=0.831143047858
			9'd52: out = 16'b0000000001101011; // input=1.625, output=0.835483537103
			9'd53: out = 16'b0000000001101011; // input=1.65625, output=0.839733967672
			9'd54: out = 16'b0000000001101100; // input=1.6875, output=0.843895102555
			9'd55: out = 16'b0000000001101101; // input=1.71875, output=0.847967758378
			9'd56: out = 16'b0000000001101101; // input=1.75, output=0.851952801968
			9'd57: out = 16'b0000000001101110; // input=1.78125, output=0.855851146967
			9'd58: out = 16'b0000000001101110; // input=1.8125, output=0.85966375051
			9'd59: out = 16'b0000000001101111; // input=1.84375, output=0.863391609974
			9'd60: out = 16'b0000000001101111; // input=1.875, output=0.867035759802
			9'd61: out = 16'b0000000001101111; // input=1.90625, output=0.870597268408
			9'd62: out = 16'b0000000001110000; // input=1.9375, output=0.874077235165
			9'd63: out = 16'b0000000001110000; // input=1.96875, output=0.877476787482
			9'd64: out = 16'b0000000001110001; // input=2.0, output=0.880797077978
			9'd65: out = 16'b0000000001110001; // input=2.03125, output=0.884039281746
			9'd66: out = 16'b0000000001110010; // input=2.0625, output=0.887204593717
			9'd67: out = 16'b0000000001110010; // input=2.09375, output=0.890294226122
			9'd68: out = 16'b0000000001110010; // input=2.125, output=0.893309406054
			9'd69: out = 16'b0000000001110011; // input=2.15625, output=0.896251373134
			9'd70: out = 16'b0000000001110011; // input=2.1875, output=0.89912137727
			9'd71: out = 16'b0000000001110011; // input=2.21875, output=0.90192067653
			9'd72: out = 16'b0000000001110100; // input=2.25, output=0.904650535101
			9'd73: out = 16'b0000000001110100; // input=2.28125, output=0.907312221361
			9'd74: out = 16'b0000000001110100; // input=2.3125, output=0.909907006038
			9'd75: out = 16'b0000000001110101; // input=2.34375, output=0.912436160477
			9'd76: out = 16'b0000000001110101; // input=2.375, output=0.914900954993
			9'd77: out = 16'b0000000001110101; // input=2.40625, output=0.917302657325
			9'd78: out = 16'b0000000001110110; // input=2.4375, output=0.919642531178
			9'd79: out = 16'b0000000001110110; // input=2.46875, output=0.921921834855
			9'd80: out = 16'b0000000001110110; // input=2.5, output=0.924141819979
			9'd81: out = 16'b0000000001110111; // input=2.53125, output=0.926303730294
			9'd82: out = 16'b0000000001110111; // input=2.5625, output=0.928408800555
			9'd83: out = 16'b0000000001110111; // input=2.59375, output=0.930458255494
			9'd84: out = 16'b0000000001110111; // input=2.625, output=0.93245330886
			9'd85: out = 16'b0000000001111000; // input=2.65625, output=0.934395162541
			9'd86: out = 16'b0000000001111000; // input=2.6875, output=0.936285005748
			9'd87: out = 16'b0000000001111000; // input=2.71875, output=0.938124014276
			9'd88: out = 16'b0000000001111000; // input=2.75, output=0.939913349826
			9'd89: out = 16'b0000000001111001; // input=2.78125, output=0.941654159388
			9'd90: out = 16'b0000000001111001; // input=2.8125, output=0.943347574692
			9'd91: out = 16'b0000000001111001; // input=2.84375, output=0.944994711707
			9'd92: out = 16'b0000000001111001; // input=2.875, output=0.9465966702
			9'd93: out = 16'b0000000001111001; // input=2.90625, output=0.94815453335
			9'd94: out = 16'b0000000001111010; // input=2.9375, output=0.949669367403
			9'd95: out = 16'b0000000001111010; // input=2.96875, output=0.951142221378
			9'd96: out = 16'b0000000001111010; // input=3.0, output=0.952574126822
			9'd97: out = 16'b0000000001111010; // input=3.03125, output=0.953966097601
			9'd98: out = 16'b0000000001111010; // input=3.0625, output=0.955319129727
			9'd99: out = 16'b0000000001111010; // input=3.09375, output=0.956634201236
			9'd100: out = 16'b0000000001111011; // input=3.125, output=0.957912272084
			9'd101: out = 16'b0000000001111011; // input=3.15625, output=0.95915428409
			9'd102: out = 16'b0000000001111011; // input=3.1875, output=0.960361160899
			9'd103: out = 16'b0000000001111011; // input=3.21875, output=0.961533807982
			9'd104: out = 16'b0000000001111011; // input=3.25, output=0.962673112656
			9'd105: out = 16'b0000000001111011; // input=3.28125, output=0.963779944135
			9'd106: out = 16'b0000000001111100; // input=3.3125, output=0.964855153599
			9'd107: out = 16'b0000000001111100; // input=3.34375, output=0.965899574288
			9'd108: out = 16'b0000000001111100; // input=3.375, output=0.966914021611
			9'd109: out = 16'b0000000001111100; // input=3.40625, output=0.967899293283
			9'd110: out = 16'b0000000001111100; // input=3.4375, output=0.968856169465
			9'd111: out = 16'b0000000001111100; // input=3.46875, output=0.969785412933
			9'd112: out = 16'b0000000001111100; // input=3.5, output=0.970687769249
			9'd113: out = 16'b0000000001111100; // input=3.53125, output=0.971563966955
			9'd114: out = 16'b0000000001111100; // input=3.5625, output=0.972414717773
			9'd115: out = 16'b0000000001111101; // input=3.59375, output=0.973240716815
			9'd116: out = 16'b0000000001111101; // input=3.625, output=0.974042642802
			9'd117: out = 16'b0000000001111101; // input=3.65625, output=0.974821158299
			9'd118: out = 16'b0000000001111101; // input=3.6875, output=0.975576909946
			9'd119: out = 16'b0000000001111101; // input=3.71875, output=0.976310528701
			9'd120: out = 16'b0000000001111101; // input=3.75, output=0.97702263009
			9'd121: out = 16'b0000000001111101; // input=3.78125, output=0.977713814461
			9'd122: out = 16'b0000000001111101; // input=3.8125, output=0.978384667237
			9'd123: out = 16'b0000000001111101; // input=3.84375, output=0.979035759182
			9'd124: out = 16'b0000000001111101; // input=3.875, output=0.979667646657
			9'd125: out = 16'b0000000001111101; // input=3.90625, output=0.980280871893
			9'd126: out = 16'b0000000001111110; // input=3.9375, output=0.980875963249
			9'd127: out = 16'b0000000001111110; // input=3.96875, output=0.981453435488
			9'd128: out = 16'b0000000001111110; // input=4.0, output=0.982013790038
			9'd129: out = 16'b0000000001111110; // input=4.03125, output=0.982557515264
			9'd130: out = 16'b0000000001111110; // input=4.0625, output=0.983085086733
			9'd131: out = 16'b0000000001111110; // input=4.09375, output=0.983596967484
			9'd132: out = 16'b0000000001111110; // input=4.125, output=0.984093608288
			9'd133: out = 16'b0000000001111110; // input=4.15625, output=0.984575447918
			9'd134: out = 16'b0000000001111110; // input=4.1875, output=0.985042913407
			9'd135: out = 16'b0000000001111110; // input=4.21875, output=0.985496420309
			9'd136: out = 16'b0000000001111110; // input=4.25, output=0.985936372957
			9'd137: out = 16'b0000000001111110; // input=4.28125, output=0.986363164719
			9'd138: out = 16'b0000000001111110; // input=4.3125, output=0.986777178248
			9'd139: out = 16'b0000000001111110; // input=4.34375, output=0.987178785733
			9'd140: out = 16'b0000000001111110; // input=4.375, output=0.987568349147
			9'd141: out = 16'b0000000001111110; // input=4.40625, output=0.987946220484
			9'd142: out = 16'b0000000001111111; // input=4.4375, output=0.988312742004
			9'd143: out = 16'b0000000001111111; // input=4.46875, output=0.988668246469
			9'd144: out = 16'b0000000001111111; // input=4.5, output=0.989013057369
			9'd145: out = 16'b0000000001111111; // input=4.53125, output=0.98934748916
			9'd146: out = 16'b0000000001111111; // input=4.5625, output=0.989671847481
			9'd147: out = 16'b0000000001111111; // input=4.59375, output=0.989986429377
			9'd148: out = 16'b0000000001111111; // input=4.625, output=0.990291523519
			9'd149: out = 16'b0000000001111111; // input=4.65625, output=0.990587410412
			9'd150: out = 16'b0000000001111111; // input=4.6875, output=0.990874362611
			9'd151: out = 16'b0000000001111111; // input=4.71875, output=0.991152644917
			9'd152: out = 16'b0000000001111111; // input=4.75, output=0.991422514586
			9'd153: out = 16'b0000000001111111; // input=4.78125, output=0.991684221523
			9'd154: out = 16'b0000000001111111; // input=4.8125, output=0.991938008472
			9'd155: out = 16'b0000000001111111; // input=4.84375, output=0.992184111211
			9'd156: out = 16'b0000000001111111; // input=4.875, output=0.992422758732
			9'd157: out = 16'b0000000001111111; // input=4.90625, output=0.992654173426
			9'd158: out = 16'b0000000001111111; // input=4.9375, output=0.992878571254
			9'd159: out = 16'b0000000001111111; // input=4.96875, output=0.993096161929
			9'd160: out = 16'b0000000001111111; // input=5.0, output=0.993307149076
			9'd161: out = 16'b0000000001111111; // input=5.03125, output=0.993511730403
			9'd162: out = 16'b0000000001111111; // input=5.0625, output=0.993710097863
			9'd163: out = 16'b0000000001111111; // input=5.09375, output=0.993902437807
			9'd164: out = 16'b0000000001111111; // input=5.125, output=0.994088931144
			9'd165: out = 16'b0000000001111111; // input=5.15625, output=0.994269753485
			9'd166: out = 16'b0000000001111111; // input=5.1875, output=0.994445075296
			9'd167: out = 16'b0000000001111111; // input=5.21875, output=0.994615062038
			9'd168: out = 16'b0000000001111111; // input=5.25, output=0.994779874306
			9'd169: out = 16'b0000000001111111; // input=5.28125, output=0.994939667968
			9'd170: out = 16'b0000000001111111; // input=5.3125, output=0.995094594294
			9'd171: out = 16'b0000000001111111; // input=5.34375, output=0.99524480009
			9'd172: out = 16'b0000000001111111; // input=5.375, output=0.995390427821
			9'd173: out = 16'b0000000001111111; // input=5.40625, output=0.995531615734
			9'd174: out = 16'b0000000001111111; // input=5.4375, output=0.995668497979
			9'd175: out = 16'b0000000001111111; // input=5.46875, output=0.995801204729
			9'd176: out = 16'b0000000001111111; // input=5.5, output=0.995929862284
			9'd177: out = 16'b0000000001111111; // input=5.53125, output=0.996054593193
			9'd178: out = 16'b0000000001111111; // input=5.5625, output=0.996175516355
			9'd179: out = 16'b0000000001111111; // input=5.59375, output=0.996292747126
			9'd180: out = 16'b0000000001111111; // input=5.625, output=0.996406397419
			9'd181: out = 16'b0000000001111111; // input=5.65625, output=0.996516575807
			9'd182: out = 16'b0000000001111111; // input=5.6875, output=0.996623387618
			9'd183: out = 16'b0000000001111111; // input=5.71875, output=0.996726935029
			9'd184: out = 16'b0000000001111111; // input=5.75, output=0.996827317158
			9'd185: out = 16'b0000000001111111; // input=5.78125, output=0.99692463015
			9'd186: out = 16'b0000000001111111; // input=5.8125, output=0.99701896727
			9'd187: out = 16'b0000000001111111; // input=5.84375, output=0.997110418982
			9'd188: out = 16'b0000000001111111; // input=5.875, output=0.997199073033
			9'd189: out = 16'b0000000001111111; // input=5.90625, output=0.997285014531
			9'd190: out = 16'b0000000001111111; // input=5.9375, output=0.997368326025
			9'd191: out = 16'b0000000001111111; // input=5.96875, output=0.997449087579
			9'd192: out = 16'b0000000001111111; // input=6.0, output=0.997527376843
			9'd193: out = 16'b0000000001111111; // input=6.03125, output=0.99760326913
			9'd194: out = 16'b0000000001111111; // input=6.0625, output=0.997676837477
			9'd195: out = 16'b0000000001111111; // input=6.09375, output=0.99774815272
			9'd196: out = 16'b0000000001111111; // input=6.125, output=0.997817283555
			9'd197: out = 16'b0000000001111111; // input=6.15625, output=0.997884296599
			9'd198: out = 16'b0000000001111111; // input=6.1875, output=0.99794925646
			9'd199: out = 16'b0000000001111111; // input=6.21875, output=0.998012225788
			9'd200: out = 16'b0000000001111111; // input=6.25, output=0.998073265337
			9'd201: out = 16'b0000000001111111; // input=6.28125, output=0.998132434022
			9'd202: out = 16'b0000000001111111; // input=6.3125, output=0.998189788974
			9'd203: out = 16'b0000000001111111; // input=6.34375, output=0.99824538559
			9'd204: out = 16'b0000000001111111; // input=6.375, output=0.998299277589
			9'd205: out = 16'b0000000001111111; // input=6.40625, output=0.998351517058
			9'd206: out = 16'b0000000001111111; // input=6.4375, output=0.998402154506
			9'd207: out = 16'b0000000001111111; // input=6.46875, output=0.998451238906
			9'd208: out = 16'b0000000001111111; // input=6.5, output=0.998498817743
			9'd209: out = 16'b0000000001111111; // input=6.53125, output=0.998544937061
			9'd210: out = 16'b0000000001111111; // input=6.5625, output=0.998589641503
			9'd211: out = 16'b0000000001111111; // input=6.59375, output=0.998632974354
			9'd212: out = 16'b0000000001111111; // input=6.625, output=0.998674977583
			9'd213: out = 16'b0000000001111111; // input=6.65625, output=0.99871569188
			9'd214: out = 16'b0000000001111111; // input=6.6875, output=0.998755156698
			9'd215: out = 16'b0000000001111111; // input=6.71875, output=0.998793410288
			9'd216: out = 16'b0000000001111111; // input=6.75, output=0.998830489735
			9'd217: out = 16'b0000000001111111; // input=6.78125, output=0.998866430995
			9'd218: out = 16'b0000000001111111; // input=6.8125, output=0.998901268927
			9'd219: out = 16'b0000000001111111; // input=6.84375, output=0.998935037328
			9'd220: out = 16'b0000000001111111; // input=6.875, output=0.998967768963
			9'd221: out = 16'b0000000001111111; // input=6.90625, output=0.998999495599
			9'd222: out = 16'b0000000001111111; // input=6.9375, output=0.999030248032
			9'd223: out = 16'b0000000001111111; // input=6.96875, output=0.999060056119
			9'd224: out = 16'b0000000001111111; // input=7.0, output=0.999088948806
			9'd225: out = 16'b0000000001111111; // input=7.03125, output=0.999116954152
			9'd226: out = 16'b0000000001111111; // input=7.0625, output=0.999144099363
			9'd227: out = 16'b0000000001111111; // input=7.09375, output=0.999170410812
			9'd228: out = 16'b0000000001111111; // input=7.125, output=0.999195914064
			9'd229: out = 16'b0000000001111111; // input=7.15625, output=0.999220633907
			9'd230: out = 16'b0000000001111111; // input=7.1875, output=0.999244594367
			9'd231: out = 16'b0000000001111111; // input=7.21875, output=0.999267818738
			9'd232: out = 16'b0000000001111111; // input=7.25, output=0.999290329601
			9'd233: out = 16'b0000000001111111; // input=7.28125, output=0.999312148845
			9'd234: out = 16'b0000000001111111; // input=7.3125, output=0.999333297691
			9'd235: out = 16'b0000000001111111; // input=7.34375, output=0.999353796709
			9'd236: out = 16'b0000000001111111; // input=7.375, output=0.999373665842
			9'd237: out = 16'b0000000001111111; // input=7.40625, output=0.99939292442
			9'd238: out = 16'b0000000001111111; // input=7.4375, output=0.999411591181
			9'd239: out = 16'b0000000001111111; // input=7.46875, output=0.999429684293
			9'd240: out = 16'b0000000001111111; // input=7.5, output=0.999447221363
			9'd241: out = 16'b0000000001111111; // input=7.53125, output=0.999464219462
			9'd242: out = 16'b0000000001111111; // input=7.5625, output=0.999480695136
			9'd243: out = 16'b0000000001111111; // input=7.59375, output=0.999496664425
			9'd244: out = 16'b0000000001111111; // input=7.625, output=0.999512142877
			9'd245: out = 16'b0000000001111111; // input=7.65625, output=0.999527145565
			9'd246: out = 16'b0000000001111111; // input=7.6875, output=0.999541687099
			9'd247: out = 16'b0000000001111111; // input=7.71875, output=0.999555781641
			9'd248: out = 16'b0000000001111111; // input=7.75, output=0.999569442919
			9'd249: out = 16'b0000000001111111; // input=7.78125, output=0.999582684239
			9'd250: out = 16'b0000000001111111; // input=7.8125, output=0.999595518502
			9'd251: out = 16'b0000000001111111; // input=7.84375, output=0.999607958211
			9'd252: out = 16'b0000000001111111; // input=7.875, output=0.999620015485
			9'd253: out = 16'b0000000001111111; // input=7.90625, output=0.999631702074
			9'd254: out = 16'b0000000001111111; // input=7.9375, output=0.999643029365
			9'd255: out = 16'b0000000001111111; // input=7.96875, output=0.999654008397
			///0 01110 1111111111  IEEE754 0.999
		endcase
		end
	end
endmodule