ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "fmt" "math" "math/bits" "os" "strconv" "strings" ) var types = []string{ "int", "int8", "int16", "int32", "int64", "uint", "uint8", "uint16", "uint32", "uint64", "uintptr", "float32", "float64", } func main() { var prog bytes.Buffer fmt.Fprintf(&prog, "package main\n\n") fmt.Fprintf(&prog, "import ( \"fmt\"; \"math\" )\n") for _, t1 := range types { for _, t2 := range types { fmt.Fprintf(&prog, "func %[1]s_to_%[2]s(x %[1]s) %[2]s { return %[2]s(x) }\n", t1, t2) } } var outputs []string var exprs []string fmt.Fprintf(&prog, "var (\n") for _, t1 := range types { var inputs []string switch t1 { case "int64", "int": if t1 == "int64" || bits.UintSize == 64 { inputs = append(inputs, "-0x8000_0000_0000_0000", "-0x7fff_ffff_ffff_ffff", "-0x12_3456_7890", "0x12_3456_7890", "0x7fff_ffff_ffff_ffff") } fallthrough case "int32": inputs = append(inputs, "-0x8000_0000", "-0x7fff_ffff", "-0x12_3456", "0x12_3456", "0x7fff_ffff") fallthrough case "int16": inputs = append(inputs, "-0x8000", "-0x7fff", "-0x1234", "0x1234", "0x7fff") fallthrough case "int8": inputs = append(inputs, "-0x80", "-0x7f", "-0x12", "-1", "0", "1", "0x12", "0x7f") case "uint64", "uint", "uintptr": if t1 == "uint64" || bits.UintSize == 64 { inputs = append(inputs, "0x12_3456_7890", "0x7fff_ffff_ffff_ffff", "0x8000_0000_0000_0000", "0xffff_ffff_ffff_ffff") } fallthrough case "uint32": inputs = append(inputs, "0x12_3456", "0x7fff_ffff", "0x8000_0000", "0xffff_ffff") fallthrough case "uint16": inputs = append(inputs, "0x1234", "0x7fff", "0x8000", "0xffff") fallthrough case "uint8": inputs = append(inputs, "0", "1", "0x12", "0x7f", "0x80", "0xff") case "float64": inputs = append(inputs, "-1.79769313486231570814527423731704356798070e+308", "-1e300", "-1e100", "-1e40", "-3.5e38", "3.5e38", "1e40", "1e100", "1e300", "1.79769313486231570814527423731704356798070e+308") fallthrough case "float32": inputs = append(inputs, "-3.40282346638528859811704183484516925440e+38", "-1e38", "-1.5", "-1.401298464324817070923729583289916131280e-45", "0", "1.401298464324817070923729583289916131280e-45", "1.5", "1e38", "3.40282346638528859811704183484516925440e+38") } for _, t2 := range types { for _, x := range inputs { code := fmt.Sprintf("%s_to_%s(%s)", t1, t2, x) fmt.Fprintf(&prog, "\tv%d = %s\n", len(outputs), code) exprs = append(exprs, code) outputs = append(outputs, convert(x, t1, t2)) } } } fmt.Fprintf(&prog, ")\n\n") fmt.Fprintf(&prog, "func main() {\n\tok := true\n") for i, out := range outputs { fmt.Fprintf(&prog, "\tif v%d != %s { fmt.Println(%q, \"=\", v%d, \"want\", %s); ok = false }\n", i, out, exprs[i], i, out) } fmt.Fprintf(&prog, "\tif !ok { println(\"FAIL\") }\n") fmt.Fprintf(&prog, "}\n") os.Stdout.Write(prog.Bytes()) } func convert(x, t1, t2 string) string { if strings.HasPrefix(t1, "int") { v, err := strconv.ParseInt(x, 0, 64) if err != nil { println(x, t1, t2) panic(err) } return convert1(v, t2) } if strings.HasPrefix(t1, "uint") { v, err := strconv.ParseUint(x, 0, 64) if err != nil { println(x, t1, t2) panic(err) } return convert1(v, t2) } if strings.HasPrefix(t1, "float") { v, err := strconv.ParseFloat(x, 64) if err != nil { println(x, t1, t2) panic(err) } if t1 == "float32" { v = float64(float32(v)) } return convert1(v, t2) } panic(t1) } func convert1[T int64 | uint64 | float64](v T, t2 string) string { switch t2 { case "int": return fmt.Sprintf("%s(%#x)", t2, int(v)) case "int8": return fmt.Sprintf("%s(%#x)", t2, int8(v)) case "int16": return fmt.Sprintf("%s(%#x)", t2, int16(v)) case "int32": return fmt.Sprintf("%s(%#x)", t2, int32(v)) case "int64": return fmt.Sprintf("%s(%#x)", t2, int64(v)) case "uint": return fmt.Sprintf("%s(%#x)", t2, uint(v)) case "uint8": return fmt.Sprintf("%s(%#x)", t2, uint8(v)) case "uint16": return fmt.Sprintf("%s(%#x)", t2, uint16(v)) case "uint32": return fmt.Sprintf("%s(%#x)", t2, uint32(v)) case "uint64": return fmt.Sprintf("%s(%#x)", t2, uint64(v)) case "uintptr": return fmt.Sprintf("%s(%#x)", t2, uintptr(v)) case "float32": v := float32(v) if math.IsInf(float64(v), -1) { return "float32(math.Inf(-1))" } if math.IsInf(float64(v), +1) { return "float32(math.Inf(+1))" } return fmt.Sprintf("%s(%v)", t2, float64(v)) case "float64": return fmt.Sprintf("%s(%v)", t2, float64(v)) } panic(t2) }