func hasProperty(a, b int) bool {
stra := strconv.Itoa(a)
strb := strconv.Itoa(b)
num := uint8(0)
den := uint8(0)
if stra[0] == strb[0] {
num = stra[1]
den = strb[1]
} else if stra[0] == strb[1] {
num = stra[1]
den = strb[0]
} else if stra[1] == strb[1] && stra[1] != uint8(48) {
num = stra[0]
den = strb[0]
} else if stra[1] == strb[0] {
num = stra[0]
den = strb[1]
} else {
return false
}
newa, _ := strconv.Atof64(string(num))
newb, _ := strconv.Atof64(string(den))
if float64(a)/float64(b) == newa/newb {
return true
}
return false
}
// GetOrderBook retrieves the limit order book.
func GetOrderBook(c appengine.Context) (x xgen.OrderBook, err os.Error) {
defer func() {
if e, ok := recover().(os.Error); ok {
err = e
}
}()
var b OrderBook
err = restapi.GetJson(c, JsonDepth, &b)
check(err)
for _, ask := range b.Asks {
var o xgen.Order
o.Price, err = strconv.Atof64(ask[Price])
check(err)
o.Amount, err = strconv.Atof64(ask[Amount])
check(err)
x.SellTree = append(x.SellTree, o)
}
for _, bid := range b.Bids {
var o xgen.Order
o.Price, err = strconv.Atof64(bid[Price])
check(err)
o.Amount, err = strconv.Atof64(bid[Amount])
check(err)
x.BuyTree = append(x.BuyTree, o)
}
if !x.Validate() {
panic("Invalid Depth")
}
sort.Sort(x.BuyTree)
sort.Sort(x.SellTree)
x.BuyTree.Reverse()
return
}
// Parses a string representation of a LV++ coordinate into a struct holding a SwissCoord coordinate value.
// The reference ellipsoid of Swisscoord datum is always the GRS80 ellipsoid.
func ASwissCoordToStruct(coord string) (*SwissCoord, os.Error) {
compact := strings.ToUpper(strings.TrimSpace(coord))
var rights, heights string
var coordType, oldcoordType SwissCoordType
var right, height float64
var err os.Error
L1:
for i, index := 0, 0; i < 2; i++ {
index = strings.Index(compact, " ")
if index == -1 {
index = len(compact)
}
switch compact[:2] {
case "X:":
coordType = LV03
heights = compact[2:index]
case "Y:":
coordType = LV03
rights = compact[2:index]
case "E:":
coordType = LV95
rights = compact[2:index]
case "N:":
coordType = LV95
heights = compact[2:index]
default:
err = os.EINVAL
break L1
}
if oldcoordType != coordType {
err = os.EINVAL
break L1
}
if i == 1 {
break L1
}
compact = compact[index+len(" "):]
compact = strings.TrimLeft(compact, " ")
oldcoordType = coordType
}
if err == nil {
right, err = strconv.Atof64(rights)
if err == nil {
height, err = strconv.Atof64(heights)
if err == nil {
return &SwissCoord{Easting: right, Northing: height, CoordType: coordType, el: cartconvert.Bessel1841Ellipsoid}, nil
}
}
}
return nil, err
}
func (h OpenOrders) convert() (o xgen.OpenOrders) { // Convert campbx.OpenOrders to xgen.OpenOrders
var err os.Error
o.Sell = make(map[string]xgen.OpenOrder)
o.Buy = make(map[string]xgen.OpenOrder)
for _, order := range h.Buy {
if order.Oid != "" {
var t xgen.OpenOrder
t.Date = time.Seconds() // Should use time.Parse to convert order.DateEntered to Unix time
t.Price, err = strconv.Atof64(order.Price)
check(err)
t.Amount, err = strconv.Atof64(order.Quantity)
check(err)
o.Buy[order.Oid] = t
}
}
for _, order := range h.Sell {
if order.Oid != "" {
var t xgen.OpenOrder
t.Date = time.Seconds() // Should use time.Parse to convert order.DateEntered to Unix time
t.Price, err = strconv.Atof64(order.Price)
check(err)
t.Amount, err = strconv.Atof64(order.Quantity)
check(err)
o.Sell[order.Oid] = t
}
}
return
}
func ReadCoef() Coef {
var c Coef
c[0], _ = strconv.Atof64(os.Args[1])
c[1], _ = strconv.Atof64(os.Args[2])
c[2], _ = strconv.Atof64(os.Args[3])
return c
}
func (p byQuality) Less(i, j int) bool {
qi := float64(1)
if s, ok := p[i].Param["q"]; ok {
qi, _ = strconv.Atof64(s)
}
qj := float64(1)
if s, ok := p[j].Param["q"]; ok {
qj, _ = strconv.Atof64(s)
}
return qj < qi
}
// Tests if value 1 is greater than value2. The values are converted to double before comparison.
// Always returns false if number format is unexpected.
func (f Gt) Cmp(v1, v2 interface{}) bool {
d1, err := strconv.Atof64(fmt.Sprint(v1))
if err != nil {
return false
}
d2, err := strconv.Atof64(fmt.Sprint(v2))
if err != nil {
return false
}
return d1 > d2
}
// Parses a string representation of a BMN-Coordinate into a struct holding a BMN coordinate value.
// The reference ellipsoid of BMN coordinates is always the Bessel ellipsoid.
func ABMNToStruct(bmncoord string) (*BMNCoord, os.Error) {
compact := strings.ToUpper(strings.TrimSpace(bmncoord))
var rights, heights string
var meridian BMNMeridian
var right, height float64
var err os.Error
L1:
for i, index := 0, 0; i < 3; i++ {
index = strings.Index(compact, " ")
if index == -1 {
index = len(compact)
}
switch i {
case 0:
switch compact[:index] {
case "M28":
meridian = BMNM28
case "M31":
meridian = BMNM31
case "M34":
meridian = BMNM34
default:
err = os.EINVAL
break L1
}
case 1:
rights = compact[:index]
case 2:
heights = compact[:index]
break L1
}
compact = compact[index+len(" "):]
compact = strings.TrimLeft(compact, " ")
}
if err == nil {
right, err = strconv.Atof64(rights)
if err == nil {
height, err = strconv.Atof64(heights)
if err == nil {
return &BMNCoord{Right: right, Height: height, Meridian: meridian, el: cartconvert.Bessel1841MGIEllipsoid}, nil
}
}
}
return nil, err
}
func parseTestOutput(stderr string) (res *Stats) {
res = new(Stats)
for _, line := range strings.Split(stderr, "\n") {
line = strings.TrimSpace(line)
if asmInstrsRegexp.MatchString(line) {
ss := asmInstrsRegexp.FindStringSubmatch(line)
if len(ss) != 2 {
log.Printf("parseTestOutput: could not parse AsmInstrs statistic for line=[%s]", line)
continue
}
var err os.Error
if res.AsmInstrs, err = strconv.Atoi(ss[1]); err != nil {
log.Printf("parseTestOutput: could not parse int value of AsmInstrs statistic "+
"for line=[%s], matched substring=[%s], err: %v", line, ss[1], err)
continue
}
}
if stackSpaceRegexp.MatchString(line) {
ss := stackSpaceRegexp.FindStringSubmatch(line)
if len(ss) != 2 {
log.Printf("parseTestOutput: could not parse StackSpace statistic for line=[%s]", line)
continue
}
var err os.Error
if res.StackSpace, err = strconv.Atoi(ss[1]); err != nil {
log.Printf("parseTestOutput: could not parse int value of StackSpace statistic "+
"for line=[%s], matched substring=[%s], err: %v", line, ss[1], err)
continue
}
}
if execTimeRegexp.MatchString(line) {
ss := execTimeRegexp.FindStringSubmatch(line)
if len(ss) != 3 {
log.Printf("parseTestOutput: could not parse ExecTime statistic for line=[%s]", line)
continue
}
var err os.Error
if res.Seconds, err = strconv.Atof64(ss[1]); err != nil {
log.Printf("parseTestOutput: could not parse int value of Seconds statistic "+
"for line=[%s], matched substring=[%s], err: %v", line, ss[1], err)
continue
}
if res.WallSeconds, err = strconv.Atof64(ss[2]); err != nil {
log.Printf("parseTestOutput: could not parse int value of WallSeconds statistic "+
"for line=[%s], matched substring=[%s], err: %v", line, ss[2], err)
continue
}
}
}
return
}
func (q *QuotaQuery) CheckValid() os.Error {
var err os.Error
if q.low, err = strconv.Atof64(q.lowStr); err != nil {
return err
}
if q.high, err = strconv.Atof64(q.highStr); err != nil {
return err
}
if q.low > q.high {
return os.NewError("value low > high\n")
}
return nil
}
// GetBalance retrieves the account balance.
func GetBalance(c appengine.Context, login xgen.Credentials) (x xgen.Balance, err os.Error) {
defer func() {
if e, ok := recover().(os.Error); ok {
err = e
}
}()
var b Balance
err = restapi.PostJson(c, JsonBalance, map[string][]string{"name": {login.Username}, "pass": {login.Password}}, &b)
check(err)
x[xgen.BTC], err = strconv.Atof64(b.BTC)
check(err)
x[xgen.USD], err = strconv.Atof64(b.USD)
return
}
func chooseMediaType(providedStrings []string, accept string) string {
bestScore := -1.0
bestMatch := ""
accepts := splitAcceptString(accept)
providedSets := splitAcceptArray(providedStrings)
for _, acceptMatch := range accepts {
for i, provided := range providedSets {
if (acceptMatch.thetype == provided.thetype || acceptMatch.thetype == "*") && (acceptMatch.subtype == provided.subtype || acceptMatch.subtype == "*") {
score := 100.0
if len(provided.subtype) > 0 && len(acceptMatch.subtype) > 0 && (provided.subtype == acceptMatch.subtype || acceptMatch.subtype == "*") {
score += 10.0
}
for k, v := range acceptMatch.parameters {
if k != "q" {
if v2, ok := provided.parameters[k]; ok && v == v2 {
score += 1.0
}
}
}
if q, ok := acceptMatch.parameters["q"]; ok {
if qf, err := strconv.Atof64(q); err != nil {
score *= qf
}
}
if score > bestScore {
bestScore = score
bestMatch = providedStrings[i]
}
}
}
}
return bestMatch
}
func (self *String) Float() (f float64) {
var err os.Error
if f, err = strconv.Atof64(string(*self)); err != nil {
panic(err)
}
return f
}
func AsFloat64(v interface{}) (float64, os.Error) {
switch value := v.(type) {
default:
return 0, os.NewError(fmt.Sprintf("unexpected type: %T", value))
case int:
return float64(value), nil
case int8:
return float64(value), nil
case int16:
return float64(value), nil
case int32:
return float64(value), nil
case int64:
return float64(value), nil
case uint:
return float64(value), nil
case uint8:
return float64(value), nil
case uint16:
return float64(value), nil
case uint32:
return float64(value), nil
case uint64:
return float64(value), nil
case float32:
return float64(value), nil
case float64:
return float64(value), nil
case string:
return strconv.Atof64(value)
}
panic(fmt.Sprintf("unsupported type: %s", reflect.ValueOf(v).Type().Name()))
}
func scan(v *yystype) (output int) {
i := s.Scan()
switch i {
case scanner.Ident:
switch s.TokenText() {
case "for":
output = tfor
case "range":
output = trange
default:
output = ident
}
v.s = s.TokenText()
case scanner.String, scanner.RawString:
output = atom
text := s.TokenText()
v.i = text[1 : len(text)-1]
case scanner.Int:
output = atom
v.i, _ = strconv.Atoi(s.TokenText())
case scanner.Float:
output = atom
v.i, _ = strconv.Atof64(s.TokenText())
case scanner.EOF:
output = eof
default:
output = i
}
return
}
func decodeColumn(idx int, field *mysql.Field, val interface{}) (interface{}, os.Error) {
var dec interface{}
var err os.Error
switch v := val.(type) {
case int64:
return v, nil
case []byte:
switch field.Type {
case mysql.FIELD_TYPE_TINY, mysql.FIELD_TYPE_SHORT, mysql.FIELD_TYPE_YEAR, mysql.FIELD_TYPE_INT24, mysql.FIELD_TYPE_LONG, mysql.FIELD_TYPE_LONGLONG:
if field.Flags&mysql.FLAG_UNSIGNED != 0 {
dec, err = strconv.Atoui64(string(v))
} else {
dec, err = strconv.Atoi64(string(v))
}
if err != nil {
return nil, fmt.Errorf("mysql: strconv.Atoi64 error on field %d: %v", idx, err)
}
case mysql.FIELD_TYPE_FLOAT, mysql.FIELD_TYPE_DOUBLE:
dec, err = strconv.Atof64(string(v))
if err != nil {
return nil, fmt.Errorf("mysql: strconv.Atof64 error on field %d: %v", idx, err)
}
case mysql.FIELD_TYPE_DECIMAL, mysql.FIELD_TYPE_NEWDECIMAL, mysql.FIELD_TYPE_VARCHAR, mysql.FIELD_TYPE_VAR_STRING, mysql.FIELD_TYPE_STRING:
dec = string(v)
default:
return nil, fmt.Errorf("row[%d] was a []byte but unexpected field type %d", idx, field.Type)
}
return dec, nil
}
return nil, fmt.Errorf("expected row[%d] contents to be a []byte, got %T for field type %d", idx, val, field.Type)
}
// Get node value as float64
func (this *Node) F64(namespace, name string) float64 {
if node := rec_SelectNode(this, namespace, name); node != nil && node.Value != "" {
n, _ := strconv.Atof64(node.Value)
return n
}
return 0
}
func main() {
var p Point
var erx, ery os.Error
p.x, erx = strconv.Atof64(flag.Arg(0))
p.y, ery = strconv.Atof64(flag.Arg(1))
if erx != nil {
fmt.Printf("Error: %s\n", erx)
} else if ery != nil {
fmt.Printf("Error: %s\n", ery)
} else {
fmt.Printf("p.x is %.1f\n", p.x)
fmt.Printf("p.y is %.1f\n", p.y)
fmt.Printf("Distance from origin: %.1f\n", Distance(p))
}
}
func main() {
for true {
r := bufio.NewReader(os.Stdin)
s, err := r.ReadString('\n')
if err == os.EOF {
break
}
s = strings.TrimRight(s, "\n")
a := strings.Split(s, " ")
f := a[0]
x, err := strconv.Atof64(a[1])
switch f {
case "erf":
fmt.Println(math.Erf(x))
case "expm1":
fmt.Println(math.Expm1(x))
case "phi":
fmt.Println(phi.Phi(x))
case "NormalCDFInverse":
fmt.Println(normal_cdf_inverse.NormalCDFInverse(x))
case "Gamma":
fmt.Println(math.Gamma(x))
case "LogGamma":
r, _ := math.Lgamma(x)
fmt.Println(r)
case "LogFactorial":
fmt.Println(log_factorial.LogFactorial(int(x)))
default:
fmt.Println("Unknown function: " + f)
return
}
}
}
func (rs *ResultSet) float64(ord int) (value float64, isNull bool) {
if rs.conn.LogLevel >= LogVerbose {
defer rs.conn.logExit(rs.conn.logEnter("*ResultSet.float64"))
}
isNull = rs.isNull(ord)
if isNull {
return
}
val := rs.values[ord]
switch rs.fields[ord].format {
case textFormat:
// strconv.Atof64 does not handle NaN
if string(val) == "NaN" {
value = math.NaN()
} else {
var err os.Error
value, err = strconv.Atof64(string(val))
panicIfErr(err)
}
case binaryFormat:
value = math.Float64frombits(binary.BigEndian.Uint64(val))
}
return
}
func makeLevel(status *abc.Status, args map[string]interface{}) Widget {
level, err := strconv.Atof64(args["1"].(string))
if err != nil {
panic("bad frequency")
}
return Level(float32(level), 0)
}
func (self FitsHeaderItem) AsFloat() float64 {
value, err := strconv.Atof64(self.first_token())
if err == nil {
return value
}
return math.NaN()
}
func (rs *ResultSet) float64(ord int) (value float64, isNull bool) {
if rs.conn.LogLevel >= LogVerbose {
defer rs.conn.logExit(rs.conn.logEnter("*ResultSet.float64"))
}
isNull = rs.isNull(ord)
if isNull {
return
}
val := rs.values[ord]
switch rs.fields[ord].format {
case textFormat:
// strconv.Atof64 does not handle "-Infinity" and "Infinity"
valStr := string(val)
switch valStr {
case "-Infinity":
value = math.Inf(-1)
case "Infinity":
value = math.Inf(1)
default:
var err os.Error
value, err = strconv.Atof64(valStr)
panicIfErr(err)
}
case binaryFormat:
value = math.Float64frombits(binary.BigEndian.Uint64(val))
}
return
}
// Get attribute value as float64
func (this *Node) Af64(namespace, name string) float64 {
if s := this.As(namespace, name); s != "" {
n, _ := strconv.Atof64(s)
return n
}
return 0
}
// Base to read strings.
func (q *Question) _baseReadString(prompt, defaultAnswer string, def hasDefault) (answer string, err os.Error) {
line := q.getLine(prompt, defaultAnswer, def)
for {
answer, err = line.Read()
if err != nil {
return "", err
}
if answer != "" {
// === Check if it is a number
if _, err := strconv.Atoi(answer); err == nil {
goto _error
}
if _, err := strconv.Atof64(answer); err == nil {
goto _error
}
return answer, nil
}
if def != _DEFAULT_NO {
return defaultAnswer, nil
}
continue
_error:
fmt.Fprintf(output, "%s%v: the value has to be a string\r\n",
QuestionErrPrefix, answer)
}
return
}
// Scan parses the values of the current result row (set using Result.Next)
// into the given arguments.
func (r *Result) Scan(args ...interface{}) os.Error {
if len(args) != r.ncols {
return os.NewError(fmt.Sprintf("incorrect argument count for Result.Scan: have %d want %d", len(args), r.ncols))
}
for i, v := range args {
if int(C.PQgetisnull(r.res, C.int(r.currRow), C.int(i))) == 1 {
continue
}
val := C.GoString(C.PQgetvalue(r.res, C.int(r.currRow), C.int(i)))
switch v := v.(type) {
case *[]byte:
if !strings.HasPrefix(val, "\\x") {
return argErr(i, "[]byte", "invalid byte string format")
}
buf, err := hex.DecodeString(val[2:])
if err != nil {
return argErr(i, "[]byte", err.String())
}
*v = buf
case *string:
*v = val
case *bool:
*v = val == "t"
case *int:
x, err := strconv.Atoi(val)
if err != nil {
return argErr(i, "int", err.String())
}
*v = x
case *int64:
x, err := strconv.Atoi64(val)
if err != nil {
return argErr(i, "int64", err.String())
}
*v = x
case *float32:
x, err := strconv.Atof32(val)
if err != nil {
return argErr(i, "float32", err.String())
}
*v = x
case *float64:
x, err := strconv.Atof64(val)
if err != nil {
return argErr(i, "float64", err.String())
}
*v = x
case *time.Time:
x, _, err := ParseTimestamp(val)
if err != nil {
return argErr(i, "time.Time", err.String())
}
*v = *x
default:
return os.NewError("unsupported type in Scan: " + reflect.TypeOf(v).String())
}
}
return nil
}
// Base to read float numbers.
func (q *Question) _baseReadFloat(prompt string, defaultAnswer float64, def hasDefault) (answer float64, err os.Error) {
line := q.getLine(
prompt,
strconv.Ftoa64(defaultAnswer, QuestionFloatFmt, QuestionFloatPrec),
def,
)
for {
input, err := line.Read()
if err != nil {
return 0.0, err
}
if input == "" && def != _DEFAULT_NO {
return defaultAnswer, nil
}
answer, err = strconv.Atof64(input)
if err != nil {
fmt.Fprintf(output, "%s%q: the value has to be a float\r\n",
QuestionErrPrefix, input)
continue
} else {
return answer, nil
}
}
return
}
// ParseTime parses the time interval from s, and returns it
// as nanoseconds, if it is representable in seconds (with
// isNanoSeconds true), or sample count (with isNanoSeconds false)
// if not.
func ParseTime(s string) (t Time, err os.Error) {
endi := strings.LastIndexFunc(s, isDigit) + 1
if endi == 0 {
return Time{}, os.NewError("invalid number")
}
number, suffix := s[0:endi], s[endi:]
var mult int64
switch suffix {
case "s", "":
mult = 1e9
case "ms":
mult = 1e6
case "us":
mult = 1e3
case "ns":
mult = 1
case "x": // samples
mult = 1
}
// use exact arithmetic if we can
d, err := strconv.Atoi64(number)
if err != nil {
f, err := strconv.Atof64(number)
if err != nil {
return Time{}, err
}
d = int64(f * float64(mult))
} else {
d *= mult
}
return Time{d, suffix != "x"}, nil
}
func Btof64(buff []byte) (num float64, e Error) {
num, ce := strconv.Atof64(bytes.NewBuffer(buff).String())
if ce != nil {
e = NewErrorWithCause(SYSTEM_ERR, "Expected a parsable byte representation of a float64", ce)
}
return
}
func SimulationHandler(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.URL.Path[5:], "/", 3)
if len(vars) != 3 {
io.WriteString(w, "Invalid Simulation Parameters")
return
}
//TODO: Help user realize their errors
spawnTime, err := strconv.Atof64(vars[0])
if err != nil {
spawnTime = 60
}
numNurse, err := strconv.Atoi(vars[1])
if err != nil {
numNurse = 1
}
numDoc, err := strconv.Atoi(vars[2])
if err != nil {
numDoc = 1
}
fmt.Println("Running Requested Simulation....")
fmt.Println(spawnTime, numNurse, numDoc)
h := NewHospital(spawnTime, numNurse, numDoc)
h = <-h.StartSimulation()
fmt.Println("Simulation Completed....")
io.WriteString(w, compilePage(h.Patients))
}
