func main() {
floats := []float64{1.4, 3.14, 9.81, 13.2, 23.42, 33.7, 44.11, 51}
array := stack.Lifo()
array.Push(fmt.Sprintf("Lorem %v", ansi.Color("Ipsum", ansi.Blue)))
array.Push(fmt.Sprintf("Dolor %v", ansi.Bold("sit Amet")))
array.Push(fmt.Sprintf("5th Prime: %v", xmath.Prime(5)))
array.Push(fmt.Sprintf("\n\tMin: %v\n\tMax: %v\n\tMedian: %v\n\tArithmetic: %v\n\tHarmonic: %v\n\tGeometric: %v", xmath.Min(floats), xmath.Max(floats), xmath.Median(floats), xmath.Arithmetic(floats), xmath.Harmonic(floats), xmath.Geometric(floats)))
array.Push(fmt.Sprintf("Date: %v", as.Time("11.01.2015")))
for array.Len() > 0 {
log.Println(array.Pop())
}
array.Push(string(as.Bytes(regex.ReplaceAllString("foobar", "o+", "u"))))
array.Push(as.Int(23.0000))
array.Push(as.Float(13.37))
array.Push(as.String(23.0))
array.Push(as.Bool(111111))
array.Push(as.Bytes(12.34))
array.Push(as.String(strconv.ParseInt("42", 10, 0)))
array.Push(as.FloatFromXString("2,3"))
array.Push(as.FloatFromXString(".23"))
array.Push(as.String("\r\n\t\n"))
for array.Len() > 0 {
log.Println(array.Pop())
}
}
// Geometric returns the geometric mean from a slice of Values as float64.
// The geometric mean is a type of mean or average, which indicates the central
// tendency or typical value of a set of numbers by using the product of their
// values (as opposed to the arithmetic mean which uses their sum). The
// geometric mean is defined as the nth root of the product of n numbers.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Geometric(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
var m float64 = 1
for i := 0; i < c; i++ {
m = m * as.Float(slice.Index(i).Interface())
}
return float64(math.Pow(float64(m), 1/float64(c)))
}
// Harmonic returns the harmonic mean from a slice of Values as float64.
// The arithmetic mean or simply the mean or average when the context is clear,
// is the sum of a list of numbers divided by the number of numbers
// in the list.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Harmonic(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
s := float64(0)
for i := 0; i < c; i++ {
s = s + 1/as.Float(slice.Index(i).Interface())
}
return (float64(c) * 1 / s)
}
// Arithmetic returns the arithmetic mean from a slice of Values as float64.
// The arithmetic mean or simply the mean or average when the context is clear,
// is the sum of a list of numbers divided by the number of numbers
// in the list.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Arithmetic(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
out := make([]float64, c)
for i := 0; i < c; i++ {
out[i] = as.Float(slice.Index(i).Interface())
}
return (Sum(out) / float64(len(out)))
}
// Rootmeansquare returns the root mean square from a slice of Values as float64.
// The root mean square is the root value of the sum of the squared value of a
// list of numbers divided by the number of numbers in the list.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Rootmeansquare(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
out := make([]float64, c)
for i := 0; i < c; i++ {
out[i] = math.Pow(as.Float(slice.Index(i).Interface()), 2)
}
return math.Sqrt(Sum(out) / float64(len(out)))
}
// Sum returns the sum from a slice of Values as float64.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Sum(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
out := make([]float64, c)
for i := 0; i < c; i++ {
out[i] = as.Float(slice.Index(i).Interface())
}
var sum float64
for _, value := range out {
sum = sum + value
}
return sum
}
// Median returns the median from a slice of Values as float64.
// The median is the numerical value separating the higher half
// of a data sample from the lower half. The median of a list of
// numbers can be found by arranging all the observations from
// lowest value to highest value and picking the middle one.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Median(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
out := make([]float64, c)
for i := 0; i < c; i++ {
out[i] = as.Float(slice.Index(i).Interface())
}
sort.Float64s(out)
if c%2 == 1 {
return out[c/2]
}
return (out[c/2] + out[c/2]) / 2
}
// Max returns the greatest number from a slice of Values as float64.
// It uses "as" (simonwaldherr.de/go/golibs/as) to
// convert given values to floats.
func Max(val interface{}) float64 {
slice := reflect.ValueOf(val)
c := slice.Len()
out := make([]float64, c)
for i := 0; i < c; i++ {
out[i] = as.Float(slice.Index(i).Interface())
}
max := out[0]
for _, value := range out {
if value > max {
max = value
}
}
return max
}