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Changed ApplyFunc to Apply, fixed Cumsum example

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btracey
2013-07-22 16:57:44 -07:00
parent 71768457d8
commit 4601506cce
3 changed files with 5 additions and 7 deletions
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2
examples_test.go
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@@ -110,7 +110,7 @@ func ExampleCumsum() {
s := []float64{1, -2, 3, -4} s := []float64{1, -2, 3, -4}
dst := make([]float64, len(s)) dst := make([]float64, len(s))
Cumprod(dst, s) Cumsum(dst, s)
fmt.Println("dst = ", dst) fmt.Println("dst = ", dst)
fmt.Println("s = ", s) fmt.Println("s = ", s)

6
sliceops.go
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@@ -2,8 +2,6 @@ package sliceops
import "math" import "math"
// Test comment
// InsufficientElements is an error type used by FindFirst // InsufficientElements is an error type used by FindFirst
type InsufficientElements struct{} type InsufficientElements struct{}
@@ -38,7 +36,7 @@ func AddConst(s []float64, c float64) {
// ApplyFunc applies a function (math.Exp, math.Sin, etc.) to every element // ApplyFunc applies a function (math.Exp, math.Sin, etc.) to every element
// of the slice // of the slice
func ApplyFunc(s []float64, f func(float64) float64) { func Apply(s []float64, f func(float64) float64) {
for i, val := range s { for i, val := range s {
s[i] = f(val) s[i] = f(val)
} }
@@ -164,7 +162,7 @@ func Linspace(dst []float64, l, u float64) {
// zeros if l or u is zero. // zeros if l or u is zero.
func Logspace(dst []float64, l, u float64) { func Logspace(dst []float64, l, u float64) {
Linspace(dst, math.Log(l), math.Log(u)) Linspace(dst, math.Log(l), math.Log(u))
ApplyFunc(dst, math.Exp) Apply(dst, math.Exp)
} }
// Logsumexp returns the log of the sum of the exponentials of the values in s // Logsumexp returns the log of the sum of the exponentials of the values in s

4
sliceops_test.go
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@@ -41,14 +41,14 @@ func TestAddconst(t *testing.T) {
AreSlicesEqual(t, truth, s, "Wrong addition of constant") AreSlicesEqual(t, truth, s, "Wrong addition of constant")
} }
func TestApplyFunc(t *testing.T) { func TestApply(t *testing.T) {
s := []float64{3, 4, 1, 7, 5} s := []float64{3, 4, 1, 7, 5}
f := math.Sin f := math.Sin
truth := make([]float64, len(s)) truth := make([]float64, len(s))
for i, val := range s { for i, val := range s {
truth[i] = math.Sin(val) truth[i] = math.Sin(val)
} }
ApplyFunc(s, f) Apply(s, f)
AreSlicesEqual(t, truth, s, "Wrong application of function") AreSlicesEqual(t, truth, s, "Wrong application of function")
} }