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spatial/r2,all: harmonize r2.Vec API with r3.Vec API

Browse Source 
Migration to the new API can be achieved with this rsc.io/rf script:

```
rf ex {
	import "gonum.org/v1/gonum/spatial/r2";
	var p,q r2.Vec;
	var f float64;

	p.Add(q) -> r2.Add(p, q);
	p.Sub(q) -> r2.Sub(p, q);
	p.Scale(f) -> r2.Scale(f, p);
	p.Dot(q) -> r2.Dot(p, q);
	p.Cross(q) -> r2.Cross(p, q);
	p.Rotate(f, q) -> r2.Rotate(p, f, q);
}
```

Updates gonum/gonum#1553.
This commit is contained in:
Sebastien Binet
2021-01-28 10:40:57 +01:00
parent 3199e478a1
commit c9092a1e6a
6 changed files with 93 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
spatial/r2/vector_test.go
View File

@@ -22,7 +22,7 @@ func TestAdd(t *testing.T) {
{Vec{1, -3}, Vec{1, -6}, Vec{2, -9}},
{Vec{1, 2}, Vec{-1, -2}, Vec{}},
} {
got := test.v1.Add(test.v2)
got := Add(test.v1, test.v2)
if got != test.want {
t.Errorf(
"error: %v + %v: got=%v, want=%v",
@@ -43,7 +43,7 @@ func TestSub(t *testing.T) {
{Vec{1, -3}, Vec{1, -6}, Vec{0, 3}},
{Vec{1, 2}, Vec{1, 2}, Vec{}},
} {
got := test.v1.Sub(test.v2)
got := Sub(test.v1, test.v2)
if got != test.want {
t.Errorf(
"error: %v - %v: got=%v, want=%v",
@@ -67,7 +67,7 @@ func TestScale(t *testing.T) {
{2, Vec{1, -3}, Vec{2, -6}},
{10, Vec{1, 2}, Vec{10, 20}},
} {
got := test.v.Scale(test.a)
got := Scale(test.a, test.v)
if got != test.want {
t.Errorf(
"error: %v * %v: got=%v, want=%v",
@@ -89,7 +89,7 @@ func TestDot(t *testing.T) {
{Vec{1, 2}, Vec{-0.3, 0.4}, 0.5},
} {
{
got := test.u.Dot(test.v)
got := Dot(test.u, test.v)
if got != test.want {
t.Errorf(
"error: %v · %v: got=%v, want=%v",
@@ -98,7 +98,7 @@ func TestDot(t *testing.T) {
}
}
{
got := test.v.Dot(test.u)
got := Dot(test.v, test.u)
if got != test.want {
t.Errorf(
"error: %v · %v: got=%v, want=%v",
@@ -120,7 +120,7 @@ func TestCross(t *testing.T) {
{Vec{1, 2}, Vec{-4, 5}, 13},
{Vec{1, 2}, Vec{2, 3}, -1},
} {
got := test.v1.Cross(test.v2)
got := Cross(test.v1, test.v2)
if got != test.want {
t.Errorf(
"error: %v × %v = %v, want %v",
@@ -236,7 +236,7 @@ func TestRotate(t *testing.T) {
{Vec{2, 2}, Vec{1, 1}, math.Pi, Vec{0, 0}},
{Vec{2, 2}, Vec{2, 0}, math.Pi, Vec{2, -2}},
} {
got := test.v.Rotate(test.alpha, test.q)
got := Rotate(test.v, test.alpha, test.q)
if !vecApproxEqual(got, test.want) {
t.Errorf(
"rotate(%v, %v, %v)= %v, want=%v",