+++ /dev/null
-// Copyright ©2017 The Gonum Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package c128
-
-import (
- "fmt"
- "testing"
-)
-
-var dotTests = []struct {
- x, y []complex128
- wantu, wantc complex128
- wantuRev, wantcRev complex128
- n int
-}{
- {
- x: []complex128{},
- y: []complex128{},
- n: 0,
- wantu: 0, wantc: 0,
- wantuRev: 0, wantcRev: 0,
- },
- {
- x: []complex128{1 + 1i},
- y: []complex128{1 + 1i},
- n: 1,
- wantu: 0 + 2i, wantc: 2,
- wantuRev: 0 + 2i, wantcRev: 2,
- },
- {
- x: []complex128{1 + 2i},
- y: []complex128{1 + 1i},
- n: 1,
- wantu: -1 + 3i, wantc: 3 - 1i,
- wantuRev: -1 + 3i, wantcRev: 3 - 1i,
- },
- {
- x: []complex128{1 + 2i, 3 + 4i, 5 + 6i, 7 + 8i, 9 + 10i, 11 + 12i, 13 + 14i, 15 + 16i, 17 + 18i, 19 + 20i},
- y: []complex128{1 + 2i, 3 + 4i, 5 + 6i, 7 + 8i, 9 + 10i, 11 + 12i, 13 + 14i, 15 + 16i, 17 + 18i, 19 + 20i},
- n: 10,
- wantu: -210 + 2860i, wantc: 2870 + 0i,
- wantuRev: -210 + 1540i, wantcRev: 1550 + 0i,
- },
- {
- x: []complex128{1 + 1i, 1 + 1i, 1 + 2i, 1 + 1i, 1 + 1i, 1 + 1i, 1 + 3i, 1 + 1i, 1 + 1i, 1 + 4i},
- y: []complex128{1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i},
- n: 10,
- wantu: -22 + 36i, wantc: 42 + 4i,
- wantuRev: -22 + 36i, wantcRev: 42 + 4i,
- },
- {
- x: []complex128{1 + 1i, 1 + 1i, 2 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, 2 + 1i},
- y: []complex128{1 + 2i, 1 + 2i, 1 + 3i, 1 + 2i, 1 + 3i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i},
- n: 10,
- wantu: -10 + 37i, wantc: 34 + 17i,
- wantuRev: -10 + 36i, wantcRev: 34 + 16i,
- },
- {
- x: []complex128{1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, complex(inf, 1), 1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i, 1 + 1i},
- y: []complex128{1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i, 1 + 2i},
- n: 10,
- wantu: complex(inf, inf), wantc: complex(inf, inf),
- wantuRev: complex(inf, inf), wantcRev: complex(inf, inf),
- },
-}
-
-func TestDotcUnitary(t *testing.T) {
- const gd = 1 + 5i
- for i, test := range dotTests {
- for _, align := range align2 {
- prefix := fmt.Sprintf("Test %v (x:%v y:%v)", i, align.x, align.y)
- xgLn, ygLn := 4+align.x, 4+align.y
- xg, yg := guardVector(test.x, gd, xgLn), guardVector(test.y, gd, ygLn)
- x, y := xg[xgLn:len(xg)-xgLn], yg[ygLn:len(yg)-ygLn]
- res := DotcUnitary(x, y)
- if !same(res, test.wantc) {
- t.Errorf(msgVal, prefix, i, res, test.wantc)
- }
- if !isValidGuard(xg, gd, xgLn) {
- t.Errorf(msgGuard, prefix, "x", xg[:xgLn], xg[len(xg)-xgLn:])
- }
- if !isValidGuard(yg, gd, ygLn) {
- t.Errorf(msgGuard, prefix, "y", yg[:ygLn], yg[len(yg)-ygLn:])
- }
- }
- }
-}
-
-func TestDotcInc(t *testing.T) {
- const gd, gdLn = 2 + 5i, 4
- for i, test := range dotTests {
- for _, inc := range newIncSet(1, 2, 5, 10, -1, -2, -5, -10) {
- xg, yg := guardIncVector(test.x, gd, inc.x, gdLn), guardIncVector(test.y, gd, inc.y, gdLn)
- x, y := xg[gdLn:len(xg)-gdLn], yg[gdLn:len(yg)-gdLn]
- want := test.wantc
- var ix, iy int
- if inc.x < 0 {
- ix, want = -inc.x*(test.n-1), test.wantcRev
- }
- if inc.y < 0 {
- iy, want = -inc.y*(test.n-1), test.wantcRev
- }
- prefix := fmt.Sprintf("Test %v (x:%v y:%v) (ix:%v iy:%v)", i, inc.x, inc.y, ix, iy)
- res := DotcInc(x, y, uintptr(test.n), uintptr(inc.x), uintptr(inc.y), uintptr(ix), uintptr(iy))
- if inc.x*inc.y > 0 {
- want = test.wantc
- }
- if !same(res, want) {
- t.Errorf(msgVal, prefix, i, res, want)
- t.Error(x, y)
- }
- checkValidIncGuard(t, xg, gd, inc.x, gdLn)
- checkValidIncGuard(t, yg, gd, inc.y, gdLn)
- }
- }
-}
-
-func TestDotuUnitary(t *testing.T) {
- const gd = 1 + 5i
- for i, test := range dotTests {
- for _, align := range align2 {
- prefix := fmt.Sprintf("Test %v (x:%v y:%v)", i, align.x, align.y)
- xgLn, ygLn := 4+align.x, 4+align.y
- xg, yg := guardVector(test.x, gd, xgLn), guardVector(test.y, gd, ygLn)
- x, y := xg[xgLn:len(xg)-xgLn], yg[ygLn:len(yg)-ygLn]
- res := DotuUnitary(x, y)
- if !same(res, test.wantu) {
- t.Errorf(msgVal, prefix, i, res, test.wantu)
- }
- if !isValidGuard(xg, gd, xgLn) {
- t.Errorf(msgGuard, prefix, "x", xg[:xgLn], xg[len(xg)-xgLn:])
- }
- if !isValidGuard(yg, gd, ygLn) {
- t.Errorf(msgGuard, prefix, "y", yg[:ygLn], yg[len(yg)-ygLn:])
- }
- }
- }
-}
-
-func TestDotuInc(t *testing.T) {
- const gd, gdLn = 1 + 5i, 4
- for i, test := range dotTests {
- for _, inc := range newIncSet(1, 2, 5, 10, -1, -2, -5, -10) {
- prefix := fmt.Sprintf("Test %v (x:%v y:%v)", i, inc.x, inc.y)
- xg, yg := guardIncVector(test.x, gd, inc.x, gdLn), guardIncVector(test.y, gd, inc.y, gdLn)
- x, y := xg[gdLn:len(xg)-gdLn], yg[gdLn:len(yg)-gdLn]
- want := test.wantc
- var ix, iy int
- if inc.x < 0 {
- ix, want = -inc.x*(test.n-1), test.wantuRev
- }
- if inc.y < 0 {
- iy, want = -inc.y*(test.n-1), test.wantuRev
- }
- res := DotuInc(x, y, uintptr(test.n), uintptr(inc.x), uintptr(inc.y), uintptr(ix), uintptr(iy))
- if inc.x*inc.y > 0 {
- want = test.wantu
- }
- if !same(res, want) {
- t.Errorf(msgVal, prefix, i, res, want)
- }
- checkValidIncGuard(t, xg, gd, inc.x, gdLn)
- checkValidIncGuard(t, yg, gd, inc.y, gdLn)
- }
- }
-}
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