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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/strconv/ftoaryu_test.go
parentInitial commit. (diff)
downloadgolang-1.20-upstream.tar.xz
golang-1.20-upstream.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/strconv/ftoaryu_test.go')
-rw-r--r--src/strconv/ftoaryu_test.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/strconv/ftoaryu_test.go b/src/strconv/ftoaryu_test.go
new file mode 100644
index 0000000..9758619
--- /dev/null
+++ b/src/strconv/ftoaryu_test.go
@@ -0,0 +1,31 @@
+// Copyright 2021 The Go 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 strconv_test
+
+import (
+ "math"
+ . "strconv"
+ "testing"
+)
+
+func TestMulByLog2Log10(t *testing.T) {
+ for x := -1600; x <= +1600; x++ {
+ iMath := MulByLog2Log10(x)
+ fMath := int(math.Floor(float64(x) * math.Ln2 / math.Ln10))
+ if iMath != fMath {
+ t.Errorf("mulByLog2Log10(%d) failed: %d vs %d\n", x, iMath, fMath)
+ }
+ }
+}
+
+func TestMulByLog10Log2(t *testing.T) {
+ for x := -500; x <= +500; x++ {
+ iMath := MulByLog10Log2(x)
+ fMath := int(math.Floor(float64(x) * math.Ln10 / math.Ln2))
+ if iMath != fMath {
+ t.Errorf("mulByLog10Log2(%d) failed: %d vs %d\n", x, iMath, fMath)
+ }
+ }
+}