From 109be507377fe7f6e8819ac94041d3fdcdf6fd2f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:18:25 +0200 Subject: Adding upstream version 1.19.8. Signed-off-by: Daniel Baumann --- src/strconv/ftoaryu_test.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/strconv/ftoaryu_test.go (limited to 'src/strconv/ftoaryu_test.go') 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) + } + } +} -- cgit v1.2.3