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Current Path: /opt/golang/1.19.4/src/math/big

opt / golang / 1.19.4 / src / math / big /

📁 ..
📄 accuracy_string.go(414 B)
📄 alias_test.go(8.81 KB)
📄 arith.go(8.28 KB)
📄 arith_386.s(4.07 KB)
📄 arith_amd64.go(306 B)
📄 arith_amd64.s(9.09 KB)
📄 arith_arm.s(4.03 KB)
📄 arith_arm64.s(11.88 KB)
📄 arith_decl.go(594 B)
📄 arith_decl_pure.go(1.04 KB)
📄 arith_decl_s390x.go(531 B)
📄 arith_loong64.s(745 B)
📄 arith_mips64x.s(817 B)
📄 arith_mipsx.s(809 B)
📄 arith_ppc64x.s(16.36 KB)
📄 arith_riscv64.s(786 B)
📄 arith_s390x.s(20.32 KB)
📄 arith_s390x_test.go(812 B)
📄 arith_test.go(19.88 KB)
📄 arith_wasm.s(641 B)
📄 bits_test.go(5.07 KB)
📄 calibrate_test.go(4.63 KB)
📄 decimal.go(6.63 KB)
📄 decimal_test.go(3.33 KB)
📄 doc.go(3.79 KB)
📄 example_rat_test.go(1.68 KB)
📄 example_test.go(4.05 KB)
📄 float.go(44.28 KB)
📄 float_test.go(51.94 KB)
📄 floatconv.go(8.34 KB)
📄 floatconv_test.go(24.27 KB)
📄 floatexample_test.go(3.63 KB)
📄 floatmarsh.go(3.53 KB)
📄 floatmarsh_test.go(3.92 KB)
📄 ftoa.go(13.55 KB)
📄 gcd_test.go(2.16 KB)
📄 hilbert_test.go(2.88 KB)
📄 int.go(30.26 KB)
📄 int_test.go(53.14 KB)
📄 intconv.go(6.69 KB)
📄 intconv_test.go(10.01 KB)
📄 intmarsh.go(2.14 KB)
📄 intmarsh_test.go(3.07 KB)
📄 link_test.go(1.4 KB)
📄 nat.go(26.73 KB)
📄 nat_test.go(23.56 KB)
📄 natconv.go(14.55 KB)
📄 natconv_test.go(16.85 KB)
📄 natdiv.go(34.15 KB)
📄 prime.go(10.34 KB)
📄 prime_test.go(7.1 KB)
📄 rat.go(13.47 KB)
📄 rat_test.go(18.89 KB)
📄 ratconv.go(9.78 KB)
📄 ratconv_test.go(15.75 KB)
📄 ratmarsh.go(2.1 KB)
📄 ratmarsh_test.go(3.3 KB)
📄 roundingmode_string.go(501 B)
📄 sqrt.go(2.79 KB)
📄 sqrt_test.go(4.81 KB)

Editing: link_test.go

// Copyright 2020 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 big

import (
	"bytes"
	"internal/testenv"
	"os"
	"os/exec"
	"path/filepath"
	"testing"
)

// Tests that the linker is able to remove references to Float, Rat,
// and Int if unused (notably, not used by init).
func TestLinkerGC(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping in short mode")
	}
	t.Parallel()
	tmp := t.TempDir()
	goBin := testenv.GoToolPath(t)
	goFile := filepath.Join(tmp, "x.go")
	file := []byte(`package main
import _ "math/big"
func main() {}
`)
	if err := os.WriteFile(goFile, file, 0644); err != nil {
		t.Fatal(err)
	}
	cmd := exec.Command(goBin, "build", "-o", "x.exe", "x.go")
	cmd.Dir = tmp
	if out, err := cmd.CombinedOutput(); err != nil {
		t.Fatalf("compile: %v, %s", err, out)
	}

cmd = exec.Command(goBin, "tool", "nm", "x.exe")
	cmd.Dir = tmp
	nm, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("nm: %v, %s", err, nm)
	}
	const want = "runtime.main"
	if !bytes.Contains(nm, []byte(want)) {
		// Test the test.
		t.Errorf("expected symbol %q not found", want)
	}
	bad := []string{
		"math/big.(*Float)",
		"math/big.(*Rat)",
		"math/big.(*Int)",
	}
	for _, sym := range bad {
		if bytes.Contains(nm, []byte(sym)) {
			t.Errorf("unexpected symbol %q found", sym)
		}
	}
	if t.Failed() {
		t.Logf("Got: %s", nm)
	}
}

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Editing: link_test.go

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