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

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📁 ..
📄 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: intmarsh.go

// Copyright 2015 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.

// This file implements encoding/decoding of Ints.

package big

import (
	"bytes"
	"fmt"
)

// Gob codec version. Permits backward-compatible changes to the encoding.
const intGobVersion byte = 1

// GobEncode implements the gob.GobEncoder interface.
func (x *Int) GobEncode() ([]byte, error) {
	if x == nil {
		return nil, nil
	}
	buf := make([]byte, 1+len(x.abs)*_S) // extra byte for version and sign bit
	i := x.abs.bytes(buf) - 1            // i >= 0
	b := intGobVersion << 1              // make space for sign bit
	if x.neg {
		b |= 1
	}
	buf[i] = b
	return buf[i:], nil
}

// GobDecode implements the gob.GobDecoder interface.
func (z *Int) GobDecode(buf []byte) error {
	if len(buf) == 0 {
		// Other side sent a nil or default value.
		*z = Int{}
		return nil
	}
	b := buf[0]
	if b>>1 != intGobVersion {
		return fmt.Errorf("Int.GobDecode: encoding version %d not supported", b>>1)
	}
	z.neg = b&1 != 0
	z.abs = z.abs.setBytes(buf[1:])
	return nil
}

// MarshalText implements the encoding.TextMarshaler interface.
func (x *Int) MarshalText() (text []byte, err error) {
	if x == nil {
		return []byte("<nil>"), nil
	}
	return x.abs.itoa(x.neg, 10), nil
}

// UnmarshalText implements the encoding.TextUnmarshaler interface.
func (z *Int) UnmarshalText(text []byte) error {
	if _, ok := z.setFromScanner(bytes.NewReader(text), 0); !ok {
		return fmt.Errorf("math/big: cannot unmarshal %q into a *big.Int", text)
	}
	return nil
}

// The JSON marshalers are only here for API backward compatibility
// (programs that explicitly look for these two methods). JSON works
// fine with the TextMarshaler only.

// MarshalJSON implements the json.Marshaler interface.
func (x *Int) MarshalJSON() ([]byte, error) {
	if x == nil {
		return []byte("null"), nil
	}
	return x.abs.itoa(x.neg, 10), nil
}

// UnmarshalJSON implements the json.Unmarshaler interface.
func (z *Int) UnmarshalJSON(text []byte) error {
	// Ignore null, like in the main JSON package.
	if string(text) == "null" {
		return nil
	}
	return z.UnmarshalText(text)
}

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Editing: intmarsh.go

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