// Copyright 2011 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 http provides HTTP client and server implementations.

[Get], [Head], [Post], and [PostForm] make HTTP (or HTTPS) requests:

	resp, err := http.Get("http://example.com/")
	...
	resp, err := http.Post("http://example.com/upload", "image/jpeg", &buf)
	...

	rdPos int  // Have emitted hist[:rdPos] already
	full  bool // Has a full window length been written yet?
}

// init initializes dictDecoder to have a sliding window dictionary of the given
// size. If a preset dict is provided, it will initialize the dictionary with
// the contents of dict.
func (dd *dictDecoder) init(size int, dict []byte) {
	*dd = dictDecoder{hist: dd.hist}

	if cap(dd.hist) < size {
		dd.hist = make([]byte, size)
	}

//
// The returned Task's [Task.End] method is used to mark the task's end.
// The trace tool measures task latency as the time between task creation
// and when the End method is called, and provides the latency
// distribution per task type.
// If the End method is called multiple times, only the first
// call is used in the latency measurement.
//
//	ctx, task := trace.NewTask(ctx, "awesomeTask")

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package bzip2

import (
	"bufio"
	"io"
)

// bitReader wraps an io.Reader and provides the ability to read values,
// bit-by-bit, from it. Its Read* methods don't return the usual error
// because the error handling was verbose. Instead, any error is kept and can
// be checked afterwards.
type bitReader struct {

// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
//
// Developed at SunPro, a Sun Microsystems, Inc. business.
// Permission to use, copy, modify, and distribute this
// software is freely granted, provided that this notice
// is preserved.
// ====================================================
//
//
// asinh(x)
// Method :
//	Based on
//	        asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ]
//	we have

// IR visitors for walking the IR tree.
//
// The lowest level helpers are DoChildren and EditChildren, which
// nodes help implement and provide control over whether and when
// recursion happens during the walk of the IR.
//
// Although these are both useful directly, two simpler patterns
// are fairly common and also provided: Visit and Any.

package ir

// DoChildren calls do(x) on each of n's non-nil child nodes x.

// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
//
// Developed at SunPro, a Sun Microsystems, Inc. business.
// Permission to use, copy, modify, and distribute this
// software is freely granted, provided that this notice
// is preserved.
// ====================================================
//
//
// double log1p(double x)
//
// Method :
//   1. Argument Reduction: find k and f such that

	const (
		resolved modFlags = 1 << iota // version resolved by 'go get'
		named                         // explicitly named on command line or provides a named package
		hasPkg                        // needed to build named packages
		direct                        // provides a direct dependency of the main module
	)
	relevantMods := make(map[module.Version]modFlags)
	for path, reason := range r.resolvedVersion {

// TestManual is for manual testing of a package - either provided
// as a list of filenames belonging to the package, or a directory
// name containing the package files - after the test arguments
// (and a separating "--"). For instance, to test the package made
// of the files foo.go and bar.go, use:
//
//	go test -run Manual -- foo.go bar.go
//
// If no source arguments are provided, the file testdata/manual.go
// is used instead.

// It then gets wrapped through failf to provide more information.
var errParse = errors.New("parse error")

// errRange is returned by Set if a flag's value is out of range.
// It then gets wrapped through failf to provide more information.
var errRange = errors.New("value out of range")

func numError(err error) error {