oldMode := z.mode

	b := buf[1]
	z.mode = RoundingMode((b >> 5) & 7)
	z.acc = Accuracy((b>>3)&3) - 1
	z.form = form((b >> 1) & 3)
	z.neg = b&1 != 0
	z.prec = byteorder.BeUint32(buf[2:])

	if z.form == finite {
		if len(buf) < 10 {
			return errors.New("Float.GobDecode: buffer too small for finite form float")
		}
		z.exp = int32(byteorder.BeUint32(buf[6:]))
		z.mant = z.mant.setBytes(buf[10:])
	}

	switch form {
	default:
		return fmt.Errorf("unknown form %d", form)
	case 1, 2:
		d.form = form
		d.neg = negative
		return nil
	case 0:
	}
	d.form = form
	d.neg = negative
	d.exponent = exponent

	// This isn't strictly correct, as the extra bytes could be all zero,
	// ignore this for this test.
	if len(coefficient) > 16 {
		return fmt.Errorf("coefficient too large")
	}

		t.Errorf(`req.PostFormValue("z") = %q, want "post"`, bz)
	}
	if qs := req.Form["q"]; !reflect.DeepEqual(qs, []string{"foo", "bar"}) {
		t.Errorf(`req.Form["q"] = %q, want ["foo", "bar"]`, qs)
	}
	if both := req.Form["both"]; !reflect.DeepEqual(both, []string{"y", "x"}) {
		t.Errorf(`req.Form["both"] = %q, want ["y", "x"]`, both)
	}
	if prio := req.FormValue("prio"); prio != "2" {

	// maximum supported STS session policy size
	maxSTSSessionPolicySize = 2048
)

type stsClaims map[string]interface{}

func (c stsClaims) populateSessionPolicy(form url.Values) error {
	if len(form) == 0 {
		return nil
	}

	sessionPolicyStr := form.Get(stsPolicy)
	if len(sessionPolicyStr) == 0 {
		return nil
	}

	sessionPolicy, err := policy.ParseConfig(bytes.NewReader([]byte(sessionPolicyStr)))

      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,

      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,

	for k, v := range req.Form {
		if !defaultSigParams.Contains(k) {
			query[k] = v
		}
	}

	// Get the encoded query.
	encodedQuery := query.Encode()

	// Verify if date query is same.
	if req.Form.Get(xhttp.AmzDate) != query.Get(xhttp.AmzDate) {
		return ErrSignatureDoesNotMatch
	}
	// Verify if expires query is same.
	if req.Form.Get(xhttp.AmzExpires) != query.Get(xhttp.AmzExpires) {

	// domain name.
	Host string

	// Form contains the parsed form data, including both the URL
	// field's query parameters and the PATCH, POST, or PUT form data.
	// This field is only available after ParseForm is called.
	// The HTTP client ignores Form and uses Body instead.
	Form url.Values

	// PostForm contains the parsed form data from PATCH, POST
	// or PUT body parameters.
	//

	{as: AFTSQRT, a1: C_FREG, a6: C_U15CON, type_: 93, size: 4},                     /* floating test for sw square root, x-form */
	{as: ACOPY, a1: C_REG, a6: C_REG, type_: 92, size: 4},                           /* copy/paste facility, x-form */
	{as: ADARN, a1: C_U15CON, a6: C_REG, type_: 92, size: 4},                        /* deliver random number, x-form */

      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,