iu = Float64bits(u)
			k = int((iu >> 52) - 1023)
			c = 0
		}
		iu &= 0x000fffffffffffff
		if iu < 0x0006a09e667f3bcd { // mantissa of Sqrt(2)
			u = Float64frombits(iu | 0x3ff0000000000000) // normalize u
		} else {
			k++
			u = Float64frombits(iu | 0x3fe0000000000000) // normalize u/2
			iu = (0x0010000000000000 - iu) >> 2
		}
		f = u - 1.0 // Sqrt(2)/2 < u < Sqrt(2)
	}
	hfsq := 0.5 * f * f

//
// If v.Kind() != KindFloat64, this method panics.
func (v Value) Float64() float64 {
	if v.kind != KindFloat64 {
		panic("called Float64 on non-float64 metric value")
	}
	return math.Float64frombits(v.scalar)
}

// Float64Histogram returns the internal *Float64Histogram value for the metric.
//
// If v.Kind() != KindFloat64Histogram, this method panics.
func (v Value) Float64Histogram() *Float64Histogram {

	// Like math.Copysign(c, -1), but with integer operations. Useful
	// for platforms that have a copysign opcode to see if it's detected.
	// s390x:"LNDFR\t",-"MOVD\t"     (no integer load/store)
	sink64[2] = math.Float64frombits(math.Float64bits(a) | 1<<63)

	// amd64:"ANDQ","ORQ"
	// s390x:"CPSDR\t",-"MOVD\t"     (no integer load/store)
	// ppc64x:"FCPSGN"
	// riscv64:"FSGNJD"
	sink64[3] = math.Copysign(-1, c)
}

	case reflect.Float64:
		v.SetFloat(math.Float64frombits(d.uint64()))

	case reflect.Complex64:
		v.SetComplex(complex(
			float64(math.Float32frombits(d.uint32())),
			float64(math.Float32frombits(d.uint32())),
		))
	case reflect.Complex128:
		v.SetComplex(complex(
			math.Float64frombits(d.uint64()),
			math.Float64frombits(d.uint64()),
		))
	}
}

		}
		if i >= len(slice) {
			// This is a slice that we only partially allocated.
			growSlice(v, &slice, length)
		}
		real := float64FromBits(state.decodeUint())
		imag := float64FromBits(state.decodeUint())
		slice[i] = complex(real, imag)
	}
	return true
}

func decFloat32Array(state *decoderState, v reflect.Value, length int, ovfl error) bool {

		} else {
			dst.gp_regs[i+3] = uint64(src.Ints[i])
		}
	}
	// Fprs F1..F13 are used to pass float arguments in registers on PPC64
	for i := 0; i < 12; i++ {
		dst.fp_regs[i+1] = math.Float64frombits(src.Floats[i])
	}

}

func loadRegArgs(dst *abi.RegArgs, src *sigcontext) {
	// Gprs R3..R10, R14..R17 are used to pass int arguments in registers on PPC64
	for i := range [12]int{} {
		if i > 7 {

		r >>= 1
	}
	// final rounding
	if ix != 0 { // remainder, result not exact
		q += q & 1 // round according to extra bit
	}
	ix = q>>1 + uint64(exp-1+bias)<<shift // significand + biased exponent
	return Float64frombits(ix)

		fmt.Fprintf(os.Stderr, "%s%d\n", indent, x)
	case tFloat:
		x := deb.uint64()
		fmt.Fprintf(os.Stderr, "%s%g\n", indent, float64FromBits(x))
	case tComplex:
		r := deb.uint64()
		i := deb.uint64()
		fmt.Fprintf(os.Stderr, "%s%g+%gi\n", indent, float64FromBits(r), float64FromBits(i))
	case tBytes:
		x := int(deb.uint64())
		b := make([]byte, x)
		deb.r.Read(b)
		deb.consumed(x)

// the exponent end coming out first, so integer floating point numbers
// (for example) transmit more compactly. This routine does the
// unswizzling.
func float64FromBits(u uint64) float64 {
	v := bits.ReverseBytes64(u)
	return math.Float64frombits(v)
}

// float32FromBits decodes an unsigned integer, treats it as a 32-bit floating-point
// number, and returns it. It's a helper function for float32 and complex64.

	0x10,
	0x1112,
	0x13141516,
	0x1718191a1b1c1d1e,

	math.Float32frombits(0x1f202122),
	math.Float64frombits(0x232425262728292a),
	complex(
		math.Float32frombits(0x2b2c2d2e),
		math.Float32frombits(0x2f303132),
	),
	complex(
		math.Float64frombits(0x333435363738393a),
		math.Float64frombits(0x3b3c3d3e3f404142),
	),

	[4]uint8{0x43, 0x44, 0x45, 0x46},

	true,
	[4]bool{true, false, true, false},
}