"Alloc": {nz, le(1e10)}, "TotalAlloc": {nz, le(1e11)}, "Sys": {nz, le(1e10)},
		"Lookups": {eq(uint64(0))}, "Mallocs": {nz, le(1e10)}, "Frees": {nz, le(1e10)},
		"HeapAlloc": {nz, le(1e10)}, "HeapSys": {nz, le(1e10)}, "HeapIdle": {le(1e10)},
		"HeapInuse": {nz, le(1e10)}, "HeapReleased": {le(1e10)}, "HeapObjects": {nz, le(1e10)},
		"StackInuse": {nz, le(1e10)}, "StackSys": {nz, le(1e10)},

							{Offset: 1e10, Length: 1e10 - 100},
							{Offset: 2e10, Length: 1e10 - 100},
							{Offset: 3e10, Length: 1e10 - 100},
							{Offset: 4e10, Length: 1e10 - 100},
							{Offset: 5e10, Length: 1e10 - 100},
						},
					}, nil},
					testReadFrom{fileOps{
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),

		{"0e100", 0},
		{"-0e+100", -zero_},
		{"+0e-100", 0},
		{"0E100", 0},
		{"-0E+100", -zero_},
		{"+0E-100", 0},

		// various decimal exponent formats
		{"1.e10", 1e10},
		{"1e+10", 1e10},
		{"+1e-10", 1e-10},
		{"1E10", 1e10},
		{"1.E+10", 1e10},
		{"+1E-10", 1e-10},

		// infinities
		{"Inf", inf},
		{"+Inf", inf},
		{"-Inf", -inf},
		{"inf", inf},
		{"+inf", inf},
		{"-inf", -inf},

// Expects to see error messages on 'p' exponents
// for non-hexadecimal floats.

package main

import "fmt"

const (
	x1 = 1.1    // float
	x2 = 1e10   // float
	x3 = 0x1e10 // integer (e is a hex digit)
)

const x4 = 0x1p10 // valid hexadecimal float
const x5 = 1p10   // ERROR "'p' exponent requires hexadecimal mantissa|invalid prefix"
const x6 = 0P0    // ERROR "'P' exponent requires hexadecimal mantissa|invalid prefix"

// Issue #43480: ICE on large uint64 constants in switch cases.

package main

func isPow10(x uint64) bool {
	switch x {
	case 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
		1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19:
		return true
	}
	return false
}

func main() {
	var x uint64 = 1

	for {
		if !isPow10(x) || isPow10(x-1) || isPow10(x+1) {
			panic(x)
		}

	_ int64 = 1e1000     // ERROR "integer too large|truncated to int64|truncated"
	_ int64 = 1e100      // ERROR "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 overflows|truncated to int64|truncated"
	_ int64 = 1e10
	_ int64 = 1e1
	_ int64 = 1e0
	_ int64 = 1e-1       // ERROR "0\.1 truncated|.* truncated to int64|truncated"

	ct(reflect.TypeOf(uintptr(0)), 0, 1, 5),
	ct(reflect.TypeOf(string("")), "", "a", "ab"),
	ct(reflect.TypeOf(float32(0)), math.NaN(), math.Inf(-1), -1e10, 0, 1e10, math.Inf(1)),
	ct(reflect.TypeOf(float64(0)), math.NaN(), math.Inf(-1), -1e10, 0, 1e10, math.Inf(1)),
	ct(reflect.TypeOf(complex64(0+1i)), -1-1i, -1+0i, -1+1i, 0-1i, 0+0i, 0+1i, 1-1i, 1+0i, 1+1i),

var pow10tab = [...]float64{
	1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
	1e20, 1e21, 1e22, 1e23, 1e24, 1e25, 1e26, 1e27, 1e28, 1e29,
	1e30, 1e31,
}

// pow10postab32 stores the pre-computed value for 10**(i*32) at index i.
var pow10postab32 = [...]float64{
	1e00, 1e32, 1e64, 1e96, 1e128, 1e160, 1e192, 1e224, 1e256, 1e288,
}

	var f00 float32 = 3.14159
	var f01 float32 = -3.14159
	var f02 float32 = +3.14159
	var f03 float32 = 0.0
	var f04 float32 = .0
	var f05 float32 = 0.
	var f06 float32 = -0.0
	var f07 float32 = 1e10
	var f08 float32 = -1e10
	var f09 float32 = 1e-10
	var f10 float32 = 1e+10
	var f11 float32 = 1.e-10
	var f12 float32 = 1.e+10
	var f13 float32 = .1e-10
	var f14 float32 = .1e+10
	var f15 float32 = 1.1e-10

	}
	return bits, overflow
}

// Exact powers of 10.
var float64pow10 = []float64{
	1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
	1e20, 1e21, 1e22,
}
var float32pow10 = []float32{1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10}

// If possible to convert decimal representation to 64-bit float f exactly,