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go/test/float_lit.go
Alan Donovan 052c942e20 test: ensure all failing tests exit nonzero.
Previously merely printing an error would cause the golden
file comparison (in 'bash run') to fail, but that is no longer
the case with the new run.go driver.

R=iant
CC=golang-dev
https://golang.org/cl/7310087
2013-02-12 13:17:49 -05:00

204 lines
4.0 KiB
Go

// run
// Copyright 2009 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.
// Test floating-point literal syntax.
package main
var bad bool
func pow10(pow int) float64 {
if pow < 0 {
return 1 / pow10(-pow)
}
if pow > 0 {
return pow10(pow-1) * 10
}
return 1
}
func close(da float64, ia, ib int64, pow int) bool {
db := float64(ia) / float64(ib)
db *= pow10(pow)
if da == 0 || db == 0 {
if da == 0 && db == 0 {
return true
}
return false
}
de := (da - db) / da
if de < 0 {
de = -de
}
if de < 1e-14 {
return true
}
if !bad {
println("BUG")
bad = true
}
return false
}
func main() {
if !close(0., 0, 1, 0) {
print("0. is ", 0., "\n")
}
if !close(+10., 10, 1, 0) {
print("+10. is ", +10., "\n")
}
if !close(-210., -210, 1, 0) {
print("-210. is ", -210., "\n")
}
if !close(.0, 0, 1, 0) {
print(".0 is ", .0, "\n")
}
if !close(+.01, 1, 100, 0) {
print("+.01 is ", +.01, "\n")
}
if !close(-.012, -12, 1000, 0) {
print("-.012 is ", -.012, "\n")
}
if !close(0.0, 0, 1, 0) {
print("0.0 is ", 0.0, "\n")
}
if !close(+10.01, 1001, 100, 0) {
print("+10.01 is ", +10.01, "\n")
}
if !close(-210.012, -210012, 1000, 0) {
print("-210.012 is ", -210.012, "\n")
}
if !close(0E+1, 0, 1, 0) {
print("0E+1 is ", 0E+1, "\n")
}
if !close(+10e2, 10, 1, 2) {
print("+10e2 is ", +10e2, "\n")
}
if !close(-210e3, -210, 1, 3) {
print("-210e3 is ", -210e3, "\n")
}
if !close(0E-1, 0, 1, 0) {
print("0E-1 is ", 0E-1, "\n")
}
if !close(+0e23, 0, 1, 1) {
print("+0e23 is ", +0e23, "\n")
}
if !close(-0e345, 0, 1, 1) {
print("-0e345 is ", -0e345, "\n")
}
if !close(0E1, 0, 1, 1) {
print("0E1 is ", 0E1, "\n")
}
if !close(+10e23, 10, 1, 23) {
print("+10e23 is ", +10e23, "\n")
}
if !close(-210e34, -210, 1, 34) {
print("-210e34 is ", -210e34, "\n")
}
if !close(0.E1, 0, 1, 1) {
print("0.E1 is ", 0.E1, "\n")
}
if !close(+10.e+2, 10, 1, 2) {
print("+10.e+2 is ", +10.e+2, "\n")
}
if !close(-210.e-3, -210, 1, -3) {
print("-210.e-3 is ", -210.e-3, "\n")
}
if !close(.0E1, 0, 1, 1) {
print(".0E1 is ", .0E1, "\n")
}
if !close(+.01e2, 1, 100, 2) {
print("+.01e2 is ", +.01e2, "\n")
}
if !close(-.012e3, -12, 1000, 3) {
print("-.012e3 is ", -.012e3, "\n")
}
if !close(0.0E1, 0, 1, 0) {
print("0.0E1 is ", 0.0E1, "\n")
}
if !close(+10.01e2, 1001, 100, 2) {
print("+10.01e2 is ", +10.01e2, "\n")
}
if !close(-210.012e3, -210012, 1000, 3) {
print("-210.012e3 is ", -210.012e3, "\n")
}
if !close(0.E+12, 0, 1, 0) {
print("0.E+12 is ", 0.E+12, "\n")
}
if !close(+10.e23, 10, 1, 23) {
print("+10.e23 is ", +10.e23, "\n")
}
if !close(-210.e33, -210, 1, 33) {
print("-210.e33 is ", -210.e33, "\n")
}
if !close(.0E-12, 0, 1, 0) {
print(".0E-12 is ", .0E-12, "\n")
}
if !close(+.01e23, 1, 100, 23) {
print("+.01e23 is ", +.01e23, "\n")
}
if !close(-.012e34, -12, 1000, 34) {
print("-.012e34 is ", -.012e34, "\n")
}
if !close(0.0E12, 0, 1, 12) {
print("0.0E12 is ", 0.0E12, "\n")
}
if !close(+10.01e23, 1001, 100, 23) {
print("+10.01e23 is ", +10.01e23, "\n")
}
if !close(-210.012e33, -210012, 1000, 33) {
print("-210.012e33 is ", -210.012e33, "\n")
}
if !close(0.E123, 0, 1, 123) {
print("0.E123 is ", 0.E123, "\n")
}
if !close(+10.e+23, 10, 1, 23) {
print("+10.e+234 is ", +10.e+234, "\n")
}
if !close(-210.e-35, -210, 1, -35) {
print("-210.e-35 is ", -210.e-35, "\n")
}
if !close(.0E123, 0, 1, 123) {
print(".0E123 is ", .0E123, "\n")
}
if !close(+.01e29, 1, 100, 29) {
print("+.01e29 is ", +.01e29, "\n")
}
if !close(-.012e29, -12, 1000, 29) {
print("-.012e29 is ", -.012e29, "\n")
}
if !close(0.0E123, 0, 1, 123) {
print("0.0E123 is ", 0.0E123, "\n")
}
if !close(+10.01e31, 1001, 100, 31) {
print("+10.01e31 is ", +10.01e31, "\n")
}
if !close(-210.012e19, -210012, 1000, 19) {
print("-210.012e19 is ", -210.012e19, "\n")
}
if bad {
panic("float_lit")
}
}