github.com/mattn/go@v0.0.0-20171011075504-07f7db3ea99f/test/fixedbugs/issue19947.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2017 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // No double error on ideal -> float{32,64} conversion overflow
     8  
     9  package issue19947
    10  
    11  var _ = float32(1) * 1e200 // ERROR "constant 1e\+200 overflows float32"
    12  var _ = float64(1) * 1e500 // ERROR "constant 1e\+500 overflows float64"
    13  
    14  var _ = complex64(1) * 1e200  // ERROR "constant 1e\+200 overflows complex64"
    15  var _ = complex128(1) * 1e500 // ERROR "constant 1e\+500 overflows complex128"