xref: /llvm-project/clang/test/Sema/warn-literal-range.c (revision effd6dd63a65f201b4f8f1be6a025b0608604449)
1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c99 -verify %s
2 
3 float f0 = 0.42f; // no-warning
4 
5 float f1 = 1.4E-46f; // expected-warning {{magnitude of floating-point constant too small for type 'float'; minimum is 1.40129846E-45}}
6 
7 float f2 = 3.4E+39f; // expected-warning {{magnitude of floating-point constant too large for type 'float'; maximum is 3.40282347E+38}}
8 
9 float f3 = 0x4.2p42f; // no-warning
10 
11 float f4 = 0x0.42p-1000f; // expected-warning {{magnitude of floating-point constant too small for type 'float'; minimum is 1.40129846E-45}}
12 
13 float f5 = 0x0.42p+1000f; // expected-warning {{magnitude of floating-point constant too large for type 'float'; maximum is 3.40282347E+38}}
14 
15 double d0 = 0.42; // no-warning
16 
17 double d1 = 3.6E-4952; // expected-warning {{magnitude of floating-point constant too small for type 'double'; minimum is 4.9406564584124654E-324}}
18 
19 double d2 = 1.7E+309; // expected-warning {{magnitude of floating-point constant too large for type 'double'; maximum is 1.7976931348623157E+308}}
20 
21 double d3 = 0x0.42p42; // no-warning
22 
23 double d4 = 0x0.42p-4200; // expected-warning {{magnitude of floating-point constant too small for type 'double'; minimum is 4.9406564584124654E-324}}
24 
25 double d5 = 0x0.42p+4200; // expected-warning {{magnitude of floating-point constant too large for type 'double'; maximum is 1.7976931348623157E+308}}
26 
27 long double ld0 = 0.42L; // no-warning
28 
29 long double ld1 = 3.6E-4952L; // expected-warning {{magnitude of floating-point constant too small for type 'long double'; minimum is 3.64519953188247460253E-4951}}
30 
31 long double ld2 = 1.2E+4932L; // expected-warning {{magnitude of floating-point constant too large for type 'long double'; maximum is 1.18973149535723176502E+4932}}
32 
33 long double ld3 = 0x0.42p42L; // no-warning
34 
35 long double ld4 = 0x0.42p-42000L; // expected-warning {{magnitude of floating-point constant too small for type 'long double'; minimum is 3.64519953188247460253E-4951}}
36 
37 long double ld5 = 0x0.42p+42000L; // expected-warning {{magnitude of floating-point constant too large for type 'long double'; maximum is 1.18973149535723176502E+4932}}
38