[STDCXX-8] [Intel C++/Linux] LDBL_MIN warning #239: floating point underflow

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.1.2
• Fix Version/s: 4.1.3
• Component/s: 18. Language Support

Environment

Intel C++ 8.1, SUSE Linux ES 9, IA64

• Assignee: Martin Sebor
• Reporter: Martin Sebor
• Created: 31/Jul/05 05:59
• Updated: 02/Apr/08 15:44
• Resolved: 31/Jul/05 08:27

Description

Uses of the LDBL_MIN macro causes Intel C++ 8.1 on Linux IA64 to issue a warning:

$ cat >t.cpp<<EOF && nice make SRCS=t.cpp
> #include <cfloat>
>
> int main ()
>

{ > const long double ldbl_min = LDBL_MIN; > (void)&ldbl_min; > }

> EOF
icc -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG -D_REENTRANT -D_RWSTD_USE_CONFIG -I/build/sebor/icc-8.1-15s/include -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/examples/include -Xc -no_cpprt -g -w1 t.cpp
t.cpp(5): warning #239: floating point underflow
const long double ldbl_min = LDBL_MIN;
^

icc -no_cpprt /nfs/packages/mdx/redhat/ia64/compilers/intel/cc_8.1.030/lib/crtxi.o t.o -o t -lpthread -L/build/sebor/icc-8.1-15s/lib -lstd15s -Bstatic -lcxa -lunwind -Bdynamic /nfs/packages/mdx/redhat/ia64/compilers/intel/cc_8.1.030/lib/crtxn.o -lm

Issue Links

• relates to: STDCXX-565 [Compaq C++ 7.1] floating point underflow warnings compiling library

Sub-Tasks

• LDBL_MIN et al need a test: Open