[ECOS] pow.exe test failure

[ECOS] pow.exe test failure

[Ivan Jakab]

Hi all,

I'm in the process of configuring eCos for a MIPS R3041 based target board
and I reached the point where I managed to execute all the test programs
supplied with the eCos CVS repository. All of them passed except the pow.exe
one which gave me the following output:

Network stack using 65536 bytes for misc space
                    65536 bytes for mbufs
                    131072 bytes for mbuf clusters
CS8900: Init
CS8900: Loopback test passed
CS8900: - type: 630E, rev: 800
INFO:<Starting tests from testcase
//f/Projects/ecoscvs/ecoscvs-working/ecos/pac
kages/language/c/libm/current/tests/vectors/pow.c for Math library pow()
functio
n>
INFO:<Still crunching, please wait...>
Vector #1
FAIL:<error not set correctly> Line: 304, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #11
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #12
FAIL:<error not set correctly> Line: 304, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #16
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #22
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #26
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #31
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #32
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #45
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
Vector #46
FAIL:<Result out of tolerance> Line: 315, File:
//f/Projects/ecoscvs/ecoscvs-wor
king/ecos/packages/language/c/libm/current/tests/vectors/vector_support.h
FAIL:<pow() failed tests> Line: 83, File:
//f/Projects/ecoscvs/ecoscvs-working/e
cos/packages/language/c/libm/current/tests/vectors/pow.c
EXIT:<Finished tests from testcase
//f/Projects/ecoscvs/ecoscvs-working/ecos/pac
kages/language/c/libm/current/tests/vectors/pow.c for Math library pow()
functio
n>


BTW, I have POSIX compatibility selected in my configuration. I looked at
the code and there are some automatically generated vectors in pow.h (the
expected errno value is set also). How come I get the FAIL:<error not set
correctly>? Does this just have to do something with the configuration
settings? Did anyone experience something similar?


Regards,

Ivan

Re: [ECOS] pow.exe test failure

[Jonathan Larmour]

Ivan Jakab wrote:
> 
> Hi all,
> 
> I'm in the process of configuring eCos for a MIPS R3041 based target board
> and I reached the point where I managed to execute all the test programs
> supplied with the eCos CVS repository. All of them passed except the pow.exe
> one which gave me the following output:
> 
> Network stack using 65536 bytes for misc space
>                     65536 bytes for mbufs
>                     131072 bytes for mbuf clusters
> CS8900: Init
> CS8900: Loopback test passed
> CS8900: - type: 630E, rev: 800
> INFO:<Starting tests from testcase
> //f/Projects/ecoscvs/ecoscvs-working/ecos/pac
> kages/language/c/libm/current/tests/vectors/pow.c for Math library pow()
> functio
> n>
> INFO:<Still crunching, please wait...>
> Vector #1
> FAIL:<error not set correctly> Line: 304, File:
[snip]
> 
> BTW, I have POSIX compatibility selected in my configuration. I looked at
> the code and there are some automatically generated vectors in pow.h (the
> expected errno value is set also). How come I get the FAIL:<error not set
> correctly>? Does this just have to do something with the configuration
> settings? Did anyone experience something similar?

This is known to work fine on other MIPS boards, and POSIX compatibility is
the default mode for libm, so I'm afraid I think you'll have to debug it.
I'd recommend recompiling the test without optimization (-O0) otherwise the
inline function in vector_support.h is virtually impossible to debug.

Jifl
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