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Re: warning in modfl

OK.. how about this patch and the changelog entry?

OK to commit?

2013-11-18  Joel Sherrill <>

        * libm/common/modfl.c: Remove warning.

On 11/18/2013 12:37 PM, Craig Howland wrote:
> On 11/18/2013 01:13 PM, Joel Sherrill wrote:
>> Hi
>> Any thoughts on how to fix this warning?
>> ../../../../../newlib-cvs/src/newlib/libm/common/modfl.c: In function
>> 'modfl':
>> ../../../../../newlib-cvs/src/newlib/libm/common/modfl.c:39:3: warning:
>> passing argument 2 of 'modf' from incompatible pointer type [enabled by
>> default]
>>     return modf(x, iptr);
>>     ^
>> In file included from
>> ../../../../../newlib-cvs/src/newlib/libm/common/modfl.c:31:0:
>> /users/joel/test-gcc/newlib-cvs/src/newlib/libc/include/math.h:114:15:
>> note: expected 'double *' but argument is of type 'long double *'
>>   extern double modf _PARAMS((double, double *));
> This file is dedicated for long double=double, so just a cast:
>    return modf(x, (double *) iptr);

Joel Sherrill, Ph.D.             Director of Research & Development        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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Attachment: modfl.diff
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