[Bug libstdc++/48933] Infinite recursion in tr1/cmath functions with complex parameters

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48933

--- Comment #7 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-05-09 15:38:25 UTC ---
Author: paolo
Date: Mon May  9 15:38:21 2011
New Revision: 173574

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173574
Log:
2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

    PR libstdc++/48933
    * include/c_global/cmath (acosh, asinh, atanh, cbrt, copysign,
    erf, erfc, exp2, expm1, fdim, fma, fmax, hypot, ilogb, lgamma,
    llrint, llround, log1p, log2, logb, lrint, lround, nearbyint,
    nextafter, nexttoward, remainder, remquo, rint, round, scalbln,
    scalbn, tgamma, trunc): Use __enable_if on the return type.
    * include/tr1/cmath: Likewise.
    * testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc: New.
    * testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc: Likewise.

Added:
   
trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc
    trunk/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/c_global/cmath
    trunk/libstdc++-v3/include/tr1/cmath