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Date: Fri, 30 Jan 2009 10:02:36 +0100 (CET)
From: Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject: C++ ambiguous template specialization (cygwin only)
To: cygwin AT cygwin DOT com
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Dear all,
unfortunately I am not too much familiar with C++,
so I have no clue where to look for difference
between Cygwin and all the other platforms where this
problem does not happen.

Only on cygwin, both with gcc-3 and gcc-4, 
the building from last development
sources of octave-3.1.51+  stop here:

../../octave_local/liboctave/oct-inttypes.cc:516:
error: ambiguous template specialization
`mop<octave_int_cmp_op::ne>' for `bool octave         
_int_cmp_op::mop(uint64_t, double)'
../../octave_local/liboctave/oct-inttypes.h: In
function `bool operator<(const double&, const
octave_int<T>&) [with T = uint64_t]':
../../octave_local/liboctave/oct-inttypes.cc:402:  
instantiated from here
../../octave_local/liboctave/oct-inttypes.h:1054:
error: call of overloaded `mop(const double&,
uint64_t)' is ambiguous
../../octave_local/liboctave/oct-inttypes.h:193: note:
candidates are: static bool octave_int_cmp_op::mop(T,
double) [with xop = octave_          int_cmp_op::lt, T
= double]
../../octave_local/liboctave/oct-inttypes.h:198: note:
 static bool octave_int_cmp_op::mop(double, T) [with
xop = octave_int_cmp_op::lt,           T = long long
unsigned int]
../../octave_local/liboctave/oct-inttypes.cc:60: note:
 static bool octave_int_cmp_op::mop(uint64_t, double)
[with xop = octave_int_cmp_          op::lt]
../../octave_local/liboctave/oct-inttypes.cc:80: note:
 static bool octave_int_cmp_op::mop(int64_t, double)
[with xop = octave_int_cmp_o          p::lt]
../../octave_local/liboctave/oct-inttypes.cc:127:
note:  static bool octave_int_cmp_op::mop(double,
uint64_t) [with xop = octave_int_cmp          _op::lt]
../../octave_local/liboctave/oct-inttypes.cc:135:
note:  static bool octave_int_cmp_op::mop(double,
int64_t) [with xop = octave_int_cmp_          op::lt]


Any suggestion ?
Thanks
Marco



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