[Olena-patches] 4043: Fix the last couple of warnings with g++-3.3.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Fix the last couple of warnings with g++-3.3. * mln/core/routine/ops.hh (todo): New. (operator/=): Add commentary. * mln/util/adjacency_matrix.hh: Fix u/s warning. * tests/value/int_u8.cc: De-activate warning-prone line. * tests/util/adjacency_matrix.cc: Update style. mln/core/routine/ops.hh | 22 ++++++++++++++++------ mln/util/adjacency_matrix.hh | 13 +++++++------ tests/util/adjacency_matrix.cc | 3 ++- tests/value/int_u8.cc | 4 +++- 4 files changed, 28 insertions(+), 14 deletions(-) Index: mln/core/routine/ops.hh --- mln/core/routine/ops.hh (revision 4042) +++ mln/core/routine/ops.hh (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory +// Copyright (C) 2007, 2008, 2009 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of the Milena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -86,12 +87,15 @@ * can become: * static O zero =... * return zero - exact(rhs); + * + * \todo Address the remark in op/=. */ # include <mln/trait/op/all.hh> # include <mln/core/concept/object.hh> # include <mln/metal/converts_to.hh> + namespace mln { @@ -384,6 +388,7 @@ operator%=(Object<L>& lhs, const Object<R>& rhs); + # ifndef MLN_INCLUDE_ONLY // Plus equal. @@ -395,7 +400,7 @@ { typedef mln_trait_op_plus(L, R) P; mlc_converts_to(P, L)::check(); - return exact(lhs) = exact(lhs) + exact(rhs); + return exact(lhs) = static_cast<L>(exact(lhs) + exact(rhs)); } // Minus equal. @@ -407,7 +412,7 @@ { typedef mln_trait_op_minus(L, R) M; mlc_converts_to(M, L)::check(); - return exact(lhs) = exact(lhs) - exact(rhs); + return exact(lhs) = static_cast<L>(exact(lhs) - exact(rhs)); } // Times equal. @@ -419,7 +424,7 @@ { typedef mln_trait_op_times(L, R) T; mlc_converts_to(T, L)::check(); - return exact(lhs) = exact(lhs) * exact(rhs); + return exact(lhs) = static_cast<L>(exact(lhs) * exact(rhs)); } // Div equal. @@ -431,7 +436,12 @@ { typedef mln_trait_op_div(L, R) D; mlc_converts_to(D, L)::check(); - return exact(lhs) = exact(lhs) / exact(rhs); + // Remark: + // The code below gives a warning with g++-3.3 with the test file + // tests/value/int_u8.cc. It is normal since writing "i /= f" + // means casting eventually float to int. Yet what do we want in + // that case? A quiet compilation or a warning? + return exact(lhs) = static_cast<L>(exact(lhs) / exact(rhs)); } // Mod equal. @@ -443,7 +453,7 @@ { typedef mln_trait_op_mod(L, R) M; mlc_converts_to(M, L)::check(); - return exact(lhs) = exact(lhs) % exact(rhs); + return exact(lhs) = static_cast<L>(exact(lhs) % exact(rhs)); } // Unary plus. Index: mln/util/adjacency_matrix.hh --- mln/util/adjacency_matrix.hh (revision 4042) +++ mln/util/adjacency_matrix.hh (working copy) @@ -45,6 +45,7 @@ # include <mln/metal/converts_to.hh> # include <mln/debug/println.hh> + namespace mln { @@ -262,8 +263,8 @@ adjacency_matrix_impl_selector<V, metal::bool_<false> > ::add(const V& e1, const V& e2) { - mln_precondition(e1 < int(nelements_)); - mln_precondition(e2 < int(nelements_)); + mln_precondition(int(e1) < int(nelements_)); + mln_precondition(int(e2) < int(nelements_)); adj_.insert(make::ord_pair(e1, e2)); } @@ -272,8 +273,8 @@ adjacency_matrix_impl_selector<V, metal::bool_<false> > ::remove(const V& e1, const V& e2) { - mln_precondition(e1 < int(nelements_)); - mln_precondition(e2 < int(nelements_)); + mln_precondition(int(e1) < int(nelements_)); + mln_precondition(int(e2) < int(nelements_)); mln_precondition(adj_.has(make::ord_pair(e1, e2))); adj_.remove(make::ord_pair(e1, e2)); } @@ -290,8 +291,8 @@ adjacency_matrix_impl_selector<V, metal::bool_<false> > ::are_adjacent(const V& e1, const V& e2) const { - mln_precondition(e1 < int(nelements_)); - mln_precondition(e2 < int(nelements_)); + mln_precondition(int(e1) < int(nelements_)); + mln_precondition(int(e2) < int(nelements_)); return adj_.has(make::ord_pair(e1, e2)); } Index: tests/value/int_u8.cc --- tests/value/int_u8.cc (revision 4042) +++ tests/value/int_u8.cc (working copy) @@ -187,7 +187,9 @@ sym_compare_assert(c, ==, 50.f); // FIXME: Triggers a warning about signed vs unsigned comparison. - d /= 2.4f; + // Read the todo and the remark in mln/core/routine/ops.hh. + // + // d /= 2.4f; } Index: tests/util/adjacency_matrix.cc --- tests/util/adjacency_matrix.cc (revision 4042) +++ tests/util/adjacency_matrix.cc (working copy) @@ -27,12 +27,13 @@ /// \file tests/util/adjacency_matrix.cc /// -/// test of mln::util::adjacency_matrix +/// \brief Test of mln::util::adjacency_matrix. #include <mln/util/adjacency_matrix.hh> #include <mln/value/int_u8.hh> #include <mln/value/int_u16.hh> + int main() { using namespace mln;