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#! /bin/bash -e
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
# SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
# SPDX-FileContributor: 2003-22 Bradley M. Bell
# ----------------------------------------------------------------------------
if [ ! -e ../include/cppad/configure.hpp ]
then
echo 'numeric_limits.sh: must first run bin/run_cmake.sh'
echo 'from parent directory.'
exit 1
fi
cat << EOF
This is not a bug, but rather a test of specialization of numeric_limits
for AD types.
EOF
cat << EOF > bug.$$
# include <cppad/cppad.hpp>
/*!
\\def CPPAD_STD_NUMERIC_LIMITS(Other, Base)
This macro defines the specialization std::numeric_limits<Base>
to have the same values and functions as the existing specialization
std::numeric_limits<Other>.
*/
# define CPPAD_STD_NUMERIC_LIMITS(Other, Base) \\
namespace std {\\
template <> class numeric_limits<Base>\\
{\\
public:\\
static const bool is_specialized =\\
numeric_limits<Other>::is_specialized;\\
static const bool is_signed =\\
numeric_limits<Other>::is_signed;\\
static const bool is_integer =\\
numeric_limits<Other>::is_integer;\\
static const bool is_exact =\\
numeric_limits<Other>::is_exact;\\
static const bool has_infinity =\\
numeric_limits<Other>::has_infinity;\\
static const bool has_quiet_NaN =\\
numeric_limits<Other>::has_quiet_NaN;\\
static const bool has_signaling_NaN =\\
numeric_limits<Other>::has_signaling_NaN;\\
static const bool has_denorm_loss =\\
numeric_limits<Other>::has_denorm_loss;\\
static const bool is_iec559 =\\
numeric_limits<Other>::is_iec559;\\
static const bool is_bounded =\\
numeric_limits<Other>::is_bounded;\\
static const bool is_modulo =\\
numeric_limits<Other>::is_modulo;\\
static const bool traps =\\
numeric_limits<Other>::traps;\\
static const bool tinyness_before =\\
numeric_limits<Other>::tinyness_before;\\
static const int digits =\\
numeric_limits<Other>::digits;\\
static const int digits10 =\\
numeric_limits<Other>::digits10;\\
static const int radix =\\
numeric_limits<Other>::radix;\\
static const int min_exponent =\\
numeric_limits<Other>::min_exponent;\\
static const int min_exponent10 =\\
numeric_limits<Other>::min_exponent10;\\
static const int max_exponent =\\
numeric_limits<Other>::max_exponent;\\
static const int max_exponent10 =\\
numeric_limits<Other>::max_exponent10;\\
static const Base min(void)\\
{ return static_cast<Base>( numeric_limits<Other>::min() ); }\\
static const Base max(void)\\
{ return static_cast<Base>( numeric_limits<Other>::max() ); }\\
static const Base epsilon(void)\\
{ return static_cast<Base>( numeric_limits<Other>::epsilon() ); }\\
static const Base round_error(void)\\
{ return static_cast<Base>( numeric_limits<Other>::round_error() ); }\\
static const Base infinity(void)\\
{ return static_cast<Base>( numeric_limits<Other>::infinity() ); }\\
static const Base quiet_NaN(void)\\
{ return static_cast<Base>( numeric_limits<Other>::quiet_NaN() ); }\\
static const Base signaling_NaN(void)\\
{ return static_cast<Base>( numeric_limits<Other>::signaling_NaN() ); }\\
static const Base denorm_min(void)\\
{ return static_cast<Base>( numeric_limits<Other>::denorm_min() ); }\\
static const float_denorm_style has_denorm =\\
numeric_limits<Other>::has_denorm;\\
static const float_round_style round_style =\\
numeric_limits<Other>::round_style;\\
};\\
}
CPPAD_STD_NUMERIC_LIMITS(double, CppAD::AD<double>)
# define PRINT_VAL(name) \\
std::cout << #name << " = " \\
<< std::numeric_limits< CppAD::AD<double> >::name << std::endl;
# define PRINT_FUN(name) \\
std::cout << #name << " = " \\
<< std::numeric_limits< CppAD::AD<double> >::name() << std::endl;
int main(void)
{ bool ok = true;
//
PRINT_VAL(is_specialized)
PRINT_VAL(is_signed)
PRINT_VAL(is_integer)
PRINT_VAL(is_exact)
PRINT_VAL(has_infinity)
PRINT_VAL(has_quiet_NaN)
PRINT_VAL(has_signaling_NaN)
PRINT_VAL(has_denorm_loss)
PRINT_VAL(is_iec559)
PRINT_VAL(is_bounded)
PRINT_VAL(is_modulo)
PRINT_VAL(traps)
PRINT_VAL(tinyness_before)
// int
PRINT_VAL(digits)
PRINT_VAL(digits10)
PRINT_VAL(radix)
PRINT_VAL(min_exponent)
PRINT_VAL(min_exponent10)
PRINT_VAL(max_exponent)
PRINT_VAL(max_exponent10)
// function
PRINT_FUN(min)
PRINT_FUN(max)
PRINT_FUN(epsilon)
PRINT_FUN(round_error)
PRINT_FUN(infinity)
PRINT_FUN(quiet_NaN)
PRINT_FUN(signaling_NaN)
PRINT_FUN(denorm_min)
// other
PRINT_VAL(has_denorm)
PRINT_VAL(round_style)
// C++11 only
// PRINT_VAL(max_digits10)
// PRINT_FUN(lowest)
//
if( ok )
return 0;
return 1;
}
EOF
# -----------------------------------------------------------------------------
if [ ! -e build ]
then
mkdir build
fi
cd build
echo "$0"
name=`echo $0 | sed -e 's|.*/||' -e 's|\..*||'`
mv ../bug.$$ $name.cpp
echo "g++ -I../.. --std=c++11 -g $name.cpp -o $name"
g++ -I../.. --std=c++11 -g $name.cpp -o $name
#
echo "./$name"
if ! ./$name
then
echo
echo "$name.sh: Error"
exit 1
fi
echo
echo "$name.sh: OK"
exit 0
|
