/////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas // Digital Ltd. LLC // // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Industrial Light & Magic nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // /////////////////////////////////////////////////////////////////////////// // Primary authors: // Florian Kainz <kainz@ilm.com> // Rod Bogart <rgb@ilm.com> #ifndef INCLUDED_HALF_LIMITS_H #define INCLUDED_HALF_LIMITS_H //------------------------------------------------------------------------ // // C++ standard library-style numeric_limits for class half // //------------------------------------------------------------------------ #include <limits> #include "half.h" namespace std { template <> class numeric_limits <half> { public: static const bool is_specialized = true; static half min () throw () {return HALF_NRM_MIN;} static half max () throw () {return HALF_MAX;} static const int digits = HALF_MANT_DIG; static const int digits10 = HALF_DIG; static const bool is_signed = true; static const bool is_integer = false; static const bool is_exact = false; static const int radix = HALF_RADIX; static half epsilon () throw () {return HALF_EPSILON;} static half round_error () throw () {return HALF_EPSILON / 2;} static const int min_exponent = HALF_MIN_EXP; static const int min_exponent10 = HALF_MIN_10_EXP; static const int max_exponent = HALF_MAX_EXP; static const int max_exponent10 = HALF_MAX_10_EXP; static const bool has_infinity = true; static const bool has_quiet_NaN = true; static const bool has_signaling_NaN = true; static const float_denorm_style has_denorm = denorm_present; static const bool has_denorm_loss = false; static half infinity () throw () {return half::posInf();} static half quiet_NaN () throw () {return half::qNan();} static half signaling_NaN () throw () {return half::sNan();} static half denorm_min () throw () {return HALF_MIN;} static const bool is_iec559 = false; static const bool is_bounded = false; static const bool is_modulo = false; static const bool traps = true; static const bool tinyness_before = false; static const float_round_style round_style = round_to_nearest; }; } // namespace std #endif