| /////////////////////////////////////////////////////////////////////////// |
| // |
| // 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 |