124 lines
9.2 KiB
C++
124 lines
9.2 KiB
C++
//
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// Created by medusa on 6/14/25.
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//
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#ifndef FENNEC_METAPROGRAMMING_FLOAT_H
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#define FENNEC_METAPROGRAMMING_FLOAT_H
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#include <iosfwd>
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inline void float_h()
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{
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std::ofstream out("float.h");
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out << "// =====================================================================================================================" << std::endl;
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out << "// fennec, a free and open source game engine" << std::endl;
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out << "// Copyright © 2025 Medusa Slockbower" << std::endl;
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out << "//" << std::endl;
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out << "// This program is free software: you can redistribute it and/or modify" << std::endl;
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out << "// it under the terms of the GNU General Public License as published by" << std::endl;
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out << "// the Free Software Foundation, either version 3 of the License, or" << std::endl;
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out << "// (at your option) any later version." << std::endl;
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out << "//" << std::endl;
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out << "// This program is distributed in the hope that it will be useful," << std::endl;
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out << "// but WITHOUT ANY WARRANTY; without even the implied warranty of" << std::endl;
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out << "// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the" << std::endl;
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out << "// GNU General Public License for more details." << std::endl;
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out << "//" << std::endl;
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out << "// You should have received a copy of the GNU General Public License" << std::endl;
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out << "// along with this program. If not, see <https://www.gnu.org/licenses/>." << std::endl;
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out << "// =====================================================================================================================" << std::endl;
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out << "" << std::endl;
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out << "///" << std::endl;
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out << "/// \\file float.h" << std::endl;
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out << "/// \\brief metaprogramming floating point type info" << std::endl;
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out << "///" << std::endl;
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out << "///" << std::endl;
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out << "/// \\details this file is automatically generated for the current build environment" << std::endl;
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out << "///" << std::endl;
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out << "/// \\copyright Copyright © 2025 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))" << std::endl;
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out << "///" << std::endl;
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out << "///" << std::endl;
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out << "" << std::endl;
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out << "#ifndef FENNEC_LANG_FLOAT_H" << std::endl;
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out << "#define FENNEC_LANG_FLOAT_H" << std::endl;
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out << "" << std::endl;
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out << "#include <fennec/lang/bits.h>" << std::endl;
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out << "" << std::endl;
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// TODO: Fix this to generate info without using the c++stdlib for platforms without this available.
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out << "#define FLT_HAS_INFINITY " << std::dec << std::numeric_limits<float>::has_infinity << std::endl;
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out << "#define FLT_HAS_QUIET_NAN " << std::dec << std::numeric_limits<float>::has_quiet_NaN << std::endl;
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out << "#define FLT_HAS_SIGNALING_NAN " << std::dec << std::numeric_limits<float>::has_signaling_NaN << std::endl;
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out << "#define FLT_HAS_DENORM " << std::dec << std::numeric_limits<float>::has_denorm << std::endl;
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out << "#define FLT_HAS_DENORM_LOSS " << std::dec << std::numeric_limits<float>::has_denorm_loss << std::endl;
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out << "#define FLT_ROUNDS " << std::dec << std::numeric_limits<float>::round_style << std::endl;
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out << "#define FLT_IS_IEC559 " << std::dec << std::numeric_limits<float>::is_iec559 << std::endl;
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out << "#define FLT_MANT_DIG " << std::dec << std::numeric_limits<float>::digits << std::endl;
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out << "#define FLT_DIG " << std::dec << std::numeric_limits<float>::digits10 << std::endl;
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out << "#define FLT_DECIMAL_DIG " << std::dec << std::numeric_limits<float>::max_digits10 << std::endl;
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out << "#define FLT_RADIX " << std::dec << std::numeric_limits<float>::radix << std::endl;
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out << "#define FLT_MIN_EXP " << std::dec << std::numeric_limits<float>::min_exponent << std::endl;
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out << "#define FLT_MAX_EXP " << std::dec << std::numeric_limits<float>::max_exponent << std::endl;
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out << "#define FLT_MIN_10_EXP " << std::dec << std::numeric_limits<float>::min_exponent10 << std::endl;
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out << "#define FLT_MAX_10_EXP " << std::dec << std::numeric_limits<float>::max_exponent10 << std::endl;
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out << "#define FLT_TRAPS " << std::dec << std::numeric_limits<float>::traps << std::endl;
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out << "#define FLT_TINYNESS_BEFORE " << std::dec << std::numeric_limits<float>::tinyness_before << std::endl;
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out << "#define FLT_MIN " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::min() ) << ")" << std::endl;
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out << "#define FLT_MAX " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::max() ) << ")" << std::endl;
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out << "#define FLT_EPSILON " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::epsilon() ) << ")" << std::endl;
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out << "#define FLT_INF " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::infinity() ) << ")" << std::endl;
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out << "#define FLT_QUIET_NAN " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::quiet_NaN() ) << ")" << std::endl;
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out << "#define FLT_SIGNALING_NAN " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::signaling_NaN()) << ")" << std::endl;
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out << "#define FLT_DENORM_MIN " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::denorm_min() ) << ")" << std::endl;
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out << "#define FLT_ROUND_ERR " << "fennec::bit_cast<float>(0x" << std::hex << std::bit_cast<int>(std::numeric_limits<float>::round_error() ) << ")" << std::endl;
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out << "" << std::endl;
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out << "#define DBL_HAS_INFINITY " << std::dec << std::numeric_limits<double>::has_infinity << std::endl;
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out << "#define DBL_HAS_QUIET_NAN " << std::dec << std::numeric_limits<double>::has_quiet_NaN << std::endl;
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out << "#define DBL_HAS_SIGNALING_NAN " << std::dec << std::numeric_limits<double>::has_signaling_NaN << std::endl;
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out << "#define DBL_HAS_DENORM " << std::dec << std::numeric_limits<double>::has_denorm << std::endl;
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out << "#define DBL_HAS_DENORM_LOSS " << std::dec << std::numeric_limits<double>::has_denorm_loss << std::endl;
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out << "#define DBL_ROUNDS " << std::dec << std::numeric_limits<double>::round_style << std::endl;
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out << "#define DBL_IS_IEC559 " << std::dec << std::numeric_limits<double>::is_iec559 << std::endl;
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out << "#define DBL_MANT_DIG " << std::dec << std::numeric_limits<double>::digits << std::endl;
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out << "#define DBL_DIG " << std::dec << std::numeric_limits<double>::digits10 << std::endl;
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out << "#define DBL_DECIMAL_DIG " << std::dec << std::numeric_limits<double>::max_digits10 << std::endl;
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out << "#define DBL_RADIX " << std::dec << std::numeric_limits<double>::radix << std::endl;
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out << "#define DBL_MIN_EXP " << std::dec << std::numeric_limits<double>::min_exponent << std::endl;
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out << "#define DBL_MAX_EXP " << std::dec << std::numeric_limits<double>::max_exponent << std::endl;
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out << "#define DBL_MIN_10_EXP " << std::dec << std::numeric_limits<double>::min_exponent10 << std::endl;
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out << "#define DBL_MAX_10_EXP " << std::dec << std::numeric_limits<double>::max_exponent10 << std::endl;
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out << "#define DBL_TRAPS " << std::dec << std::numeric_limits<double>::traps << std::endl;
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out << "#define DBL_TINYNESS_BEFORE " << std::dec << std::numeric_limits<double>::tinyness_before << std::endl;
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out << "#define DBL_MIN " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::min() ) << "l)" << std::endl;
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out << "#define DBL_MAX " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::max() ) << "l)" << std::endl;
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out << "#define DBL_EPSILON " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::epsilon() ) << "l)" << std::endl;
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out << "#define DBL_INF " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::infinity() ) << "l)" << std::endl;
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out << "#define DBL_QUIET_NAN " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::quiet_NaN() ) << "l)" << std::endl;
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out << "#define DBL_SIGNALING_NAN " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::signaling_NaN()) << "l)" << std::endl;
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out << "#define DBL_DENORM_MIN " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::denorm_min() ) << "l)" << std::endl;
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out << "#define DBL_ROUND_ERR " << "fennec::bit_cast<double>(0x" << std::hex << std::bit_cast<long long>(std::numeric_limits<double>::round_error() ) << "l)" << std::endl;
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out << "" << std::endl;
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out << "#endif // FENNEC_LANG_FLOAT_H" << std::endl;
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out.close();
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return;
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}
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#endif //FLOAT_H
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