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https://github.com/msgpack/msgpack-c.git
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ccc9ac5538
Introduced new object type `FLOAT32` and `FLOAT64`. `FLOAT64` is equivalent to `FLOAT`. The both internal expressions are f64(double).
124 lines
2.9 KiB
C++
124 lines
2.9 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2008-2009 FURUHASHI Sadayuki
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef MSGPACK_V1_TYPE_FLOAT_HPP
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#define MSGPACK_V1_TYPE_FLOAT_HPP
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#include "msgpack/versioning.hpp"
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#include "msgpack/object_fwd.hpp"
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#include <vector>
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namespace msgpack {
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/// @cond
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MSGPACK_API_VERSION_NAMESPACE(v1) {
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/// @endcond
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// FIXME check overflow, underflow
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namespace adaptor {
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template <>
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struct convert<float> {
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msgpack::object const& operator()(msgpack::object const& o, float& v) const {
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if(o.type == msgpack::type::FLOAT32 || o.type == msgpack::type::FLOAT64) {
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v = static_cast<float>(o.via.f64);
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}
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else if (o.type == msgpack::type::POSITIVE_INTEGER) {
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v = static_cast<float>(o.via.u64);
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}
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else if (o.type == msgpack::type::NEGATIVE_INTEGER) {
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v = static_cast<float>(o.via.i64);
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}
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else {
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throw msgpack::type_error();
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}
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return o;
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}
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};
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template <>
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struct pack<float> {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const float& v) const {
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o.pack_float(v);
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return o;
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}
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};
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template <>
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struct convert<double> {
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msgpack::object const& operator()(msgpack::object const& o, double& v) const {
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if(o.type == msgpack::type::FLOAT32 || o.type == msgpack::type::FLOAT64) {
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v = o.via.f64;
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}
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else if (o.type == msgpack::type::POSITIVE_INTEGER) {
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v = static_cast<double>(o.via.u64);
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}
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else if (o.type == msgpack::type::NEGATIVE_INTEGER) {
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v = static_cast<double>(o.via.i64);
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}
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else {
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throw msgpack::type_error();
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}
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return o;
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}
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};
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template <>
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struct pack<double> {
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template <typename Stream>
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const double& v) const {
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o.pack_double(v);
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return o;
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}
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};
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template <>
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struct object<float> {
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void operator()(msgpack::object& o, float v) const {
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o.type = msgpack::type::FLOAT32;
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o.via.f64 = static_cast<double>(v);
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}
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};
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template <>
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struct object<double> {
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void operator()(msgpack::object& o, double v) const {
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o.type = msgpack::type::FLOAT64;
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o.via.f64 = v;
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}
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};
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template <>
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struct object_with_zone<float> {
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void operator()(msgpack::object::with_zone& o, float v) const {
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static_cast<msgpack::object&>(o) << v;
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}
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};
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template <>
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struct object_with_zone<double> {
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void operator()(msgpack::object::with_zone& o, double v) const {
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static_cast<msgpack::object&>(o) << v;
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}
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};
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} // namespace adaptor
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/// @cond
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} // MSGPACK_API_VERSION_NAMESPACE(v1)
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/// @endcond
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} // namespace msgpack
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#endif // MSGPACK_V1_TYPE_FLOAT_HPP
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