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80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
//****************************************************************************
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// Product: QS/C++
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// Last Updated for Version: 5.1.0
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// Date of the Last Update: Sep 23, 2013
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//
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// Q u a n t u m L e a P s
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// ---------------------------
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// innovating embedded systems
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//
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// Copyright (C) 2002-2013 Quantum Leaps, LLC. All rights reserved.
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//
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// This program is open source software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 2 of the License, or
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// (at your option) any later version.
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//
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// Alternatively, this program may be distributed and modified under the
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// terms of Quantum Leaps commercial licenses, which expressly supersede
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// the GNU General Public License and are specifically designed for
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// licensees interested in retaining the proprietary status of their code.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// Contact information:
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// Quantum Leaps Web sites: http://www.quantum-leaps.com
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// http://www.state-machine.com
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// e-mail: info@quantum-leaps.com
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//****************************************************************************
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#include "qs_pkg.h"
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/// \file
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/// \ingroup qs
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/// \brief QS::f64() implementation
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namespace QP {
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//............................................................................
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void QS::f64(uint8_t format, float64_t const d) {
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union F64Rep {
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float64_t d;
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struct UInt2 {
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uint32_t u1;
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uint32_t u2;
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} i;
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} fu64; // the internal binary representation
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uint8_t chksum_ = priv_.chksum;
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uint8_t *buf_ = priv_.buf;
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QSCtr head_ = priv_.head;
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QSCtr end_ = priv_.end;
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int_t i;
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fu64.d = d; // assign the binary representation
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priv_.used += static_cast<QSCtr>(9); // 9 bytes about to be added
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QS_INSERT_ESC_BYTE(format) // insert the format byte
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for (i = static_cast<int_t>(4); i != static_cast<int_t>(0); --i) {
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format = static_cast<uint8_t>(fu64.i.u1);
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QS_INSERT_ESC_BYTE(format)
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fu64.i.u1 >>= 8;
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}
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for (i = static_cast<int_t>(4); i != static_cast<int_t>(0); --i) {
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format = static_cast<uint8_t>(fu64.i.u2);
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QS_INSERT_ESC_BYTE(format)
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fu64.i.u2 >>= 8;
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}
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priv_.head = head_; // save the head
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priv_.chksum = chksum_; // save the checksum
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}
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} // namespace QP
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