34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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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*/
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#ifndef MATH_32BIT_H
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#define MATH_32BIT_H
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/**
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* Math helper functions for 32 bit CPUs
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*/
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#define MultiU32X32toH32(intRes, longIn1, longIn2) intRes = ((uint64_t)longIn1 * longIn2 + 0x80000000) >> 32
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#define MultiU32X24toH32(intRes, longIn1, longIn2) intRes = ((uint64_t)longIn1 * longIn2 + 0x00800000) >> 24
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#endif // MATH_32BIT_H
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