math64.h revision 1.3.28.1
1 1.3.28.1 pgoyette /* $NetBSD: math64.h,v 1.3.28.1 2018/09/06 06:56:36 pgoyette Exp $ */ 2 1.2 riastrad 3 1.2 riastrad /*- 4 1.2 riastrad * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2 riastrad * All rights reserved. 6 1.2 riastrad * 7 1.2 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.2 riastrad * by Taylor R. Campbell. 9 1.2 riastrad * 10 1.2 riastrad * Redistribution and use in source and binary forms, with or without 11 1.2 riastrad * modification, are permitted provided that the following conditions 12 1.2 riastrad * are met: 13 1.2 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.2 riastrad * notice, this list of conditions and the following disclaimer. 15 1.2 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.2 riastrad * documentation and/or other materials provided with the distribution. 18 1.2 riastrad * 19 1.2 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.2 riastrad */ 31 1.2 riastrad 32 1.2 riastrad #ifndef _LINUX_MATH64_H_ 33 1.2 riastrad #define _LINUX_MATH64_H_ 34 1.2 riastrad 35 1.2 riastrad #include <sys/types.h> 36 1.2 riastrad 37 1.3 riastrad #include <asm/div64.h> 38 1.3 riastrad 39 1.2 riastrad static inline int64_t 40 1.3.28.1 pgoyette div64_u64(int64_t dividend, uint64_t divisor) 41 1.2 riastrad { 42 1.3.28.1 pgoyette return dividend / divisor; 43 1.2 riastrad } 44 1.2 riastrad 45 1.2 riastrad static inline int64_t 46 1.3.28.1 pgoyette div_u64(int64_t dividend, uint32_t divisor) 47 1.2 riastrad { 48 1.3.28.1 pgoyette return dividend / divisor; 49 1.2 riastrad } 50 1.2 riastrad 51 1.3 riastrad static inline int64_t 52 1.3.28.1 pgoyette div64_s64(int64_t dividend, int64_t divisor) 53 1.3 riastrad { 54 1.3.28.1 pgoyette return dividend / divisor; 55 1.3.28.1 pgoyette } 56 1.3.28.1 pgoyette 57 1.3.28.1 pgoyette static inline int64_t 58 1.3.28.1 pgoyette div_s64(int64_t dividend, int32_t divisor) 59 1.3.28.1 pgoyette { 60 1.3.28.1 pgoyette return dividend / divisor; 61 1.3.28.1 pgoyette } 62 1.3.28.1 pgoyette 63 1.3.28.1 pgoyette static inline uint64_t 64 1.3.28.1 pgoyette div64_u64_rem(uint64_t dividend, uint64_t divisor, uint64_t *rem) 65 1.3.28.1 pgoyette { 66 1.3.28.1 pgoyette *rem = dividend % divisor; 67 1.3.28.1 pgoyette return dividend / divisor; 68 1.3 riastrad } 69 1.3 riastrad 70 1.2 riastrad #endif /* _LINUX_MATH64_H_ */ 71
Indexes created Fri Oct 03 02:09:57 GMT 2025