| 1 | /*
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| 2 | * Copyright (c) 2005 Josef Cejka
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| 3 | * Copyright (c) 2011 Petr Koupy
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup softfloat
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| 31 | * @{
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| 32 | */
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| 33 | /** @file Common helper operations.
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| 34 | */
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| 35 |
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| 36 | #ifndef __COMMON_H__
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| 37 | #define __COMMON_H__
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| 38 |
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| 39 | #include <mathtypes.h>
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| 40 |
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| 41 | extern float64 finish_float64(int32_t, uint64_t, char);
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| 42 | extern float128 finish_float128(int32_t, uint64_t, uint64_t, char, uint64_t);
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| 43 |
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| 44 | extern int count_zeroes8(uint8_t);
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| 45 | extern int count_zeroes32(uint32_t);
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| 46 | extern int count_zeroes64(uint64_t);
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| 47 |
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| 48 | extern void round_float32(int32_t *, uint32_t *);
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| 49 | extern void round_float64(int32_t *, uint64_t *);
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| 50 | extern void round_float128(int32_t *, uint64_t *, uint64_t *);
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| 51 |
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| 52 | extern void lshift128(uint64_t, uint64_t, int, uint64_t *, uint64_t *);
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| 53 | extern void rshift128(uint64_t, uint64_t, int, uint64_t *, uint64_t *);
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| 54 |
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| 55 | extern void and128(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t *,
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| 56 | uint64_t *);
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| 57 | extern void or128(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t *,
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| 58 | uint64_t *);
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| 59 | extern void xor128(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t *,
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| 60 | uint64_t *);
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| 61 | extern void not128(uint64_t, uint64_t, uint64_t *, uint64_t *);
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| 62 |
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| 63 | extern int eq128(uint64_t, uint64_t, uint64_t, uint64_t);
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| 64 | extern int le128(uint64_t, uint64_t, uint64_t, uint64_t);
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| 65 | extern int lt128(uint64_t, uint64_t, uint64_t, uint64_t);
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| 66 |
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| 67 | extern void add128(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t *,
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| 68 | uint64_t *);
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| 69 | extern void sub128(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t *,
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| 70 | uint64_t *);
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| 71 |
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| 72 | extern void mul64(uint64_t, uint64_t, uint64_t *, uint64_t *);
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| 73 | extern void mul128(uint64_t, uint64_t, uint64_t, uint64_t,
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| 74 | uint64_t *, uint64_t *, uint64_t *, uint64_t *);
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| 75 |
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| 76 | extern uint64_t div128est(uint64_t, uint64_t, uint64_t);
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| 77 |
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| 78 | #endif
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| 79 |
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| 80 | /** @}
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| 81 | */
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