| 1 | /* Round to nearest integer. PowerPC64 version. |
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| 2 | Copyright (C) 2019-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public License as |
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| 7 | published by the Free Software Foundation; either version 2 of the |
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| 8 | License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with the GNU C Library; see the file COPYING.LIB. If |
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| 17 | not, see <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #define NO_MATH_REDIRECT |
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| 20 | #define lrint __redirect_lrint |
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| 21 | #define lrintf __redirect_lrintf |
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| 22 | #define llrintf __redirect_llrintf |
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| 23 | #define __lrint __redirect___lrint |
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| 24 | #define __lrintf __redirect___lrintf |
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| 25 | #define __llrintf __redirect___llrintf |
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| 26 | #include <math.h> |
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| 27 | #undef lrint |
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| 28 | #undef lrintf |
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| 29 | #undef llrintf |
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| 30 | #undef __lrint |
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| 31 | #undef __lrintf |
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| 32 | #undef __llrintf |
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| 33 | #include <libm-alias-float.h> |
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| 34 | #include <libm-alias-double.h> |
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| 35 | |
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| 36 | long long int |
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| 37 | __llrint (double x) |
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| 38 | { |
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| 39 | long int ret; |
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| 40 | __asm__ ("fctid %0, %1" : "=d" (ret) : "d" (x)); |
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| 41 | return ret; |
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| 42 | } |
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| 43 | #ifndef __llrint |
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| 44 | strong_alias (__llrint, __lrint) |
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| 45 | libm_alias_double (__llrint, llrint) |
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| 46 | libm_alias_double (__lrint, lrint) |
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| 47 | |
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| 48 | /* The double version also works for single-precision as both float and |
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| 49 | double parameters are passed in 64bit FPRs and both versions are expected |
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| 50 | to return [long] long type. */ |
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| 51 | strong_alias (__llrint, __llrintf) |
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| 52 | libm_alias_float (__llrint, llrint) |
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| 53 | strong_alias (__lrint, __lrintf) |
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| 54 | libm_alias_float (__lrint, lrint) |
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| 55 | #endif |
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| 56 | |
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