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authorMaxim Yurchuk <maxim-yurchuk@ydb.tech>2024-10-18 20:31:38 +0300
committerGitHub <noreply@github.com>2024-10-18 20:31:38 +0300
commit2a74bac2d2d3bccb4e10120f1ead805640ec9dd0 (patch)
tree047e4818ced5aaf73f58517629e5260b5291f9f0 /contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc
parent2d9656823e9521d8c29ea4c9a1d0eab78391abfc (diff)
parent3d834a1923bbf9403cd4a448e7f32b670aa4124f (diff)
downloadydb-2a74bac2d2d3bccb4e10120f1ead805640ec9dd0.tar.gz
Merge pull request #10502 from ydb-platform/mergelibs-241016-1210
Library import 241016-1210
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc')
-rw-r--r--contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc43
1 files changed, 21 insertions, 22 deletions
diff --git a/contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc b/contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc
index d68ccf27a7..cb2bf54ffa 100644
--- a/contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc
+++ b/contrib/libs/cxxsupp/builtins/fp_fixuint_impl.inc
@@ -1,9 +1,8 @@
//===-- lib/fixdfsi.c - Double-precision -> integer conversion ----*- C -*-===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -15,25 +14,25 @@
#include "fp_lib.h"
static __inline fixuint_t __fixuint(fp_t a) {
- // Break a into sign, exponent, significand
- const rep_t aRep = toRep(a);
- const rep_t aAbs = aRep & absMask;
- const int sign = aRep & signBit ? -1 : 1;
- const int exponent = (aAbs >> significandBits) - exponentBias;
- const rep_t significand = (aAbs & significandMask) | implicitBit;
+ // Break a into sign, exponent, significand parts.
+ const rep_t aRep = toRep(a);
+ const rep_t aAbs = aRep & absMask;
+ const int sign = aRep & signBit ? -1 : 1;
+ const int exponent = (aAbs >> significandBits) - exponentBias;
+ const rep_t significand = (aAbs & significandMask) | implicitBit;
- // If either the value or the exponent is negative, the result is zero.
- if (sign == -1 || exponent < 0)
- return 0;
+ // If either the value or the exponent is negative, the result is zero.
+ if (sign == -1 || exponent < 0)
+ return 0;
- // If the value is too large for the integer type, saturate.
- if ((unsigned)exponent >= sizeof(fixuint_t) * CHAR_BIT)
- return ~(fixuint_t)0;
+ // If the value is too large for the integer type, saturate.
+ if ((unsigned)exponent >= sizeof(fixuint_t) * CHAR_BIT)
+ return ~(fixuint_t)0;
- // If 0 <= exponent < significandBits, right shift to get the result.
- // Otherwise, shift left.
- if (exponent < significandBits)
- return significand >> (significandBits - exponent);
- else
- return (fixuint_t)significand << (exponent - significandBits);
+ // If 0 <= exponent < significandBits, right shift to get the result.
+ // Otherwise, shift left.
+ if (exponent < significandBits)
+ return significand >> (significandBits - exponent);
+ else
+ return (fixuint_t)significand << (exponent - significandBits);
}