From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c (limited to 'src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c') diff --git a/src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c b/src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c new file mode 100644 index 00000000..9baf923e --- /dev/null +++ b/src/libs/softfloat-3e/source/f64_to_i32_r_minMag.c @@ -0,0 +1,96 @@ + +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3e, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of +California. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions, and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions, and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3. Neither the name of the University nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE +DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +=============================================================================*/ + +#include +#include +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +int_fast32_t f64_to_i32_r_minMag( float64_t a, bool exact SOFTFLOAT_STATE_DECL_COMMA ) +{ + union ui64_f64 uA; + uint_fast64_t uiA; + int_fast16_t exp; + uint_fast64_t sig; + int_fast16_t shiftDist; + bool sign; + int_fast32_t absZ; + + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + uA.f = a; + uiA = uA.ui; + exp = expF64UI( uiA ); + sig = fracF64UI( uiA ); + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + shiftDist = 0x433 - exp; + if ( 53 <= shiftDist ) { + if ( exact && (exp | sig) ) { + softfloat_exceptionFlags |= softfloat_flag_inexact; + } + return 0; + } + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + sign = signF64UI( uiA ); + if ( shiftDist < 22 ) { + if ( + sign && (exp == 0x41E) && (sig < UINT64_C( 0x0000000000200000 )) + ) { + if ( exact && sig ) { + softfloat_exceptionFlags |= softfloat_flag_inexact; + } + return -0x7FFFFFFF - 1; + } + softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA ); + return + (exp == 0x7FF) && sig ? i32_fromNaN + : sign ? i32_fromNegOverflow : i32_fromPosOverflow; + } + /*------------------------------------------------------------------------ + *------------------------------------------------------------------------*/ + sig |= UINT64_C( 0x0010000000000000 ); + absZ = sig>>shiftDist; + if ( exact && ((uint_fast64_t) (uint_fast32_t) absZ<