/usr/include/OpenEXR/IexMathFpu.h is in libilmbase-dev 2.2.0-11ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | #ifndef INCLUDED_IEXMATHFPU_H
#define INCLUDED_IEXMATHFPU_H
///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1997, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Industrial Light & Magic 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 COPYRIGHT HOLDERS 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 COPYRIGHT
// OWNER 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.
//
///////////////////////////////////////////////////////////////////////////
//------------------------------------------------------------------------
//
// Functions to control floating point exceptions.
//
//------------------------------------------------------------------------
#include "IexMathIeeeExc.h"
#include "IexNamespace.h"
IEX_INTERNAL_NAMESPACE_HEADER_ENTER
//-----------------------------------------
// setFpExceptions() defines which floating
// point exceptions cause SIGFPE signals.
//-----------------------------------------
void setFpExceptions (int when = (IEEE_OVERFLOW | IEEE_DIVZERO | IEEE_INVALID));
//----------------------------------------
// fpExceptions() tells you which floating
// point exceptions cause SIGFPE signals.
//----------------------------------------
int fpExceptions ();
//------------------------------------------
// setFpExceptionHandler() defines a handler
// that will be called when SIGFPE occurs.
//------------------------------------------
extern "C" typedef void (* FpExceptionHandler) (int type, const char explanation[]);
void setFpExceptionHandler (FpExceptionHandler handler);
// -----------------------------------------
// handleExceptionsSetInRegisters() examines
// the exception registers and calls the
// floating point exception handler if the
// bits are set. This function exists to
// allow trapping of exception register states
// that can get set though no SIGFPE occurs.
// -----------------------------------------
void handleExceptionsSetInRegisters();
IEX_INTERNAL_NAMESPACE_HEADER_EXIT
#endif
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