Disabled external gits
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215
cs440-acg/ext/openexr/IlmBase/ImathTest/testFun.cpp
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215
cs440-acg/ext/openexr/IlmBase/ImathTest/testFun.cpp
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include <testFun.h>
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#include "ImathFun.h"
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#include <iostream>
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#include <assert.h>
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#include <stdio.h>
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using namespace std;
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#if ULONG_MAX == 18446744073709551615LU
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typedef long unsigned int Int64;
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#else
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typedef long long unsigned int Int64;
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#endif
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void
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testf (float f)
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{
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printf ("\n");
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float sf = IMATH_INTERNAL_NAMESPACE::succf (f);
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float pf = IMATH_INTERNAL_NAMESPACE::predf (f);
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float spf = IMATH_INTERNAL_NAMESPACE::succf (IMATH_INTERNAL_NAMESPACE::predf (f));
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float psf = IMATH_INTERNAL_NAMESPACE::predf (IMATH_INTERNAL_NAMESPACE::succf (f));
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printf ("f %.9g\n", f);
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printf ("sf %.9g\n", sf);
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printf ("pf %.9g\n", pf);
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printf ("spf %.9g\n", spf);
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printf ("psf %.9g\n", psf);
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}
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void
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testd (double d)
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{
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printf ("\n");
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double sd = IMATH_INTERNAL_NAMESPACE::succd (d);
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double pd = IMATH_INTERNAL_NAMESPACE::predd (d);
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double spd = IMATH_INTERNAL_NAMESPACE::succd (IMATH_INTERNAL_NAMESPACE::predd (d));
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double psd = IMATH_INTERNAL_NAMESPACE::predd (IMATH_INTERNAL_NAMESPACE::succd (d));
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printf ("d %.18lg\n", d);
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printf ("sd %.18lg\n", sd);
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printf ("pd %.18lg\n", pd);
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printf ("spd %.18lg\n", spd);
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printf ("psd %.18lg\n", psd);
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}
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void
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testFun ()
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{
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cout << "Testing functions in ImathFun.h" << endl;
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cout << "floor" << endl;
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assert (IMATH_INTERNAL_NAMESPACE::floor ( 0.0f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::floor ( 0.5f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::floor (-0.5f) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::floor ( 1.0f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::floor (-1.0f) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::floor ( 1.5f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::floor (-1.5f) == -2);
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cout << "ceil" << endl;
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assert (IMATH_INTERNAL_NAMESPACE::ceil ( 0.0f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::ceil ( 0.5f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::ceil (-0.5f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::ceil ( 1.0f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::ceil (-1.0f) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::ceil ( 1.5f) == 2);
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assert (IMATH_INTERNAL_NAMESPACE::ceil (-1.5f) == -1);
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cout << "trunc" << endl;
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assert (IMATH_INTERNAL_NAMESPACE::trunc ( 0.0f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::trunc ( 0.5f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::trunc (-0.5f) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::trunc ( 1.0f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::trunc (-1.0f) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::trunc ( 1.5f) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::trunc (-1.5f) == -1);
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cout << "divs / mods" << endl;
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 5, 2) == 2 && IMATH_INTERNAL_NAMESPACE::mods ( 5, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 4, 2) == 2 && IMATH_INTERNAL_NAMESPACE::mods ( 4, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 3, 2) == 1 && IMATH_INTERNAL_NAMESPACE::mods ( 3, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 2, 2) == 1 && IMATH_INTERNAL_NAMESPACE::mods ( 2, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 1, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 0, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 0, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods (-1, 2) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-2, 2) == -1 && IMATH_INTERNAL_NAMESPACE::mods (-2, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-3, 2) == -1 && IMATH_INTERNAL_NAMESPACE::mods (-3, 2) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-4, 2) == -2 && IMATH_INTERNAL_NAMESPACE::mods (-4, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-5, 2) == -2 && IMATH_INTERNAL_NAMESPACE::mods (-5, 2) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 5, -2) == -2 && IMATH_INTERNAL_NAMESPACE::mods ( 5, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 4, -2) == -2 && IMATH_INTERNAL_NAMESPACE::mods ( 4, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 3, -2) == -1 && IMATH_INTERNAL_NAMESPACE::mods ( 3, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 2, -2) == -1 && IMATH_INTERNAL_NAMESPACE::mods ( 2, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 1, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divs ( 0, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 0, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods (-1, -2) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-2, -2) == 1 && IMATH_INTERNAL_NAMESPACE::mods (-2, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-3, -2) == 1 && IMATH_INTERNAL_NAMESPACE::mods (-3, -2) == -1);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-4, -2) == 2 && IMATH_INTERNAL_NAMESPACE::mods (-4, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divs (-5, -2) == 2 && IMATH_INTERNAL_NAMESPACE::mods (-5, -2) == -1);
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cout << "divp / modp" << endl;
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 5, 2) == 2 && IMATH_INTERNAL_NAMESPACE::modp ( 5, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 4, 2) == 2 && IMATH_INTERNAL_NAMESPACE::modp ( 4, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 3, 2) == 1 && IMATH_INTERNAL_NAMESPACE::modp ( 3, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 2, 2) == 1 && IMATH_INTERNAL_NAMESPACE::modp ( 2, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 1, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 0, 2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 0, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-1, 2) == -1 && IMATH_INTERNAL_NAMESPACE::modp (-1, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-2, 2) == -1 && IMATH_INTERNAL_NAMESPACE::modp (-2, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-3, 2) == -2 && IMATH_INTERNAL_NAMESPACE::modp (-3, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-4, 2) == -2 && IMATH_INTERNAL_NAMESPACE::modp (-4, 2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-5, 2) == -3 && IMATH_INTERNAL_NAMESPACE::modp (-5, 2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 5, -2) == -2 && IMATH_INTERNAL_NAMESPACE::modp ( 5, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 4, -2) == -2 && IMATH_INTERNAL_NAMESPACE::modp ( 4, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 3, -2) == -1 && IMATH_INTERNAL_NAMESPACE::modp ( 3, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 2, -2) == -1 && IMATH_INTERNAL_NAMESPACE::modp ( 2, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 1, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp ( 0, -2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 0, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-1, -2) == 1 && IMATH_INTERNAL_NAMESPACE::modp (-1, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-2, -2) == 1 && IMATH_INTERNAL_NAMESPACE::modp (-2, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-3, -2) == 2 && IMATH_INTERNAL_NAMESPACE::modp (-3, -2) == 1);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-4, -2) == 2 && IMATH_INTERNAL_NAMESPACE::modp (-4, -2) == 0);
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assert (IMATH_INTERNAL_NAMESPACE::divp (-5, -2) == 3 && IMATH_INTERNAL_NAMESPACE::modp (-5, -2) == 1);
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cout << "successor, predecessor" << endl;
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testf (0);
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testf (0.0 * -1.0);
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testf (1);
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testf (-1);
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testf (16);
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testf (7);
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testf (0.7);
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union {float f; int i;} u;
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u.i = 0x7f800000; // inf
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testf (u.f);
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u.i = 0x7f800001; // nan
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testf (u.f);
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u.i = 0x7f7fffff; // FLT_MAX
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testf (u.f);
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u.i = 0xff7fffff; // -FLT_MAX
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testf (u.f);
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testd (0);
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testd (0.0 * -1.0);
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testd (1);
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testd (-1);
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testd (16);
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testd (7);
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testd (0.7);
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union {double d; Int64 i;} v;
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v.i = 0x7ff0000000000000ULL; // inf
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testd (v.d);
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v.i = 0x7ff0000000000001ULL; // NAN
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testd (v.d);
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v.i = 0x7fefffffffffffffULL; // FLT_MAX
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testd (v.d);
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v.i = 0xffefffffffffffffULL; // -FLT_MAX
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testd (v.d);
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cout << "ok\n" << endl;
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}
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