///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, 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
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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///////////////////////////////////////////////////////////////////////////
#include <testFun.h>
#include "ImathFun.h"
#include <iostream>
#include <assert.h>
#include <stdio.h>
using namespace std;
#if ULONG_MAX == 18446744073709551615LU
typedef long unsigned int Int64;
#else
typedef long long unsigned int Int64;
#endif
void
testf (float f)
{
printf ("\n");
float sf = IMATH_INTERNAL_NAMESPACE::succf (f);
float pf = IMATH_INTERNAL_NAMESPACE::predf (f);
float spf = IMATH_INTERNAL_NAMESPACE::succf (IMATH_INTERNAL_NAMESPACE::predf (f));
float psf = IMATH_INTERNAL_NAMESPACE::predf (IMATH_INTERNAL_NAMESPACE::succf (f));
printf ("f %.9g\n", f);
printf ("sf %.9g\n", sf);
printf ("pf %.9g\n", pf);
printf ("spf %.9g\n", spf);
printf ("psf %.9g\n", psf);
}
void
testd (double d)
{
printf ("\n");
double sd = IMATH_INTERNAL_NAMESPACE::succd (d);
double pd = IMATH_INTERNAL_NAMESPACE::predd (d);
double spd = IMATH_INTERNAL_NAMESPACE::succd (IMATH_INTERNAL_NAMESPACE::predd (d));
double psd = IMATH_INTERNAL_NAMESPACE::predd (IMATH_INTERNAL_NAMESPACE::succd (d));
printf ("d %.18lg\n", d);
printf ("sd %.18lg\n", sd);
printf ("pd %.18lg\n", pd);
printf ("spd %.18lg\n", spd);
printf ("psd %.18lg\n", psd);
}
void
testFun ()
{
cout << "Testing functions in ImathFun.h" << endl;
cout << "floor" << endl;
assert (IMATH_INTERNAL_NAMESPACE::floor ( 0.0f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::floor ( 0.5f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::floor (-0.5f) == -1);
assert (IMATH_INTERNAL_NAMESPACE::floor ( 1.0f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::floor (-1.0f) == -1);
assert (IMATH_INTERNAL_NAMESPACE::floor ( 1.5f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::floor (-1.5f) == -2);
cout << "ceil" << endl;
assert (IMATH_INTERNAL_NAMESPACE::ceil ( 0.0f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::ceil ( 0.5f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::ceil (-0.5f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::ceil ( 1.0f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::ceil (-1.0f) == -1);
assert (IMATH_INTERNAL_NAMESPACE::ceil ( 1.5f) == 2);
assert (IMATH_INTERNAL_NAMESPACE::ceil (-1.5f) == -1);
cout << "trunc" << endl;
assert (IMATH_INTERNAL_NAMESPACE::trunc ( 0.0f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::trunc ( 0.5f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::trunc (-0.5f) == 0);
assert (IMATH_INTERNAL_NAMESPACE::trunc ( 1.0f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::trunc (-1.0f) == -1);
assert (IMATH_INTERNAL_NAMESPACE::trunc ( 1.5f) == 1);
assert (IMATH_INTERNAL_NAMESPACE::trunc (-1.5f) == -1);
cout << "divs / mods" << endl;
assert (IMATH_INTERNAL_NAMESPACE::divs ( 5, 2) == 2 && IMATH_INTERNAL_NAMESPACE::mods ( 5, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 4, 2) == 2 && IMATH_INTERNAL_NAMESPACE::mods ( 4, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 3, 2) == 1 && IMATH_INTERNAL_NAMESPACE::mods ( 3, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 2, 2) == 1 && IMATH_INTERNAL_NAMESPACE::mods ( 2, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 1, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 0, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 0, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::mods (-1, 2) == -1);
assert (IMATH_INTERNAL_NAMESPACE::divs (-2, 2) == -1 && IMATH_INTERNAL_NAMESPACE::mods (-2, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-3, 2) == -1 && IMATH_INTERNAL_NAMESPACE::mods (-3, 2) == -1);
assert (IMATH_INTERNAL_NAMESPACE::divs (-4, 2) == -2 && IMATH_INTERNAL_NAMESPACE::mods (-4, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-5, 2) == -2 && IMATH_INTERNAL_NAMESPACE::mods (-5, 2) == -1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 5, -2) == -2 && IMATH_INTERNAL_NAMESPACE::mods ( 5, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 4, -2) == -2 && IMATH_INTERNAL_NAMESPACE::mods ( 4, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 3, -2) == -1 && IMATH_INTERNAL_NAMESPACE::mods ( 3, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 2, -2) == -1 && IMATH_INTERNAL_NAMESPACE::mods ( 2, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 1, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divs ( 0, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods ( 0, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::mods (-1, -2) == -1);
assert (IMATH_INTERNAL_NAMESPACE::divs (-2, -2) == 1 && IMATH_INTERNAL_NAMESPACE::mods (-2, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-3, -2) == 1 && IMATH_INTERNAL_NAMESPACE::mods (-3, -2) == -1);
assert (IMATH_INTERNAL_NAMESPACE::divs (-4, -2) == 2 && IMATH_INTERNAL_NAMESPACE::mods (-4, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divs (-5, -2) == 2 && IMATH_INTERNAL_NAMESPACE::mods (-5, -2) == -1);
cout << "divp / modp" << endl;
assert (IMATH_INTERNAL_NAMESPACE::divp ( 5, 2) == 2 && IMATH_INTERNAL_NAMESPACE::modp ( 5, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 4, 2) == 2 && IMATH_INTERNAL_NAMESPACE::modp ( 4, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 3, 2) == 1 && IMATH_INTERNAL_NAMESPACE::modp ( 3, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 2, 2) == 1 && IMATH_INTERNAL_NAMESPACE::modp ( 2, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 1, 2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 1, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 0, 2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 0, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-1, 2) == -1 && IMATH_INTERNAL_NAMESPACE::modp (-1, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp (-2, 2) == -1 && IMATH_INTERNAL_NAMESPACE::modp (-2, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-3, 2) == -2 && IMATH_INTERNAL_NAMESPACE::modp (-3, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp (-4, 2) == -2 && IMATH_INTERNAL_NAMESPACE::modp (-4, 2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-5, 2) == -3 && IMATH_INTERNAL_NAMESPACE::modp (-5, 2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 5, -2) == -2 && IMATH_INTERNAL_NAMESPACE::modp ( 5, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 4, -2) == -2 && IMATH_INTERNAL_NAMESPACE::modp ( 4, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 3, -2) == -1 && IMATH_INTERNAL_NAMESPACE::modp ( 3, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 2, -2) == -1 && IMATH_INTERNAL_NAMESPACE::modp ( 2, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 1, -2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 1, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp ( 0, -2) == 0 && IMATH_INTERNAL_NAMESPACE::modp ( 0, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-1, -2) == 1 && IMATH_INTERNAL_NAMESPACE::modp (-1, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp (-2, -2) == 1 && IMATH_INTERNAL_NAMESPACE::modp (-2, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-3, -2) == 2 && IMATH_INTERNAL_NAMESPACE::modp (-3, -2) == 1);
assert (IMATH_INTERNAL_NAMESPACE::divp (-4, -2) == 2 && IMATH_INTERNAL_NAMESPACE::modp (-4, -2) == 0);
assert (IMATH_INTERNAL_NAMESPACE::divp (-5, -2) == 3 && IMATH_INTERNAL_NAMESPACE::modp (-5, -2) == 1);
cout << "successor, predecessor" << endl;
testf (0);
testf (0.0 * -1.0);
testf (1);
testf (-1);
testf (16);
testf (7);
testf (0.7);
union {float f; int i;} u;
u.i = 0x7f800000; // inf
testf (u.f);
u.i = 0x7f800001; // nan
testf (u.f);
u.i = 0x7f7fffff; // FLT_MAX
testf (u.f);
u.i = 0xff7fffff; // -FLT_MAX
testf (u.f);
testd (0);
testd (0.0 * -1.0);
testd (1);
testd (-1);
testd (16);
testd (7);
testd (0.7);
union {double d; Int64 i;} v;
v.i = 0x7ff0000000000000ULL; // inf
testd (v.d);
v.i = 0x7ff0000000000001ULL; // NAN
testd (v.d);
v.i = 0x7fefffffffffffffULL; // FLT_MAX
testd (v.d);
v.i = 0xffefffffffffffffULL; // -FLT_MAX
testd (v.d);
cout << "ok\n" << endl;
}