|
public static RandomERational ( |
||
| rand | ||
| return | PeterO.Numbers.ERational | |
public static CBORObject RandomNumberOrRational(RandomGenerator rand)
{
switch (rand.UniformInt(7))
{
case 0:
return(CBORObject.FromObject(
RandomObjects.RandomDouble(
rand,
Int32.MaxValue)));
case 1:
return(CBORObject.FromObject(
RandomObjects.RandomSingle(
rand,
Int32.MaxValue)));
case 2:
return(CBORObject.FromObject(RandomObjects.RandomEInteger(rand)));
case 3:
return(CBORObject.FromObject(RandomObjects.RandomEFloat(rand)));
case 4:
return
(CBORObject.FromObject(RandomObjects.RandomEDecimal(rand)));
case 5:
return(CBORObject.FromObject(RandomObjects.RandomInt64(rand)));
case 6:
return(CBORObject.FromObject(RandomObjects.RandomERational(rand)));
default: throw new ArgumentException();
}
}
public void TestCompareTo()
{
var r = new RandomGenerator();
for (var i = 0; i < 500; ++i)
{
ERational bigintA = RandomObjects.RandomERational(r);
ERational bigintB = RandomObjects.RandomERational(r);
ERational bigintC = RandomObjects.RandomERational(r);
TestCommon.CompareTestRelations(bigintA, bigintB, bigintC);
}
TestCommon.CompareTestLess(ERational.Zero, ERational.NaN);
ERational rat, rat2;
for (var i = 0; i < 100; ++i)
{
EInteger num = RandomObjects.RandomEInteger(r);
if (num.IsZero)
{
// Skip if number is 0; 0/1 and 0/2 are
// equal in that case
continue;
}
num = num.Abs();
rat = ERational.Create(num, EInteger.One);
rat2 = ERational.Create(num, (EInteger)2);
TestCommon.CompareTestLess(rat2, rat);
TestCommon.CompareTestGreater(rat, rat2);
}
TestCommon.CompareTestLess(
ERational.Create(EInteger.One, (EInteger)2),
ERational.Create((EInteger)4, EInteger.One));
for (var i = 0; i < 100; ++i)
{
EInteger num = RandomObjects.RandomEInteger(r);
EInteger den = RandomObjects.RandomEInteger(r);
if (den.IsZero)
{
den = EInteger.One;
}
rat = ERational.Create(num, den);
for (int j = 0; j < 10; ++j)
{
EInteger num2 = num;
EInteger den2 = den;
EInteger mult = RandomObjects.RandomEInteger(r);
if (mult.IsZero || mult.Equals(EInteger.One))
{
mult = (EInteger)2;
}
num2 *= (EInteger)mult;
den2 *= (EInteger)mult;
rat2 = ERational.Create(num2, den2);
TestCommon.CompareTestEqual(rat, rat2);
}
}
}
public void TestToString()
{
var fr = new RandomGenerator();
ERational dec;
for (var i = 0; i < 1000; ++i)
{
dec = RandomObjects.RandomERational(fr);
ExtraTest.TestStringEqualRoundTrip(dec);
}
dec = ERational.FromString("-0/500");
ExtraTest.TestStringEqualRoundTrip(dec);
}
public void TestCompareToDecimal()
{
var fr = new RandomGenerator();
for (var i = 0; i < 100; ++i)
{
ERational er = RandomObjects.RandomERational(fr);
int exp = -100000 + fr.UniformInt(200000);
EDecimal ed = EDecimal.Create(
RandomObjects.RandomEInteger(fr),
(EInteger)exp);
ERational er2 = ERational.FromEDecimal(ed);
int c2r = er.CompareTo(er2);
int c2d = er.CompareToDecimal(ed);
Assert.AreEqual(c2r, c2d);
}
}
public static CBORObject RandomNumberOrRational(IRandomGenExtended rand)
{
object o = null;
switch (rand.GetInt32(7))
{
case 0:
o = RandomObjects.RandomDouble(
rand,
Int32.MaxValue);
return(CBORObject.FromObject(o));
case 1:
o = RandomObjects.RandomSingle(
rand,
Int32.MaxValue);
return(CBORObject.FromObject(o));
case 2:
return(CBORObject.FromObject(
RandomObjects.RandomEInteger(rand)));
case 3:
return(CBORObject.FromObject(
RandomObjects.RandomEFloat(rand)));
case 4:
o = RandomObjects.RandomEDecimal(rand);
return(CBORObject.FromObject(o));
case 5:
o = RandomObjects.RandomInt64(rand);
return(CBORObject.FromObject(o));
case 6:
o = RandomObjects.RandomERational(rand);
return(CBORObject.FromObject(o));
default: throw new InvalidOperationException();
}
}
public static CBORObject RandomNumberOrRational(RandomGenerator rand)
{
object o = null;
switch (rand.UniformInt(7))
{
case 0:
o = RandomObjects.RandomDouble(
rand,
Int32.MaxValue);
return(ToObjectTest.TestToFromObjectRoundTrip(o));
case 1:
o = RandomObjects.RandomSingle(
rand,
Int32.MaxValue);
return(ToObjectTest.TestToFromObjectRoundTrip(o));
case 2:
return(ToObjectTest.TestToFromObjectRoundTrip(
RandomObjects.RandomEInteger(rand)));
case 3:
return(ToObjectTest.TestToFromObjectRoundTrip(
RandomObjects.RandomEFloat(rand)));
case 4:
o = RandomObjects.RandomEDecimal(rand);
return(ToObjectTest.TestToFromObjectRoundTrip(o));
case 5:
o = RandomObjects.RandomInt64(rand);
return(ToObjectTest.TestToFromObjectRoundTrip(o));
case 6:
o = RandomObjects.RandomERational(rand);
return(ToObjectTest.TestToFromObjectRoundTrip(o));
default: throw new InvalidOperationException();
}
}
public void TestDivide()
{
var fr = new RandomGenerator();
for (var i = 0; i < 500; ++i)
{
ERational er = RandomObjects.RandomERational(fr);
ERational er2 = RandomObjects.RandomERational(fr);
if (er2.IsZero || !er2.IsFinite)
{
continue;
}
if (er.IsZero || !er.IsFinite)
{
continue;
}
ERational ermult = er.Multiply(er2);
ERational erdiv = ermult.Divide(er);
TestCommon.CompareTestEqual(erdiv, er2);
erdiv = ermult.Divide(er2);
TestCommon.CompareTestEqual(erdiv, er);
}
}
public void TestConversions()
{
var fr = new RandomGenerator();
for (var i = 0; i < 20000; ++i)
{
bool isNum, isTruncated, isInteger;
EInteger eint;
ERational enumber = RandomObjects.RandomERational(fr);
if (!enumber.IsFinite)
{
try {
enumber.ToByteChecked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
Assert.AreEqual(
EInteger.Zero,
EInteger.FromByte(enumber.ToByteUnchecked()));
try {
enumber.ToByteIfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt16Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
Assert.AreEqual(
EInteger.Zero,
EInteger.FromInt16(enumber.ToInt16Unchecked()));
try {
enumber.ToInt16IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt32Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
Assert.AreEqual(
EInteger.Zero,
EInteger.FromInt32(enumber.ToInt32Unchecked()));
try {
enumber.ToInt32IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt64Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
Assert.AreEqual(
EInteger.Zero,
EInteger.FromInt64(enumber.ToInt64Unchecked()));
try {
enumber.ToInt64IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
continue;
}
ERational enumberInteger = ERational.FromEInteger(enumber.ToEInteger());
isInteger = enumberInteger.CompareTo(enumber) == 0;
eint = enumber.ToEInteger();
isNum = enumber.CompareTo(
ERational.FromString("0")) >= 0 && enumber.CompareTo(
ERational.FromString("255")) <= 0;
isTruncated = enumber.ToEInteger().CompareTo(
EInteger.FromString("0")) >= 0 && enumber.ToEInteger().CompareTo(
EInteger.FromString("255")) <= 0;
if (isNum)
{
TestCommon.AssertEquals(
eint,
EInteger.FromByte(enumber.ToByteChecked()));
TestCommon.AssertEquals(
eint,
EInteger.FromByte(enumber.ToByteUnchecked()));
if (isInteger)
{
TestCommon.AssertEquals(
eint,
EInteger.FromByte(enumber.ToByteIfExact()));
}
else
{
try {
enumber.ToByteIfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
else if (isTruncated)
{
TestCommon.AssertEquals(
eint,
EInteger.FromByte(enumber.ToByteChecked()));
TestCommon.AssertEquals(
eint,
EInteger.FromByte(enumber.ToByteUnchecked()));
try {
enumber.ToByteIfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToByteChecked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToByteUnchecked();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
if (isInteger)
{
try {
enumber.ToByteIfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToByteIfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
isNum = enumber.CompareTo(
ERational.FromString("-32768")) >= 0 && enumber.CompareTo(
ERational.FromString("32767")) <= 0;
isTruncated = enumber.ToEInteger().CompareTo(
EInteger.FromString("-32768")) >= 0 && enumber.ToEInteger().CompareTo(
EInteger.FromString("32767")) <= 0;
if (isNum)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt16(enumber.ToInt16Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt16(enumber.ToInt16Unchecked()));
if (isInteger)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt16(enumber.ToInt16IfExact()));
}
else
{
try {
enumber.ToInt16IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
else if (isTruncated)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt16(enumber.ToInt16Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt16(enumber.ToInt16Unchecked()));
try {
enumber.ToInt16IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt16Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt16Unchecked();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
if (isInteger)
{
try {
enumber.ToInt16IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt16IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
isNum = enumber.CompareTo(
ERational.FromString("-2147483648")) >= 0 && enumber.CompareTo(
ERational.FromString("2147483647")) <= 0;
isTruncated = enumber.ToEInteger().CompareTo(
EInteger.FromString("-2147483648")) >= 0 &&
enumber.ToEInteger().CompareTo(
EInteger.FromString("2147483647")) <= 0;
if (isNum)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt32(enumber.ToInt32Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt32(enumber.ToInt32Unchecked()));
if (isInteger)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt32(enumber.ToInt32IfExact()));
}
else
{
try {
enumber.ToInt32IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
else if (isTruncated)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt32(enumber.ToInt32Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt32(enumber.ToInt32Unchecked()));
try {
enumber.ToInt32IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt32Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt32Unchecked();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
if (isInteger)
{
try {
enumber.ToInt32IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt32IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
isNum = enumber.CompareTo(
ERational.FromString("-9223372036854775808")) >= 0 && enumber.CompareTo(
ERational.FromString("9223372036854775807")) <= 0;
isTruncated = enumber.ToEInteger().CompareTo(
EInteger.FromString("-9223372036854775808")) >= 0 &&
enumber.ToEInteger().CompareTo(
EInteger.FromString("9223372036854775807")) <= 0;
if (isNum)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt64(enumber.ToInt64Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt64(enumber.ToInt64Unchecked()));
if (isInteger)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt64(enumber.ToInt64IfExact()));
}
else
{
try {
enumber.ToInt64IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
else if (isTruncated)
{
TestCommon.AssertEquals(
eint,
EInteger.FromInt64(enumber.ToInt64Checked()));
TestCommon.AssertEquals(
eint,
EInteger.FromInt64(enumber.ToInt64Unchecked()));
try {
enumber.ToInt64IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt64Checked();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
enumber.ToInt64Unchecked();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
if (isInteger)
{
try {
enumber.ToInt64IfExact();
Assert.Fail("Should have failed");
} catch (OverflowException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
else
{
try {
enumber.ToInt64IfExact();
Assert.Fail("Should have failed");
} catch (ArithmeticException) {
new Object();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
}
}