public void CompareToCalculatedToDefaultPrecision()
{
using (var a = new HugeFloat(1))
using (var b = new HugeFloat(13))
using (var c = new HugeFloat("12345234589234059823475029384572323"))
using (var d = HugeFloat.Allocate(256))
{
ShiftLeftBy62(c);
d.Value = c;
var expr = a / b + c;
Assert.AreEqual(0, c.CompareTo(expr)); //to precision of c
Assert.AreEqual(0, expr.CompareTo(c)); //to precision of c
Assert.IsFalse(expr > c); //to precision of c
Assert.IsTrue(c == expr); //to precision of c
Assert.AreEqual(0, (c + 0).CompareTo(expr)); //to default precision
Assert.AreEqual(0, expr.CompareTo(c + 0)); //to default precision
Assert.IsFalse(expr > c + 0); //to default precision
Assert.IsTrue(c + 0 == expr); //to default precision
HugeFloat.DefaultPrecision = 256;
Assert.AreEqual(0, c.CompareTo(expr)); //to precision of c
Assert.AreEqual(0, expr.CompareTo(c)); //to precision of c
Assert.IsTrue(c == expr); //to precision of c
Assert.IsFalse(expr > c); //to precision of c
Assert.AreEqual(-1, d.CompareTo(expr)); //to precision of d
Assert.AreEqual(1, expr.CompareTo(d)); //to precision of d
Assert.IsFalse(d == expr); //to precision of d
Assert.IsTrue(expr > d); //to precision of d
Assert.AreEqual(-1, (c * 1).CompareTo(expr)); //to default precision
Assert.AreEqual(1, expr.CompareTo(c + 0)); //to default precision
Assert.IsFalse(c + 0 == expr); //to default precision
Assert.IsTrue(expr > c + 0); //to default precision
HugeFloat.DefaultPrecision = 128;
}
}
public void CompareToCalculatedToDefaultPrecision()
{
using (var a = new HugeFloat(1))
using (var b = new HugeFloat(13))
using (var c = new HugeFloat("12345234589234059823475029384572323"))
using (var d = HugeFloat.Allocate(256))
{
ShiftLeftBy62(c);
d.Value = c;
var expr = a / b + c;
Assert.AreEqual(0, c.CompareTo(expr)); //to precision of c
Assert.AreEqual(0, expr.CompareTo(c)); //to precision of c
Assert.IsFalse(expr > c); //to precision of c
Assert.IsTrue(c == expr); //to precision of c
Assert.AreEqual(0, (c + 0).CompareTo(expr)); //to default precision
Assert.AreEqual(0, expr.CompareTo(c + 0)); //to default precision
Assert.IsFalse(expr > c + 0); //to default precision
Assert.IsTrue(c + 0 == expr); //to default precision
HugeFloat.DefaultPrecision = 256;
Assert.AreEqual(0, c.CompareTo(expr)); //to precision of c
Assert.AreEqual(0, expr.CompareTo(c)); //to precision of c
Assert.IsTrue(c == expr); //to precision of c
Assert.IsFalse(expr > c); //to precision of c
Assert.AreEqual(-1, d.CompareTo(expr)); //to precision of d
Assert.AreEqual(1, expr.CompareTo(d)); //to precision of d
Assert.IsFalse(d == expr); //to precision of d
Assert.IsTrue(expr > d); //to precision of d
Assert.AreEqual(-1, (c * 1).CompareTo(expr)); //to default precision
Assert.AreEqual(1, expr.CompareTo(c + 0)); //to default precision
Assert.IsFalse(c + 0 == expr); //to default precision
Assert.IsTrue(expr > c + 0); //to default precision
HugeFloat.DefaultPrecision = 128;
}
}
public void FloatCompareToHugeFloat()
{
using (var a = new HugeFloat("-22250983250345029834503.9835740293845721345345354"))
using (var b = new HugeFloat("22250983250345029834502.9835740293845721345345354"))
{
Assert.AreEqual(1, Math.Sign(b.CompareTo(a)));
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(-b)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(null)));
}
}
public void FloatCompareToHugeFloat()
{
using (var a = new HugeFloat("-22250983250345029834503.9835740293845721345345354"))
using (var b = new HugeFloat("22250983250345029834502.9835740293845721345345354"))
{
Assert.AreEqual(1, Math.Sign(b.CompareTo(a)));
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(-b)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(null)));
}
}
public void FloatCompareToSignedDouble()
{
using (var a = new HugeFloat("-222509821"))
{
double b = -222509820;
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(b)));
Assert.AreEqual(0, Math.Sign(a.CompareTo(b - 1)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(b - 1.1)));
}
}
public void FloatCompareToSignedLimb()
{
using (var a = new HugeFloat(Platform.Select("-222509825551", "-222509821")))
{
var b = Platform.Si(-222509825550, -222509820);
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(b)));
Assert.AreEqual(0, Math.Sign(a.CompareTo(b - 1)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(b - 2)));
}
}
public void FloatCompareToLimb()
{
using (var a = new HugeFloat(Platform.Select("-22250982876541", "-222509821")))
{
var b = Platform.Ui(22250982876540, 222509820);
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((-(a + 1)).CompareTo(b)));
Assert.AreEqual(0, Math.Sign((-a).CompareTo(b + 1)));
Assert.AreEqual(1, Math.Sign((-a).CompareTo(b)));
}
}
public void FloatCompareToLimb()
{
using (var a = new HugeFloat(Platform.Select("-22250982876541", "-222509821")))
{
var b = Platform.Ui(22250982876540, 222509820);
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((-(a + 1)).CompareTo(b)));
Assert.AreEqual(0, Math.Sign((-a).CompareTo(b + 1)));
Assert.AreEqual(1, Math.Sign((-a).CompareTo(b)));
}
}
public void FloatCompareToNonExpression()
{
using (var a = new HugeFloat("-222509832503450298345029835740293845721.57898962467957"))
{
a.CompareTo("abc");
}
}
public void FloatCompareToNonExpression()
{
using (var a = new HugeFloat("-222509832503450298345029835740293845721.57898962467957"))
{
a.CompareTo("abc");
}
}
public void FloatCompareToHugeIntExpression()
{
var previousDefaultPrecision = HugeFloat.DefaultPrecision;
HugeFloat.DefaultPrecision = 256;
using (var a = new HugeFloat("-222509832503450298345039835740293845721345345354"))
using (var b = new HugeInt("222509832503450298345039835740293845721345345353"))
{
Assert.AreEqual(-1, Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1, Math.Sign(a.CompareTo(-b)));
Assert.AreEqual(0, Math.Sign(a.CompareTo(-b - 1)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(-b - 2)));
Assert.AreEqual(-1, Math.Sign((a + 1).CompareTo(b)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(-b)));
Assert.AreEqual(-1, Math.Sign((a + 1).CompareTo(1 - b)));
Assert.AreEqual(1, Math.Sign((a + 1).CompareTo(-b - 1)));
}
HugeFloat.DefaultPrecision = previousDefaultPrecision;
}
public void FloatCompareToSignedDouble()
{
using (var a = new HugeFloat("-222509821"))
{
double b = -222509820;
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(b)));
Assert.AreEqual(0, Math.Sign(a.CompareTo(b - 1)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(b - 1.1)));
}
}
public void FloatCompareToSignedLimb()
{
using (var a = new HugeFloat(Platform.Select("-222509825551", "-222509821")))
{
var b = Platform.Si(-222509825550, -222509820);
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b)));
Assert.AreEqual(-1,Math.Sign(a.CompareTo(b + 1)));
Assert.AreEqual(0, Math.Sign((a + 1).CompareTo(b)));
Assert.AreEqual(0, Math.Sign(a.CompareTo(b - 1)));
Assert.AreEqual(1, Math.Sign(a.CompareTo(b - 2)));
}
}
