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Precision: rename decimals to digits

v4
Christoph Ruegg 6 years ago
parent
7cf756e841
commit
127b0d0895
1 changed files with 42 additions and 42 deletions
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  1. 84
      src/Numerics/Precision.cs

84
src/Numerics/Precision.cs
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@ -816,144 +816,144 @@ namespace MathNet.Numerics
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static double Round(this double number, int decimals)
public static double Round(this double number, int digits)
{
return decimals >= 0
? Math.Round(number, decimals, MidpointRounding.AwayFromZero)
: RoundToMultiple(number, Math.Pow(10.0, -decimals));
return digits >= 0
? Math.Round(number, digits, MidpointRounding.AwayFromZero)
: RoundToMultiple(number, Math.Pow(10.0, -digits));
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static float Round(this float number, int decimals)
public static float Round(this float number, int digits)
{
return (float) Round((double) number, decimals);
return (float) Round((double) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static decimal Round(this decimal number, int decimals)
public static decimal Round(this decimal number, int digits)
{
return decimals >= 0
? Math.Round(number, decimals, MidpointRounding.AwayFromZero)
: RoundToMultiple(number, (decimal) Math.Pow(10.0, -decimals));
return digits >= 0
? Math.Round(number, digits, MidpointRounding.AwayFromZero)
: RoundToMultiple(number, (decimal) Math.Pow(10.0, -digits));
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static int Round(this int number, int decimals)
public static int Round(this int number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (int) Round((decimal) number, decimals);
: (int) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
[CLSCompliant(false)]
public static uint Round(this uint number, int decimals)
public static uint Round(this uint number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (uint) Round((decimal) number, decimals);
: (uint) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static long Round(this long number, int decimals)
public static long Round(this long number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (long) Round((decimal) number, decimals);
: (long) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
[CLSCompliant(false)]
public static ulong Round(this ulong number, int decimals)
public static ulong Round(this ulong number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (ulong) Round((decimal) number, decimals);
: (ulong) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static short Round(this short number, int decimals)
public static short Round(this short number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (short) Round((decimal) number, decimals);
: (short) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
[CLSCompliant(false)]
public static ushort Round(this ushort number, int decimals)
public static ushort Round(this ushort number, int digits)
{
return decimals >= 0
return digits >= 0
? number
: (ushort) Round((decimal) number, decimals);
: (ushort) Round((decimal) number, digits);
}
/// <summary>
/// Round to the number closest to 10^(-decimals). Negative decimals to round within the integer part.
/// </summary>
/// <param name="number">Number to be rounded</param>
/// <param name="decimals">Number of decimals to round to. Negative to round within the integer part, e.g. -3 will wound to the closes 1000.</param>
/// <param name="digits">If positive the number of decimals to round to. If negative the number of digits within the integer part to round, e.g. -3 will wound to the closes 1000.</param>
/// <example>To round 123456789 to hundreds Round(123456789, -2) = 123456800 </example>
/// <returns>Rounded number</returns>
public static BigInteger Round(this BigInteger number, int decimals)
public static BigInteger Round(this BigInteger number, int digits)
{
if (decimals >= 0)
if (digits >= 0)
{
return number;
}
var onelarger = number / BigInteger.Pow(10, (-decimals)-1);
var onelarger = number / BigInteger.Pow(10, (-digits)-1);
var divided = onelarger / 10;
var lastDigit = onelarger - divided * 10;
if (lastDigit >= 5)
@ -961,7 +961,7 @@ namespace MathNet.Numerics
divided += 1;
}
return divided * BigInteger.Pow(10, -decimals);
return divided * BigInteger.Pow(10, -digits);
}
[TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]

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