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using System;
#if REAL_T_IS_DOUBLE
using real_t = System.Double;
#else
using real_t = System.Single;
#endif
namespace Godot
{
public static partial class Mathf
{
// Define constants with Decimal precision and cast down to double or float.
public const real_t E = (real_t) 2.7182818284590452353602874714M; // 2.7182817f and 2.718281828459045
public const real_t Sqrt2 = (real_t) 1.4142135623730950488016887242M; // 1.4142136f and 1.414213562373095
#if REAL_T_IS_DOUBLE
public const real_t Epsilon = 1e-14; // Epsilon size should depend on the precision used.
#else
public const real_t Epsilon = 1e-06f;
#endif
public static int DecimalCount(real_t s)
{
return DecimalCount((decimal)s);
}
public static int DecimalCount(decimal s)
{
return BitConverter.GetBytes(decimal.GetBits(s)[3])[2];
}
public static int CeilToInt(real_t s)
{
return (int)Math.Ceiling(s);
}
public static int FloorToInt(real_t s)
{
return (int)Math.Floor(s);
}
public static int RoundToInt(real_t s)
{
return (int)Math.Round(s);
}
public static bool IsEqualApprox(real_t a, real_t b, real_t tolerance)
{
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
return Abs(a - b) < tolerance;
}
}
}
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