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Fix and cover standard library functions
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codex 2026-06-28 00:31:44 -05:00
commit 858717deae
11 changed files with 146 additions and 30 deletions
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6
src/StandardLibrary/Functions/Lerp.cs
View file

@ -56,9 +56,9 @@ namespace CSMic.StandardLibrary.Functions
var input2 = _args[1].Value;
var input3 = _args[2].Value;
decimal start = Convert.ToDecimal(input);
decimal end = Convert.ToDecimal(input2);
decimal ammount = Convert.ToDecimal(input3);
decimal start = Convert.ToDecimal(input.Value);
decimal end = Convert.ToDecimal(input2.Value);
decimal ammount = Convert.ToDecimal(input3.Value);
if (start == end)
{

10
src/StandardLibrary/Functions/Map.cs
View file

@ -64,11 +64,11 @@ namespace CSMic.StandardLibrary.Functions
var input4 = _args[3].Value;
var input5 = _args[4].Value;
decimal number = Convert.ToDecimal(input);
decimal oldMinimum = Convert.ToDecimal(input2);
decimal oldMaximum = Convert.ToDecimal(input3);
decimal newMinimum = Convert.ToDecimal(input4);
decimal newMaximum = Convert.ToDecimal(input5);
decimal number = Convert.ToDecimal(input.Value);
decimal oldMinimum = Convert.ToDecimal(input2.Value);
decimal oldMaximum = Convert.ToDecimal(input3.Value);
decimal newMinimum = Convert.ToDecimal(input4.Value);
decimal newMaximum = Convert.ToDecimal(input5.Value);
if (oldMinimum == oldMaximum)
{

6
src/StandardLibrary/Functions/Normalize.cs
View file

@ -57,9 +57,9 @@ namespace CSMic.StandardLibrary.Functions
var input2 = _args[1].Value;
var input3 = _args[2].Value;
decimal number = Convert.ToDecimal(input);
decimal minimum = Convert.ToDecimal(input2);
decimal maximum = Convert.ToDecimal(input3);
decimal number = Convert.ToDecimal(input.Value);
decimal minimum = Convert.ToDecimal(input2.Value);
decimal maximum = Convert.ToDecimal(input3.Value);
if (minimum == maximum)
{

2
src/StandardLibrary/Functions/NumberTheory/Fibonacci.cs
View file

@ -86,7 +86,7 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
{
var input = _args[0].Value;
int index = Convert.ToInt32(input);
int index = Convert.ToInt32(input.Value);
if(index <= 0 || index > 140)
{

17
src/StandardLibrary/Functions/NumberTheory/Identity.cs
View file

@ -53,7 +53,7 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
{
var input = _args[0].Value;
decimal value = Convert.ToDecimal(input);
decimal value = Convert.ToDecimal(input.Value);
return new FunctionValue(FunctionValueType.Numeric, IsEven.CalculateIsEven(value) ? 1m : 0m);
});
@ -61,7 +61,7 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
internal static bool CalculateIsEven(decimal value)
{
return true;
return IsInt.CalculateIsInt(value) && value % 2m == 0m;
}
}
@ -113,11 +113,16 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
{
var input = _args[0].Value;
decimal value = Convert.ToDecimal(input);
decimal value = Convert.ToDecimal(input.Value);
return new FunctionValue(FunctionValueType.Numeric, IsEven.CalculateIsEven(value) ? 0m : 1m);
return new FunctionValue(FunctionValueType.Numeric, CalculateIsOdd(value) ? 1m : 0m);
});
}
internal static bool CalculateIsOdd(decimal value)
{
return IsInt.CalculateIsInt(value) && value % 2m != 0m;
}
}
/// <summary>
@ -169,7 +174,7 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
{
var input = _args[0].Value;
decimal value = Convert.ToDecimal(input);
decimal value = Convert.ToDecimal(input.Value);
return new FunctionValue(FunctionValueType.Numeric, CalculateIsInt(value) ? 1m : 0m);
});
@ -255,7 +260,7 @@ namespace CSMic.StandardLibrary.Functions.NumberTheory
{
var input = _args[0].Value;
decimal value = Convert.ToDecimal(input);
decimal value = Convert.ToDecimal(input.Value);
return new FunctionValue(FunctionValueType.Numeric, CalculateIsPrime(value) ? 1m : 0m);
});

16
src/StandardLibrary/Functions/SmoothStep.cs
View file

@ -5,7 +5,7 @@ using System.Text;
namespace CSMic.StandardLibrary.Functions
{
/// <summary>
/// Represents the standard-library <c>lerp</c> smooth-step function.
/// Represents the standard-library <c>smoothstep</c> function.
/// </summary>
/// <remarks>
/// This function evaluates a value between two edges, clamps it to the range from <c>0</c> through <c>1</c>, and
@ -16,17 +16,17 @@ namespace CSMic.StandardLibrary.Functions
/// <summary>
/// Gets the expression-language name used to invoke this function.
/// </summary>
/// <value><c>lerp</c>.</value>
/// <value><c>smoothstep</c>.</value>
public string Name
{
get
{
return "lerp";
return "smoothstep";
}
}
/// <summary>
/// Gets the argument signature expected by the <c>lerp</c> smooth-step function.
/// Gets the argument signature expected by the <c>smoothstep</c> function.
/// </summary>
/// <value>Three numeric arguments named <c>startEdge</c>, <c>endEdge</c>, and <c>value</c>.</value>
public override IEnumerable<FunctionArgument> ExpectedArguments
@ -40,7 +40,7 @@ namespace CSMic.StandardLibrary.Functions
}
/// <summary>
/// Executes the <c>lerp</c> smooth-step function.
/// Executes the <c>smoothstep</c> function.
/// </summary>
/// <param name="args">
/// The evaluated arguments supplied to the function. Exactly three numeric arguments are expected.
@ -56,9 +56,9 @@ namespace CSMic.StandardLibrary.Functions
var input2 = _args[1].Value;
var input3 = _args[2].Value;
decimal startEdge = Convert.ToDecimal(input);
decimal endEdge = Convert.ToDecimal(input2);
decimal value = Convert.ToDecimal(input3);
decimal startEdge = Convert.ToDecimal(input.Value);
decimal endEdge = Convert.ToDecimal(input2.Value);
decimal value = Convert.ToDecimal(input3.Value);
var normalization = Math.Clamp((value - startEdge) / (endEdge - startEdge), 0, 1);
var polynomialization = normalization * normalization * (3 - (2 * normalization));

13
src/StandardLibrary/Initializer.cs
View file

@ -65,6 +65,13 @@ namespace CSMic.StandardLibrary
inputInterpreter.RegisterFunction(new Min());
inputInterpreter.RegisterFunction(new Max());
inputInterpreter.RegisterFunction(new SquareRoot());
inputInterpreter.RegisterFunction(new Power());
inputInterpreter.RegisterFunction(new Log());
inputInterpreter.RegisterFunction(new Natural_Log());
inputInterpreter.RegisterFunction(new Lerp());
inputInterpreter.RegisterFunction(new SmoothStep());
inputInterpreter.RegisterFunction(new Map());
inputInterpreter.RegisterFunction(new Normalize());
}
/// <summary> Initializes the angle-related functions. </summary>
@ -97,6 +104,11 @@ namespace CSMic.StandardLibrary
inputInterpreter.RegisterFunction(new Permutations());
inputInterpreter.RegisterFunction(new GreatestCommonDivisor());
inputInterpreter.RegisterFunction(new LeastCommonMultiple());
inputInterpreter.RegisterFunction(new Fibonacci());
inputInterpreter.RegisterFunction(new IsEven());
inputInterpreter.RegisterFunction(new IsOdd());
inputInterpreter.RegisterFunction(new IsInt());
inputInterpreter.RegisterFunction(new IsPrime());
}
/// <summary> Initializes the rounding functions. </summary>
@ -178,6 +190,7 @@ namespace CSMic.StandardLibrary
inputInterpreter.Interpret("tau :: 6.2831853071795862");
inputInterpreter.Interpret("phi :: 1.6180339887498948");
inputInterpreter.Interpret("goldenratio :: 1.6180339887498948");
inputInterpreter.Interpret("eurler :: 0.5772156649015329");
inputInterpreter.Interpret("euler :: 0.5772156649015329");
inputInterpreter.Interpret("omega :: 0.5671432904097839");
}

14
src/StandardLibrary/README.md
View file

@ -42,6 +42,7 @@ decimal result = interpreter.Interpret("max(10, abs(-12))");
- `phi`
- `goldenratio`
- `eurler`
- `euler`
- `omega`
Constants are stored as interpreter variables, so they can be used in normal expressions:
@ -59,6 +60,14 @@ Base functions:
- `sign(value)`
- `min(left, right)`
- `max(left, right)`
- `sqrt(value)`
- `pow(base, exponent)`
- `log(value, base)`
- `ln(value)`
- `lerp(start, end, amount)`
- `smoothstep(startEdge, endEdge, value)`
- `map(value, oldMinimum, oldMaximum, newMinimum, newMaximum)`
- `normalize(value, minimum, maximum)`
Angle functions:
@ -101,6 +110,11 @@ Number theory functions:
- `npr(n, r)`
- `gcd(left, right)`
- `lcm(left, right)`
- `fib(index)`
- `iseven(value)`
- `isodd(value)`
- `isint(value)`
- `isprime(value)`
Random functions: