net.thisptr.jackson.jq.internal.functions.MathFunction Maven / Gradle / Ivy

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package net.thisptr.jackson.jq.internal.functions;

import java.util.List;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.DoubleNode;
import com.fasterxml.jackson.databind.node.JsonNodeType;
import com.google.auto.service.AutoService;

import net.thisptr.jackson.jq.BuiltinFunction;
import net.thisptr.jackson.jq.Expression;
import net.thisptr.jackson.jq.Function;
import net.thisptr.jackson.jq.PathOutput;
import net.thisptr.jackson.jq.Scope;
import net.thisptr.jackson.jq.Version;
import net.thisptr.jackson.jq.exception.JsonQueryException;
import net.thisptr.jackson.jq.internal.misc.Preconditions;
import net.thisptr.jackson.jq.path.Path;

public abstract class MathFunction implements Function {
	@Override
	public void apply(final Scope scope, final List args, final JsonNode in, final Path ipath, final PathOutput output, final Version version) throws JsonQueryException {
		Preconditions.checkInputType("mathfunc", in, JsonNodeType.NUMBER);
		output.emit(new DoubleNode(f(in.asDouble())), null);
	}

	protected abstract double f(final double f);

	@AutoService(Function.class)
	@BuiltinFunction("atan/0")
	public static class AtanFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.atan(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("tan/0")
	public static class TanFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.tan(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("tanh/0")
	public static class TanhFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.tanh(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("acos/0")
	public static class AcosFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.acos(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("cos/0")
	public static class CosFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.cos(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("cosh/0")
	public static class CoshFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.cosh(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("floor/0")
	public static class FloorFunction extends MathFunction {
		@Override
		protected double f(double f) {
			return Math.floor(f);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction(value = "round/0", version = "[1.6, )")
	public static class RoundFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return v >= 0 ? Math.round(v) : -Math.round(-v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("asin/0")
	public static class AsinFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.asin(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("sin/0")
	public static class SinFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.sin(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("sinh/0")
	public static class SinhFunction extends MathFunction {
		@Override
		protected double f(double v) {
			return Math.sinh(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("cbrt/0")
	public static class CbrtFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.cbrt(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("sqrt/0")
	public static class SqrtFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.sqrt(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("log2/0")
	public static class Log2Function extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.log10(v) / Math.log10(2);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("log/0")
	public static class LogFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.log(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("log10/0")
	public static class Log10Function extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.log10(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction(value = "log1p/0", version = "[1.6, )")
	public static class Log1pFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.log1p(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("exp/0")
	public static class ExpFunction extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.exp(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction(value = "expm1/0", version = "[1.6, )")
	public static class Expm1Function extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.expm1(v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction("exp2/0")
	public static class Exp2Function extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.pow(2, v);
		}
	}

	@AutoService(Function.class)
	@BuiltinFunction(value = "exp10/0", version = "[1.6, )")
	public static class Exp10Function extends MathFunction {
		@Override
		protected double f(final double v) {
			return Math.pow(10, v);
		}
	}
}