/**
* Returns a composed {@link BiDoubleToFloatFunction} that first applies the {@code before}
* functions to its input, and then applies this function to the result. If evaluation of either
* operation throws an exception, it is relayed to the caller of the composed operation. This
* method is just convenience, to provide the ability to execute an operation which accepts {@code
* double} input, before this primitive function is executed.
*
* @param before1 The first function to apply before this function is applied
* @param before2 The second operator to apply before this function is applied
* @return A composed {@code BiDoubleToFloatFunction} that first applies the {@code before}
* functions to its input, and then applies this function to the result.
* @throws NullPointerException If given argument is {@code null}
* @implSpec The input argument of this method is a able to handle primitive values. In this case
* this is {@code double}.
*/
@Nonnull
default BiDoubleToFloatFunction composeFromDouble(
@Nonnull final DoubleFunction<? extends T> before1,
@Nonnull final DoubleUnaryOperator before2) {
Objects.requireNonNull(before1);
Objects.requireNonNull(before2);
return (value1, value2) -> applyAsFloat(before1.apply(value1), before2.applyAsDouble(value2));
}
/**
* Returns a composed {@link BiDoublePredicate} that first applies the {@code before} functions to
* its input, and then applies this predicate to the result. If evaluation of either operation
* throws an exception, it is relayed to the caller of the composed operation. This method is just
* convenience, to provide the ability to execute an operation which accepts {@code double} input,
* before this primitive predicate is executed.
*
* @param before1 The first function to apply before this predicate is applied
* @param before2 The second function to apply before this predicate is applied
* @return A composed {@code BiDoublePredicate} that first applies the {@code before} functions to
* its input, and then applies this predicate to the result.
* @throws NullPointerException If given argument is {@code null}
* @implSpec The input argument of this method is a able to handle primitive values. In this case
* this is {@code double}.
*/
@Nonnull
default BiDoublePredicate composeFromDouble(
@Nonnull final DoubleFunction<? extends T> before1,
@Nonnull final DoubleToCharFunction before2) {
Objects.requireNonNull(before1);
Objects.requireNonNull(before2);
return (value1, value2) -> test(before1.apply(value1), before2.applyAsChar(value2));
}
/**
* Returns a composed {@link TriDoubleConsumer} that first applies the {@code before} functions to
* its input, and then applies this consumer to the result. If evaluation of either operation
* throws an exception, it is relayed to the caller of the composed operation. This method is just
* convenience, to provide the ability to execute an operation which accepts {@code double} input,
* before this primitive consumer is executed.
*
* @param before1 The first function to apply before this consumer is applied
* @param before2 The second function to apply before this consumer is applied
* @param before3 The third function to apply before this consumer is applied
* @return A composed {@code TriDoubleConsumer} that first applies the {@code before} functions to
* its input, and then applies this consumer to the result.
* @throws NullPointerException If given argument is {@code null}
* @implSpec The input argument of this method is a able to handle primitive values. In this case
* this is {@code double}.
*/
@Nonnull
default TriDoubleConsumer composeFromDouble(
@Nonnull final DoubleFunction<? extends T> before1,
@Nonnull final DoubleToIntFunction before2,
@Nonnull final DoubleToIntFunction before3) {
Objects.requireNonNull(before1);
Objects.requireNonNull(before2);
Objects.requireNonNull(before3);
return (value1, value2, value3) ->
accept(before1.apply(value1), before2.applyAsInt(value2), before3.applyAsInt(value3));
}
/**
* Returns a composed {@link TriDoubleToCharFunction} that first applies the {@code before}
* functions to its input, and then applies this function to the result. If evaluation of either
* operation throws an exception, it is relayed to the caller of the composed operation. This
* method is just convenience, to provide the ability to execute an operation which accepts {@code
* double} input, before this primitive function is executed.
*
* @param before1 The first function to apply before this function is applied
* @param before2 The second function to apply before this function is applied
* @param before3 The third function to apply before this function is applied
* @return A composed {@code TriDoubleToCharFunction} that first applies the {@code before}
* functions to its input, and then applies this function to the result.
* @throws NullPointerException If given argument is {@code null}
* @implSpec The input argument of this method is a able to handle primitive values. In this case
* this is {@code double}.
*/
@Nonnull
default TriDoubleToCharFunction composeFromDouble(
@Nonnull final DoubleFunction<? extends T> before1,
@Nonnull final DoubleToByteFunction before2,
@Nonnull final DoubleToByteFunction before3) {
Objects.requireNonNull(before1);
Objects.requireNonNull(before2);
Objects.requireNonNull(before3);
return (value1, value2, value3) ->
applyAsChar(
before1.apply(value1), before2.applyAsByte(value2), before3.applyAsByte(value3));
}
private <E extends RuntimeException> void assertDoubleFunction(
DoubleFunction<Object> test, Class<E> type) {
assertNotNull(test);
try {
test.apply(0.0);
fail();
} catch (RuntimeException e) {
assertException(type, e, "0.0");
}
try {
DoubleStream.of(1.0, 2.0, 3.0).mapToObj(test);
} catch (RuntimeException e) {
assertException(type, e, "1.0");
}
}
/**
* @param varFn New value
* @return this object with mutated value
*/
public MutableDouble mutate(DoubleFunction<Double> varFn) {
this.var = varFn.apply(this.var);
return this;
}
