466 lines
13 KiB
Swift
466 lines
13 KiB
Swift
// Copyright © 2014-2019 the Surge contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import XCTest
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@testable import Surge
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// swiftlint:disable nesting type_body_length
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class ArithmeticTests: XCTestCase {
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// MARK: - Addition: In Place
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func test_add_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.eladdInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 + $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_add_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.eladdInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 + $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Subtraction: In Place
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func test_sub_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.elsubInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 - $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_sub_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.elsubInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 - $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Multiplication: In Place
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func test_mul_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.elmulInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 * $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_mul_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.elmulInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 * $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Division: In Place
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func test_div_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.eldivInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 / $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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func test_div_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.eldivInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { $0 / $1 }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Modulo: In Place
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func test_mod_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: 2.0)
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var actual: [Scalar] = lhs
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Surge.elmodInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { fmod($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_mod_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: 2.0)
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var actual: [Scalar] = lhs
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Surge.elmodInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { fmod($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Remainder: In Place
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func test_remainder_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: -2.0)
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var actual: [Scalar] = lhs
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Surge.remainderInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { remainder($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_remainder_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: -2.0)
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var actual: [Scalar] = lhs
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Surge.remainderInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { remainder($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Exponential: In Place
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func test_exp_in_place_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.expInPlace(&actual)
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let expected = lhs.map { exp($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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func test_exp_in_place_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.expInPlace(&actual)
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let expected = lhs.map { exp($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Square Exponential: In Place
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func test_exp2_in_place_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.exp2InPlace(&actual)
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let expected = lhs.map { exp2($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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func test_exp2_in_place_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.exp2InPlace(&actual)
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let expected = lhs.map { exp2($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Power: In Place
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func test_pow_in_place_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: 2.0)
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var actual: [Scalar] = lhs
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Surge.powInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { pow($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-5)
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}
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func test_pow_in_place_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = [Scalar].constant(of: 2.0)
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var actual: [Scalar] = lhs
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Surge.powInPlace(&actual, rhs)
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let expected = zip(lhs, rhs).map { pow($0, $1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_pow_in_place_array_scalar_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: Scalar = 2.0
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var actual: [Scalar] = lhs
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Surge.powInPlace(&actual, rhs)
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let expected = lhs.map { pow($0, rhs) }
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XCTAssertEqual(actual, expected, accuracy: 1e-5)
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}
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func test_pow_in_place_array_scalar_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: Scalar = 2.0
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var actual: [Scalar] = lhs
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Surge.powInPlace(&actual, rhs)
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let expected = lhs.map { pow($0, rhs) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Square: In Place
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func test_sq_in_place_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.sqInPlace(&actual)
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let expected = lhs.map { pow($0, 2.0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-5)
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}
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func test_sq_in_place_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.sqInPlace(&actual)
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let expected = lhs.map { pow($0, 2.0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Square Root: In Place
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func test_sqrt_in_place_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.sqrtInPlace(&actual)
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let expected = lhs.map { sqrt($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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func test_sqrt_in_place_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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var actual: [Scalar] = lhs
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Surge.sqrtInPlace(&actual)
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let expected = lhs.map { sqrt($0) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Dot Product
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func test_dot_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.dot(lhs, rhs)
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let expected = zip(lhs, rhs).reduce(0) { $0 + ($1.0 * $1.1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-1)
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}
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func test_dot_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.dot(lhs, rhs)
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let expected = zip(lhs, rhs).reduce(0) { $0 + ($1.0 * $1.1) }
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XCTAssertEqual(actual, expected, accuracy: 1e-8)
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}
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// MARK: - Distance
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func test_dist_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.dist(lhs, rhs)
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let expected: Scalar = sqrt(zip(lhs, rhs).map { $0 - $1 }.map { $0 * $0 }.reduce(0.0, +))
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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func test_dist_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.dist(lhs, rhs)
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let expected: Scalar = sqrt(zip(lhs, rhs).map { $0 - $1 }.map { $0 * $0 }.reduce(0.0, +))
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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// MARK: - Distance Squared
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func test_distsq_array_array_float() {
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typealias Scalar = Float
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.distSq(lhs, rhs)
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let partialDistances: [Scalar] = zip(lhs, rhs).map { $0 - $1 }
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let partialDistancesSquared: [Scalar] = partialDistances.map { $0 * $0 }
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let expected: Scalar = partialDistancesSquared.reduce(0.0, +)
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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func test_distsq_array_array_double() {
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typealias Scalar = Double
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let lhs: [Scalar] = .monotonicNormalized()
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let rhs: [Scalar] = .monotonicNormalized()
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let actual: Scalar = Surge.distSq(lhs, rhs)
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let partialDistances: [Scalar] = zip(lhs, rhs).map { $0 - $1 }
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let partialDistancesSquared: [Scalar] = partialDistances.map { $0 * $0 }
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let expected: Scalar = partialDistancesSquared.reduce(0.0, +)
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XCTAssertEqual(actual, expected, accuracy: 1e-6)
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}
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}
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