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//===--- tgmath.swift.gyb -------------------------------------*- swift -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// -*- swift -*-
// RUN: %empty-directory(%t)
// RUN: %gyb %s -o %t/tgmath.swift
// RUN: %line-directive %t/tgmath.swift -- %target-build-swift %t/tgmath.swift -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %line-directive %t/tgmath.swift -- %target-run %t/a.out
// REQUIRES: executable_test
// REQUIRES: rdar94452524
#if canImport(Darwin)
import Darwin.C.tgmath
#elseif canImport(Glibc)
import Glibc
#elseif os(WASI)
import WASILibc
#elseif os(Windows)
import CRT
#else
#error("Unsupported platform")
#endif
#if (arch(i386) || arch(x86_64)) && !os(Windows)
typealias TestLiteralType = Float80
#else
typealias TestLiteralType = Double
#endif
import StdlibUnittest
let MathTests = TestSuite("TGMath")
func expectEqualWithTolerance<T>(_ expected: TestLiteralType, _ actual: T,
ulps allowed: T = 3,
file: String = #file, line: UInt = #line)
where T: BinaryFloatingPoint {
if actual == T(expected) || actual.isNaN && expected.isNaN {
return
}
// Compute error in ulp, compare to tolerance.
let absoluteError = T(abs(TestLiteralType(actual) - expected))
let ulpError = absoluteError / T(expected).ulp
expectTrue(ulpError <= allowed,
"\(actual) != \(expected) as \(T.self)" +
"\n \(ulpError)-ulp error exceeds \(allowed)-ulp tolerance.",
file: file, line: line)
}
%{
unary = [
'acos', 'asin', 'atan',
'cos', 'sin', 'tan',
'acosh', 'asinh', 'atanh',
'cosh', 'sinh', 'tanh',
'exp', 'exp2', 'expm1',
'log', 'log2', 'log1p', 'log10', 'logb',
'fabs', 'cbrt', 'sqrt',
'erf', 'erfc',
'tgamma',
'ceil', 'floor', 'nearbyint', 'rint', 'trunc',
]
binary = [
'atan2', 'hypot', 'pow', 'fmod', 'copysign', 'nextafter',
'fdim', 'fmin', 'fmax'
]
}%
internal protocol TGMath: BinaryFloatingPoint {
%for f in unary:
static func _${f}(_ x: Self) -> Self
%end
%for f in binary:
static func _${f}(_ x: Self, _ y: Self) -> Self
%end
static func _remquo(_ x: Self, _ y: Self) -> (Self, Int)
static func _fma(_ x: Self, _ y: Self, _ z: Self) -> Self
#if !os(Windows) && !os(OpenBSD)
static func _lgamma(_ x: Self) -> (Self, Int)
#endif
static func _modf(_ x: Self) -> (Self, Self)
static func _scalbn(_ x: Self, _ n: Int) -> Self
static func _frexp(_ x: Self) -> (Self, Int)
static func _ilogb(_ x: Self) -> Int
}
internal extension TGMath {
static func allTests() {
/* Default tolerance is 3 ulps unless specified otherwise. It's OK to relax
* this as needed for new platforms, as these tests are *not* intended to
* validate the math library--they are only intended to check that the
* Swift bindings are calling the right functions in the math library. */
expectEqualWithTolerance(1.1863995522992575361931268186727044683, Self._acos(0.375))
expectEqualWithTolerance(0.3843967744956390830381948729670469737, Self._asin(0.375))
expectEqualWithTolerance(0.3587706702705722203959200639264604997, Self._atan(0.375))
expectEqualWithTolerance(0.9305076219123142911494767922295555080, Self._cos(0.375))
expectEqualWithTolerance(0.3662725290860475613729093517162641571, Self._sin(0.375))
expectEqualWithTolerance(0.3936265759256327582294137871012180981, Self._tan(0.375))
expectEqualWithTolerance(0.4949329230945269058895630995767185785, Self._acosh(1.125))
expectEqualWithTolerance(0.9670596312833237113713762009167286709, Self._asinh(1.125))
expectEqualWithTolerance(0.7331685343967135223291211023213964500, Self._atanh(0.625))
expectEqualWithTolerance(1.0711403467045867672994980155670160493, Self._cosh(0.375))
expectEqualWithTolerance(0.3838510679136145687542956764205024589, Self._sinh(0.375))
expectEqualWithTolerance(0.3583573983507859463193602315531580424, Self._tanh(0.375))
expectEqualWithTolerance(1.4549914146182013360537936919875185083, Self._exp(0.375))
expectEqualWithTolerance(1.2968395546510096659337541177924511598, Self._exp2(0.375))
expectEqualWithTolerance(0.4549914146182013360537936919875185083, Self._expm1(0.375))
expectEqualWithTolerance(-0.980829253011726236856451127452003999, Self._log(0.375))
expectEqualWithTolerance(-1.415037499278843818546261056052183491, Self._log2(0.375))
expectEqualWithTolerance(0.3184537311185346158102472135905995955, Self._log1p(0.375))
expectEqualWithTolerance(-0.425968732272281148346188780918363771, Self._log10(0.375))
expectEqual(-2, Self._logb(0.375))
expectEqual(0.375, Self._fabs(-0.375))
expectEqualWithTolerance(0.7211247851537041911608191553900547941, Self._cbrt(0.375))
expectEqualWithTolerance(0.6123724356957945245493210186764728479, Self._sqrt(0.375))
expectEqualWithTolerance(0.4041169094348222983238250859191217675, Self._erf(0.375))
expectEqualWithTolerance(0.5958830905651777016761749140808782324, Self._erfc(0.375))
expectEqualWithTolerance(2.3704361844166009086464735041766525098, Self._tgamma(0.375))
#if !os(Windows) && !os(OpenBSD)
expectEqualWithTolerance( -0.11775527074107877445136203331798850, Self._lgamma(1.375).0, ulps: 16)
expectEqual(1, Self._lgamma(1.375).1)
#endif
expectEqual(1, Self._ceil(0.375))
expectEqual(0, Self._floor(0.375))
expectEqual(0, Self._nearbyint(0.375))
expectEqual(0, Self._rint(0.375))
expectEqual(0, Self._trunc(0.375))
expectEqual(0, Self._ceil(-0.625))
expectEqual(-1, Self._floor(-0.625))
expectEqual(-1, Self._nearbyint(-0.625))
expectEqual(-1, Self._rint(-0.625))
expectEqual(0, Self._trunc(-0.625))
expectEqual(0, Self._ceil(-0.5))
expectEqual(-1, Self._floor(-0.5))
expectEqual(-0.0, Self._nearbyint(-0.5))
expectEqual(-0.0, Self._rint(-0.5))
expectEqual(0, Self._trunc(-0.5))
expectEqualWithTolerance(0.54041950027058415544357836460859991, Self._atan2(0.375, 0.625))
expectEqualWithTolerance(0.72886898685566255885926910969319788, Self._hypot(0.375, 0.625))
expectEqualWithTolerance(0.54171335479545025876069682133938570, Self._pow(0.375, 0.625))
expectEqual(0.375, Self._fmod(1, 0.625))
expectEqual(-0.375, Self._copysign(0.375, -0.625))
expectEqual(Self(0.375).nextUp, Self._nextafter(0.375, 1))
expectEqual(Self(0.375).nextDown, Self._nextafter(0.375, 0))
expectEqual(0, Self._fdim(0.375, 0.625))
expectEqual(0.375, Self._fmin(0.375, 0.625))
expectEqual(0.625, Self._fmax(0.375, 0.625))
expectEqual(-Self.ulpOfOne*Self.ulpOfOne,
Self._fma(1 + .ulpOfOne, 1 - .ulpOfOne, -1))
expectEqual((1.0, 0.125), Self._modf(1.125))
expectEqual(2.5, Self._scalbn(0.625, 2))
expectEqual((0.625, 2), Self._frexp(2.5))
expectEqual(1, Self._ilogb(2.5))
#if os(Linux) && arch(x86_64)
// FIXME: https://github.com/apple/swift/issues/49782
// double-precision remquo is broken in the glibc in 14.04. Disable this
// test for all Linux in the short-term to un-FAIL the build.
if Self.significandBitCount != 52 {
expectEqual(-0.25, Self._remquo(16, 0.625).0)
expectEqual(2, Self._remquo(16, 0.625).1 & 7)
}
#else
expectEqual(-0.25, Self._remquo(16, 0.625).0)
expectEqual(2, Self._remquo(16, 0.625).1 & 7)
#endif
}
}
%for T in ['Float', 'Double', 'CGFloat', 'Float80']:
% if T == 'Float80':
#if (arch(i386) || arch(x86_64)) && !os(Windows)
% elif T == 'CGFloat':
#if _runtime(_ObjC) && canImport(CoreGraphics)
import CoreGraphics
% end
extension ${T}: TGMath {
% for f in unary:
static func _${f}(_ x: ${T}) -> ${T} { return ${f}(x) }
% end
%for f in binary:
static func _${f}(_ x: ${T}, _ y: ${T}) -> ${T} { return ${f}(x, y) }
%end
static func _remquo(_ x: ${T}, _ y: ${T}) -> (${T}, Int) { return remquo(x, y) }
static func _fma(_ x: ${T}, _ y: ${T}, _ z: ${T}) -> ${T} { return fma(x, y, z) }
#if !os(Windows) && !os(OpenBSD)
static func _lgamma(_ x: ${T}) -> (${T}, Int) { return lgamma(x) }
#endif
static func _modf(_ x: ${T}) -> (${T}, ${T}) { return modf(x) }
static func _scalbn(_ x: ${T}, _ n: Int) -> ${T} { return scalbn(x, n) }
static func _frexp(_ x: ${T}) -> (${T}, Int) { return frexp(x) }
static func _ilogb(_ x: ${T}) -> Int { return ilogb(x) }
}
MathTests.test("${T}") {
${T}.allTests()
% if T in ['Double','CGFloat']:
// Functions that are defined only for Double and CGFloat
expectEqualWithTolerance(0.99750156206604, j0(0.1), ulps: 16)
expectEqualWithTolerance(0.049937526036242, j1(0.1), ulps: 16)
expectEqualWithTolerance(1.2229926610356451e-22, jn(11, 0.1), ulps: 16)
expectEqualWithTolerance(-1.5342386513503667, y0(0.1), ulps: 16)
expectEqualWithTolerance(-6.458951094702027, y1(0.1), ulps: 16)
expectEqualWithTolerance(-2.3662012944869576e+20, yn(11, 0.1), ulps: 16)
% end
}
% if T in ['CGFloat', 'Float80']:
#endif
% end
%end
runAllTests()
|
