use std::f64::consts::PI; use std::f64::{NAN, NEG_INFINITY}; use js_sys::*; use wasm_bindgen_test::*; macro_rules! assert_eq { ($a:expr, $b:expr) => {{ let (a, b) = (&$a, &$b); if f64::is_infinite(*a) && f64::is_infinite(*b) { assert!(a == b); } else { assert!( (*a - *b).abs() < 1.0e-6, "not approximately equal {:?} ?= {:?}", a, b ); } }}; } #[wasm_bindgen_test] fn abs() { assert_eq!(Math::abs(-32.), 32.); assert_eq!(Math::abs(-32.), 32.); assert_eq!(Math::abs(-4.7), 4.7); } #[wasm_bindgen_test] fn acos() { assert_eq!(Math::acos(-1.), PI); assert_eq!(Math::acos(0.5), 1.0471975511965979); assert!(Math::acos(2.).is_nan()); } #[wasm_bindgen_test] fn acosh() { assert_eq!(Math::acosh(1.), 0.); assert_eq!(Math::acosh(2.), 2.0f64.acosh()); assert!(Math::acosh(0.5).is_nan()); } #[wasm_bindgen_test] fn asin() { assert_eq!(Math::asin(1.), 1.0f64.asin()); assert_eq!(Math::asin(0.5), 0.5f64.asin()); assert!(Math::asin(2.).is_nan()); } #[wasm_bindgen_test] fn asinh() { assert_eq!(Math::asinh(1.0), 1f64.asinh()); assert_eq!(Math::asinh(0.5), 0.5f64.asinh()); } #[wasm_bindgen_test] fn atan() { assert_eq!(Math::atan(1.0), 1f64.atan()); assert_eq!(Math::atan(0.5), 0.5f64.atan()); } #[wasm_bindgen_test] fn atan2() { assert_eq!(Math::atan2(1.0, 2.0), 1f64.atan2(2.)); assert_eq!(Math::atan2(0.7, 3.8), 0.7f64.atan2(3.8f64)); } #[wasm_bindgen_test] fn atanh() { assert_eq!(Math::atanh(1.), 1f64.atanh()); assert_eq!(Math::atanh(0.5), 0.5f64.atanh()); assert!(Math::atanh(2.).is_nan()); } #[wasm_bindgen_test] fn cbrt() { assert_eq!(Math::cbrt(27.), 3.); assert_eq!(Math::cbrt(12.3), 12.3f64.cbrt()); } #[wasm_bindgen_test] fn ceil() { assert_eq!(Math::ceil(1.1), 2.); assert_eq!(Math::ceil(-1.1), -1.); } #[wasm_bindgen_test] fn clz32() { assert!(Math::clz32(1) == 31); assert!(Math::clz32(1000) == 22); } #[wasm_bindgen_test] fn cos() { assert_eq!(Math::cos(0.0), 1.); assert_eq!(Math::cos(1.5), 1.5f64.cos()); } #[wasm_bindgen_test] fn cosh() { assert_eq!(Math::cosh(0.), 1.); assert_eq!(Math::cosh(2.), 3.7621956910836314); } #[wasm_bindgen_test] fn exp() { assert_eq!(Math::exp(0.), 1.); assert_eq!(Math::exp(-1.), 0.36787944117144233); assert_eq!(Math::exp(2.), 7.38905609893065); } #[wasm_bindgen_test] fn expm1() { assert_eq!(Math::expm1(0.), 0.); assert_eq!(Math::expm1(1.), 1.718281828459045); assert_eq!(Math::expm1(-1.), -0.6321205588285577); assert_eq!(Math::expm1(2.), 6.38905609893065); } #[wasm_bindgen_test] fn floor() { assert_eq!(Math::floor(5.95), 5.); assert_eq!(Math::floor(-5.05), -6.); } #[wasm_bindgen_test] fn fround() { assert!(Math::fround(5.5) == 5.5); assert!(Math::fround(5.05) == 5.050000190734863); assert!(Math::fround(5.) == 5.); assert!(Math::fround(-5.05) == -5.050000190734863); } #[wasm_bindgen_test] fn hypot() { assert!(Math::hypot(3., 4.) == 5.); assert!(Math::hypot(3.9, 5.2) == 6.5); assert!(Math::hypot(6., 8.) == 10.); assert!(Math::hypot(7., 24.) == 25.); } #[wasm_bindgen_test] fn imul() { assert!(Math::imul(3, 4) == 12); assert!(Math::imul(-5, 12) == -60); assert!(Math::imul(0xffffffffu32 as i32, 5) == 0xffffffffu32.wrapping_mul(5) as i32); } #[wasm_bindgen_test] fn log() { assert_eq!(Math::log(8.) / Math::log(2.), 3.); assert_eq!(Math::log(625.) / Math::log(5.), 4.); } #[wasm_bindgen_test] fn log10() { assert_eq!(Math::log10(100000.), 5.); assert_eq!(Math::log10(1.), 0.); assert_eq!(Math::log10(2.), 0.3010299956639812); } #[wasm_bindgen_test] fn log1p() { assert_eq!(Math::log1p(1.), 0.6931471805599453); assert_eq!(Math::log1p(0.), 0.); assert_eq!(Math::log1p(-1.), NEG_INFINITY); assert!(Math::log1p(-2.).is_nan()); } #[wasm_bindgen_test] fn log2() { assert_eq!(Math::log2(3.), 1.584962500721156); assert_eq!(Math::log2(2.), 1.); assert_eq!(Math::log2(1.), 0.); assert_eq!(Math::log2(0.), NEG_INFINITY); } #[wasm_bindgen_test] fn max() { assert_eq!(Math::max(3., 1.), 3.); assert_eq!(Math::max(-3., 1.), 1.); assert_eq!(Math::max(9913., 43.4), 9913.); assert_eq!(Math::max(-27., -43.), -27.); assert_eq!(Math::max(-423.27, -43.1), -43.1); } #[wasm_bindgen_test] fn min() { assert_eq!(Math::min(3., 1.), 1.); assert_eq!(Math::min(-3., 1.), -3.); assert_eq!(Math::min(9913., 43.4), 43.4); assert_eq!(Math::min(-27., -43.), -43.); assert_eq!(Math::min(-423.27, -43.1), -423.27); } #[wasm_bindgen_test] fn pow() { assert_eq!(Math::pow(7., 2.), 49.); assert_eq!(Math::pow(3.8, 0.5), 3.8f64.powf(0.5f64)); assert!(Math::pow(-2., 0.5).is_nan()); } #[wasm_bindgen_test] fn random() { assert!(Math::random() < 1.); assert!(Math::random() >= 0.); } #[wasm_bindgen_test] fn round() { assert_eq!(Math::round(20.49), 20.); assert_eq!(Math::round(20.5), 21.); assert_eq!(Math::round(42.), 42.); assert_eq!(Math::round(-20.5), -20.); assert_eq!(Math::round(-20.51), -21.); } #[wasm_bindgen_test] fn sign() { assert_eq!(Math::sign(3.), 1.); assert_eq!(Math::sign(-3.), -1.); assert_eq!(Math::sign(2.3), 1.); assert_eq!(Math::sign(0.), 0.); assert!(Math::sign(NAN).is_nan()); } #[wasm_bindgen_test] fn sin() { assert_eq!(Math::sin(0.), 0.); assert_eq!(Math::sin(1.), 1f64.sin()); assert_eq!(Math::sin(PI / 2.), 1.); } #[wasm_bindgen_test] fn sinh() { assert_eq!(Math::sinh(0.), 0.); assert_eq!(Math::sinh(1.), 1f64.sinh()); assert_eq!(Math::sinh(2.3), 2.3f64.sinh()); } #[wasm_bindgen_test] fn sqrt() { assert_eq!(Math::sqrt(9.), 3.); assert_eq!(Math::sqrt(2.), 2f64.sqrt()); assert_eq!(Math::sqrt(42.42), 42.42f64.sqrt()); assert_eq!(Math::sqrt(1.), 1.); assert!(Math::sqrt(-1.).is_nan()); } #[wasm_bindgen_test] fn tan() { assert_eq!(Math::tan(0.), 0.); assert_eq!(Math::tan(1.), 1f64.tan()); assert_eq!(Math::tan(0.5), 0.5f64.tan()); } #[wasm_bindgen_test] fn tanh() { assert_eq!(Math::tanh(0.), 0.); assert_eq!(Math::tanh(1.), 1f64.tanh()); assert_eq!(Math::tanh(0.5), 0.5f64.tanh()); } #[wasm_bindgen_test] fn trunc() { assert_eq!(Math::trunc(13.37), 13.); assert_eq!(Math::trunc(42.84), 42.); assert_eq!(Math::trunc(0.123), 0.); assert_eq!(Math::trunc(-0.123), 0.); }