| 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.); |
| } |
