| //@ run-pass |
| #![feature(core_intrinsics)] |
| |
| use std::intrinsics::*; |
| |
| macro_rules! assert_approx_eq { |
| ($a:expr, $b:expr) => {{ |
| let (a, b) = (&$a, &$b); |
| assert!((*a - *b).abs() < 1.0e-6, "{} is not approximately equal to {}", *a, *b); |
| }}; |
| } |
| |
| fn main() { |
| { |
| let nan: f32 = f32::NAN; |
| let inf: f32 = f32::INFINITY; |
| let neg_inf: f32 = f32::NEG_INFINITY; |
| assert_approx_eq!(fmuladdf32(1.23, 4.5, 0.67), 6.205); |
| assert_approx_eq!(fmuladdf32(-1.23, -4.5, -0.67), 4.865); |
| assert_approx_eq!(fmuladdf32(0.0, 8.9, 1.2), 1.2); |
| assert_approx_eq!(fmuladdf32(3.4, -0.0, 5.6), 5.6); |
| assert!(fmuladdf32(nan, 7.8, 9.0).is_nan()); |
| assert_eq!(fmuladdf32(inf, 7.8, 9.0), inf); |
| assert_eq!(fmuladdf32(neg_inf, 7.8, 9.0), neg_inf); |
| assert_eq!(fmuladdf32(8.9, inf, 3.2), inf); |
| assert_eq!(fmuladdf32(-3.2, 2.4, neg_inf), neg_inf); |
| } |
| { |
| let nan: f64 = f64::NAN; |
| let inf: f64 = f64::INFINITY; |
| let neg_inf: f64 = f64::NEG_INFINITY; |
| assert_approx_eq!(fmuladdf64(1.23, 4.5, 0.67), 6.205); |
| assert_approx_eq!(fmuladdf64(-1.23, -4.5, -0.67), 4.865); |
| assert_approx_eq!(fmuladdf64(0.0, 8.9, 1.2), 1.2); |
| assert_approx_eq!(fmuladdf64(3.4, -0.0, 5.6), 5.6); |
| assert!(fmuladdf64(nan, 7.8, 9.0).is_nan()); |
| assert_eq!(fmuladdf64(inf, 7.8, 9.0), inf); |
| assert_eq!(fmuladdf64(neg_inf, 7.8, 9.0), neg_inf); |
| assert_eq!(fmuladdf64(8.9, inf, 3.2), inf); |
| assert_eq!(fmuladdf64(-3.2, 2.4, neg_inf), neg_inf); |
| } |
| } |
