Consolidate is_infinite tests

Author: rocurley

library/coretests/tests/floats/f128.rs

@@ -40,19 +40,6 @@ const NAN_MASK2: u128 = 0x00005555555555555555555555555555;
 // FIXME(f16_f128,miri): many of these have to be disabled since miri does not yet support
 // the intrinsics.
 
-#[test]
-fn test_is_infinite() {
-    let nan: f128 = f128::NAN;
-    let inf: f128 = f128::INFINITY;
-    let neg_inf: f128 = f128::NEG_INFINITY;
-    assert!(!nan.is_infinite());
-    assert!(inf.is_infinite());
-    assert!(neg_inf.is_infinite());
-    assert!(!0.0f128.is_infinite());
-    assert!(!42.8f128.is_infinite());
-    assert!(!(-109.2f128).is_infinite());
-}
-
 #[test]
 fn test_is_finite() {
     let nan: f128 = f128::NAN;

library/coretests/tests/floats/f16.rs

@@ -46,19 +46,6 @@ const NAN_MASK2: u16 = 0x0155;
 // FIXME(f16_f128,miri): many of these have to be disabled since miri does not yet support
 // the intrinsics.
 
-#[test]
-fn test_is_infinite() {
-    let nan: f16 = f16::NAN;
-    let inf: f16 = f16::INFINITY;
-    let neg_inf: f16 = f16::NEG_INFINITY;
-    assert!(!nan.is_infinite());
-    assert!(inf.is_infinite());
-    assert!(neg_inf.is_infinite());
-    assert!(!0.0f16.is_infinite());
-    assert!(!42.8f16.is_infinite());
-    assert!(!(-109.2f16).is_infinite());
-}
-
 #[test]
 fn test_is_finite() {
     let nan: f16 = f16::NAN;

library/coretests/tests/floats/f32.rs

@@ -30,19 +30,6 @@ const NAN_MASK2: u32 = 0x0055_5555;
 /// They serve as a way to get an idea of the real precision of floating point operations on different platforms.
 const APPROX_DELTA: f32 = if cfg!(miri) { 1e-4 } else { 1e-6 };
 
-#[test]
-fn test_is_infinite() {
-    let nan: f32 = f32::NAN;
-    let inf: f32 = f32::INFINITY;
-    let neg_inf: f32 = f32::NEG_INFINITY;
-    assert!(!nan.is_infinite());
-    assert!(inf.is_infinite());
-    assert!(neg_inf.is_infinite());
-    assert!(!0.0f32.is_infinite());
-    assert!(!42.8f32.is_infinite());
-    assert!(!(-109.2f32).is_infinite());
-}
-
 #[test]
 fn test_is_finite() {
     let nan: f32 = f32::NAN;

library/coretests/tests/floats/f64.rs

@@ -25,19 +25,6 @@ const NAN_MASK1: u64 = 0x000a_aaaa_aaaa_aaaa;
 /// Second pattern over the mantissa
 const NAN_MASK2: u64 = 0x0005_5555_5555_5555;
 
-#[test]
-fn test_is_infinite() {
-    let nan: f64 = f64::NAN;
-    let inf: f64 = f64::INFINITY;
-    let neg_inf: f64 = f64::NEG_INFINITY;
-    assert!(!nan.is_infinite());
-    assert!(inf.is_infinite());
-    assert!(neg_inf.is_infinite());
-    assert!(!0.0f64.is_infinite());
-    assert!(!42.8f64.is_infinite());
-    assert!(!(-109.2f64).is_infinite());
-}
-
 #[test]
 fn test_is_finite() {
     let nan: f64 = f64::NAN;

library/coretests/tests/floats/mod.rs

@@ -402,6 +402,28 @@ float_test! {
     }
 }
 
+float_test! {
+    name: is_infinite,
+    attrs: {
+        f16: #[cfg(any(miri, target_has_reliable_f16))],
+        f128: #[cfg(any(miri, target_has_reliable_f128))],
+    },
+    test<Float> {
+        let nan: Float = Float::NAN;
+        let inf: Float = Float::INFINITY;
+        let neg_inf: Float = Float::NEG_INFINITY;
+        let zero: Float = 0.0;
+        let pos: Float = 42.8;
+        let neg: Float = -109.2;
+        assert!(!nan.is_infinite());
+        assert!(inf.is_infinite());
+        assert!(neg_inf.is_infinite());
+        assert!(!zero.is_infinite());
+        assert!(!pos.is_infinite());
+        assert!(!neg.is_infinite());
+    }
+}
+
 float_test! {
     name: min,
     attrs: {