added from floating point to ieee trait (#1662)

* added from floating point to ieee trait

* fixed with little endian conversion

Author: thesuhas

crates/wasmparser/src/readers/core/operators.rs

@@ -88,6 +88,14 @@ impl Ieee32 {
     }
 }
 
+impl From<f32> for Ieee32 {
+    fn from(value: f32) -> Self {
+        Ieee32 {
+            0: u32::from_le_bytes(value.to_le_bytes()),
+        }
+    }
+}
+
 impl From<Ieee32> for f32 {
     fn from(bits: Ieee32) -> f32 {
         f32::from_bits(bits.bits())
@@ -108,6 +116,14 @@ impl Ieee64 {
     }
 }
 
+impl From<f64> for Ieee64 {
+    fn from(value: f64) -> Self {
+        Ieee64 {
+            0: u64::from_le_bytes(value.to_le_bytes()),
+        }
+    }
+}
+
 impl From<Ieee64> for f64 {
     fn from(bits: Ieee64) -> f64 {
         f64::from_bits(bits.bits())