cleanup

Author: tgross35

src/math/generic/scalbn.rs

@@ -24,33 +24,19 @@ where
 {
     let zero = IntTy::<F>::ZERO;
 
-    // if n == 0 || x == F::ZERO || x.is_nan() || x.is_infinite() {
-    //     return x;
-    // }
-
     // Bits including the implicit bit
     let sig_total_bits = F::SIG_BITS + 1;
 
     // Maximum and minimum values when biased
     let exp_max: i32 = F::EXP_BIAS as i32;
     let exp_min = -(exp_max - 1);
-    // let exp_min_with_subnorm = -((F::EXP_BIAS + F::SIG_BITS + 1) as i32);
-
-    // // let x_exp = x.exp();
-    // // let x_sig = x.frac();
-
-    // if n > exp_max {
-    //     return F::INFINITY * x.signum();
-    // }
-
-    // if n < exp_min_with_subnorm {
-    //     return F::ZERO * x.signum();
-    // }
 
     // 2 ^ Emax, where Emax is the maximum biased exponent value (1023 for f64)
-    let f_exp_max = F::from_bits(F::Int::cast_from(F::EXP_BIAS << 1) << F::SIG_BITS);
+    let f_exp_max = F::from_parts(false, F::EXP_BIAS << 1, zero);
+
     // 2 ^ Emin, where Emin is the minimum biased exponent value (-1022 for f64)
-    let f_exp_min = F::from_bits(IntTy::<F>::ONE << F::SIG_BITS);
+    let f_exp_min = F::from_parts(false, 1, zero);
+
     // 2 ^ sig_total_bits, representation of what can be accounted for with subnormals
     let f_exp_subnorm = F::from_parts(false, sig_total_bits + F::EXP_BIAS, zero);
 
@@ -79,7 +65,7 @@ where
         }
     }
 
-    x * F::from_bits(F::Int::cast_from(F::EXP_BIAS as i32 + n) << F::SIG_BITS)
+    x * F::from_parts(false, (F::EXP_BIAS as i32 + n) as u32, zero)
 }
 
 #[cfg(test)]