remove unneeded functions

src/lib.rs

@@ -1537,10 +1537,10 @@ assert_eq!(Fix::saturating_from_float(f64::NEG_INFINITY), Fix::min_value());
                     if val.is_nan() {
                         panic!("NaN");
                     }
-                    let saturated = if val.is_sign_positive() {
-                        Self::max_value()
-                    } else {
+                    let saturated = if val.is_sign_negative() {
                         Self::min_value()
+                    } else {
+                        Self::max_value()
                     };
                     if !val.is_finite() {
                         return saturated;

src/sealed_float.rs

@@ -34,7 +34,6 @@ pub trait SealedFloat: Copy + Debug + Display {
     fn is_nan(self) -> bool;
     fn is_finite(self) -> bool;
     fn is_zero(self) -> bool;
-    fn is_sign_positive(self) -> bool;
     fn is_sign_negative(self) -> bool;
 
     fn parts(self) -> (bool, i32, Self::Bits);
@@ -80,11 +79,6 @@ macro_rules! sealed_float {
                 (self.to_bits() & !Self::SIGN_MASK) == 0
             }
 
-            #[inline]
-            fn is_sign_positive(self) -> bool {
-                (self.to_bits() & Self::SIGN_MASK) == 0
-            }
-
             #[inline]
             fn is_sign_negative(self) -> bool {
                 (self.to_bits() & Self::SIGN_MASK) != 0

src/sealed_int.rs

@@ -29,7 +29,6 @@ pub trait SealedInt: Copy + Ord + Debug + Display {
     fn one_shl(shift: u32) -> Self;
     fn all_ones_shl(shift: u32) -> Self;
     fn is_zero(self) -> bool;
-    fn is_positive(self) -> bool;
     fn is_negative(self) -> bool;
 
     fn to_fixed_overflow(
@@ -67,11 +66,6 @@ macro_rules! sealed_int {
                 self == 0
             }
 
-            #[inline]
-            fn is_positive(self) -> bool {
-                self > 0
-            }
-
             $($rest)*
         }
     };
@@ -221,11 +215,6 @@ impl SealedInt for bool {
         !self
     }
 
-    #[inline]
-    fn is_positive(self) -> bool {
-        self
-    }
-
     #[inline]
     fn is_negative(self) -> bool {
         false