fmaxf/fminf replacement functions too innaccurate

src/main.c

@@ -155,18 +155,6 @@ typedef struct {
 #define signbit(x) (_copysign(1.0, x) < 0)
 #endif
 
-static float fmaxf_internal(float x, float y)
-{
-   if (isnan(x))
-      return y;
-   if (isnan(y))
-      return x;
-   /* handle signed zeroes, see C99 Annex F.9.9.2 */
-   if (signbit(x) != signbit(y))
-      return signbit(x) ? y : x;
-   return x < y ? y : x;
-}
-
 static double round_internal(double x)
 {
    double t;
@@ -191,18 +179,6 @@ static double round_internal(double x)
    }
 }
 
-static float fminf_internal(float x, float y)
-{
-   if (isnan(x))
-      return y;
-   if (isnan(y))
-      return x;
-   /* handle signed zeros, see C99 Annex F.9.9.2 */
-   if (signbit(x) != signbit(y))
-      return signbit(x) ? x : y;
-   return x < y ? x : y;
-}
-
 #ifdef TEST_FPS
 static double frames = 200.0f;
 
@@ -2999,8 +2975,8 @@ static void handle_mouse_input(void)
         if (s->rx >= RADIANS(360))
             s->rx -= RADIANS(360);
 
-        s->ry = fmaxf_internal(s->ry, -RADIANS(90));
-        s->ry = fminf_internal(s->ry, RADIANS(90));
+        s->ry = fmaxf(s->ry, -RADIANS(90));
+        s->ry = fminf(s->ry, RADIANS(90));
     }
 
     mr = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT);
@@ -3103,8 +3079,8 @@ void handle_movement(double dt)
          s->rx -= RADIANS(360);
 
       // Keep y-rotation between [-90, 90] degrees
-      s->ry = fminf_internal(s->ry, RADIANS(90));
-      s->ry = fmaxf_internal(s->ry, -RADIANS(90));
+      s->ry = fminf(s->ry, RADIANS(90));
+      s->ry = fmaxf(s->ry, -RADIANS(90));
    }
 
    {