Readability (no functional changes).

This commit is contained in:
Jeff Young 2023-05-21 16:22:14 +01:00
parent 52bf337b55
commit 29674051b4
1 changed files with 12 additions and 16 deletions

View File

@ -352,28 +352,24 @@ VECTOR2<T> VECTOR2<T>::Resize( T aNewLength ) const
if( x == 0 && y == 0 )
return VECTOR2<T> ( 0, 0 );
extended_type l_sq_current = (extended_type) x * x + (extended_type) y * y;
extended_type l_sq_new = (extended_type) aNewLength * aNewLength;
extended_type x_sq = (extended_type) x * x;
extended_type y_sq = (extended_type) y * y;
extended_type l_sq = x_sq + y_sq;
extended_type newLength_sq = (extended_type) aNewLength * aNewLength;
extended_type newX = std::sqrt( rescale( newLength_sq, x_sq, l_sq ) );
extended_type newY = std::sqrt( rescale( newLength_sq, y_sq, l_sq ) );
if( std::is_integral<T>::value )
{
return VECTOR2<T>( static_cast<T>(
( x < 0 ? -1 : 1 ) *
KiROUND( std::sqrt( rescale( l_sq_new, (extended_type) x * x, l_sq_current ) ) ) ),
static_cast<T>(
( y < 0 ? -1 : 1 ) *
KiROUND( std::sqrt( rescale( l_sq_new, (extended_type) y * y, l_sq_current ) ) )
) ) * sign( aNewLength );
return VECTOR2<T>( static_cast<T>( x < 0 ? -KiROUND( newX ) : KiROUND( newX ) ),
static_cast<T>( y < 0 ? -KiROUND( newY ) : KiROUND( newY ) ) )
* sign( aNewLength );
}
else
{
return VECTOR2<T> ( static_cast<T>(
( x < 0 ? -1 : 1 ) *
std::sqrt( rescale( l_sq_new, (extended_type) x * x, l_sq_current ) ) ),
static_cast<T>(
( y < 0 ? -1 : 1 ) *
std::sqrt( rescale( l_sq_new, (extended_type) y * y, l_sq_current ) )
)) * sign( aNewLength );
return VECTOR2<T>( static_cast<T>( x < 0 ? -newX : newX ),
static_cast<T>( y < 0 ? -newY : newY ) )
* sign( aNewLength );
}
}