Commit 118a6f7f authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

Math.h: disable scalar functions for array/class types to avoid possible... 

Math.h: disable scalar functions for array/class types to avoid possible ambiguity with vector expressions
parent 6107ec75

src/TNL/Math.h

+7 −3
Original line number Diff line number Diff line
@@ -79,7 +79,7 @@ ResultType max( const T1& a, const T2& b ) 
 * \brief This function returns absolute value of given number \e n.

 */

template< class T,

          std::enable_if_t< ! std::is_unsigned<T>::value, bool > = true >

          std::enable_if_t< ! std::is_unsigned<T>::value && ! std::is_class<T>::value, bool > = true >

__cuda_callable__ inline

T abs( const T& n )

{
@@ -147,7 +147,9 @@ ResultType argAbsMax( const T1& a, const T2& b ) 
/**

 * \brief This function returns the result of \e base to the power of \e exp.

 */

template< typename T1, typename T2, typename ResultType = typename std::common_type< T1, T2 >::type >

template< typename T1, typename T2, typename ResultType = typename std::common_type< T1, T2 >::type,

          // enable_if is necessary to avoid ambiguity in vector expressions

          std::enable_if_t< ! std::is_class<T1>::value && ! std::is_class<T2>::value, bool > = true >

__cuda_callable__ inline

ResultType pow( const T1& base, const T2& exp )

{
@@ -458,7 +460,9 @@ void swap( Type& a, Type& b ) 
 * It extracts the sign of the number \e a. In other words, the signum function projects

 * negative numbers to value -1, positive numbers to value 1 and zero to value 0.

 */

template< class T >

template< class T,

          // enable_if is necessary to avoid ambiguity in vector expressions

          std::enable_if_t< ! HasSubscriptOperator<T>::value, bool > = true >

__cuda_callable__

T sign( const T& a )

{