OpenVDB 12.0.0
 
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PromoteType< T > Struct Template Reference

Promotion classes which provide an interface for elevating and demoting a scalar or VDB type to a higher or lower precision. Integer types preserve their sign. Types promotion are only valid between 8 to 64 bits (long doubles are not supported). More...

#include <openvdb/Types.h>

Public Types

template<size_t Shift = ~0UL>
using Promote = typename TypeT< std::max(size_t(8), std::min(size_t(64), (true ? size_t(8)*(sizeof(T)<<Shift) : size_t(8)*(sizeof(T)>>Shift)))) >::type
 
template<size_t Shift = ~0UL>
using Demote = typename TypeT< std::max(size_t(8), std::min(size_t(64), (false ? size_t(8)*(sizeof(T)<<Shift) : size_t(8)*(sizeof(T)>>Shift)))) >::type
 
using Highest = typename TypeT<64ul>::type
 
using Lowest = typename TypeT<8ul>::type
 
using Next = Promote<1>
 
using Previous = Demote<1>
 

Detailed Description

template<typename T>
struct openvdb::v12_0::PromoteType< T >

Promotion classes which provide an interface for elevating and demoting a scalar or VDB type to a higher or lower precision. Integer types preserve their sign. Types promotion are only valid between 8 to 64 bits (long doubles are not supported).

Member Typedef Documentation

◆ Demote

template<typename T>
template<size_t Shift = ~0UL>
using Demote = typename TypeT< std::max(size_t(8), std::min(size_t(64), (false ? size_t(8)*(sizeof(T)<<Shift) : size_t(8)*(sizeof(T)>>Shift)))) >::type

◆ Highest

template<typename T>
using Highest = typename TypeT<64ul>::type

◆ Lowest

template<typename T>
using Lowest = typename TypeT<8ul>::type

◆ Next

template<typename T>
using Next = Promote<1>

◆ Previous

template<typename T>
using Previous = Demote<1>

◆ Promote

template<typename T>
template<size_t Shift = ~0UL>
using Promote = typename TypeT< std::max(size_t(8), std::min(size_t(64), (true ? size_t(8)*(sizeof(T)<<Shift) : size_t(8)*(sizeof(T)>>Shift)))) >::type