simdpp::to_uint64
From libsimdpp-docs
< conv
| template<unsigned N, class E>
uint64<N, _DETAIL_> to_uint64( Vec<N,E> a ); |
||
Converts elements within a vector to 64-bit unsigned values.
The implementation behaves as if the following set of overloads is provided:
Vec
|
|---|
| int8 |
| uint8 |
| int16 |
| uint16 |
| int32 |
| uint32 |
| int64 |
| uint64 |
| float32
(available only if SIMDPP_HAS_FLOAT32_TO_UINT64_CONVERSION evaluates to nonzero value) |
| float64
(available only if SIMDPP_HAS_FLOAT64_TO_UINT64_CONVERSION evaluates to nonzero value) |
The return type is a vector expression.
The conversion rules are as follows:
- 32-bit and narrower signed integers are sign-extended to 64 bits.
- 32-bit and narrower unsigned integers are zero-extended to 64 bits.
- if floating-point value can not be represented in 64-bit unsigned integer, the behavior depends on the instruction set used.
Parameters[edit]
| a | - | vector to convert |
Return value[edit]
A vector expression evaluating to vector with values converted to 64-bit unsigned integers.
Equivalent operation[edit]
r0 = uint64_t(a0) ... rN = uint64_t(aN)
See also[edit]
| converts vector elements to 64-bit signed integers (function template) |