simdpp::to_int32
From libsimdpp-docs
< conv
| template<unsigned N, class E>
int32<N, _DETAIL_> to_int32( Vec<N,E> a ); |
||
Converts elements within a vector to 32-bit signed values.
The implementation behaves as if the following set of overloads is provided:
Vec
|
|---|
| int8 |
| uint8 |
| int16 |
| uint16 |
| int32 |
| uint32 |
| int64 |
| uint64 |
| float32 |
| float64 |
The return type is a vector expression.
The conversion rules are as follows:
- 16-bit and narrower signed integers are sign-extended to 32 bits.
- 16-bit and narrower unsigned integers are zero-extended to 32 bits.
- 64-bit integers are truncated.
- floating-point numbers are converted to integer values and truncated.
- if floating-point value can not be represented in 32-bit signed 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 32-bit signed integers.
Equivalent operation[edit]
r0 = int32_t(a0) ... rN = int32_t(aN)
See also[edit]
| converts vector elements to 32-bit unsigned integers (function template) |