simdpp::mul_lo(integer)
template<unsigned N, class E1, class E2>
Ret<N, _DETAIL_> mul_lo( Vec1<N,E1> a, Vec2<N,E2> b ); |
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Multiplies two vectors with integer values and returns the lower part of the result. The implementation behaves as if the following set of overloads is provided:
Ret
|
Vec1
|
Vec2
|
---|---|---|
int16 | int16 | int16 |
uint16 | uint16 | int16 |
uint16 | int16 | uint16 |
uint16 | uint16 | uint16 |
int32 | int32 | int32 |
uint32 | uint32 | int32 |
uint32 | int32 | uint32 |
uint32 | uint32 | uint32 |
The return type is a vector expression.
Scalar arguments[edit]
Several additional overloads are provided to implement implicit conversions from scalar types. Values of the following types are accepted as the first or the second argument: int32_t, int64_t, uint32_t, uint64_t. Each element of the expanded vector contains bitwise representation of the source value, with the highest bits discarded if the source data is too large.
The return type is a vector expression. The vector type is the same as the vector argument except that masks are unmasked to respective non-mask vector types.
Parameters[edit]
a, b | - | integer vectors |
Return value[edit]
A vector expression evaluating to a * b
.
Equivalent operation[edit]
r0 = a0 * b0 ... rN = aN * bN
See also[edit]
performs multiplication, returns higher half of the result (function template) |
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computes the product of all elements in the vector (function template) |
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performs multiplication, extends element width (function template) |