# Function core::arch::x86::_mm256_dp_ps

1.27.0 · source · [−]

    pub unsafe fn _mm256_dp_ps(a: __m256, b: __m256, const IMM8: i32) -> __m256

Available on (x86 or x86-64) and target feature `avx` and x86 only.
Expand description

Conditionally multiplies the packed single-precision (32-bit) floating-point elements in `a` and `b` using the high 4 bits in `imm8`, sum the four products, and conditionally return the sum using the low 4 bits of `imm8`.

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