FastLED 3.9.15
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◆ ref_mulhi_u32_4()

void autoresearch::simd_check::ref_mulhi_u32_4 ( const uint32_t * a,
const uint32_t * b,
uint32_t * out )
inline

Definition at line 944 of file AutoResearchSimd.h.

944 {
945 for (int i = 0; i < 4; i++) {
946 uint64_t prod = (uint64_t)a[i] * (uint64_t)b[i];
947 out[i] = (uint32_t)(prod >> 16);
948 }
949}

Referenced by test_crossval_mulhi_u32_4().

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