Lines Matching refs:k1
109 // K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16
117 // K1 = 85267 => k1 = 20091
123 const __m128i k1 = _mm_set1_epi16(20091);
163 // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3
165 const __m128i c2 = _mm_mulhi_epi16(in3, k1);
169 // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3
170 const __m128i d1 = _mm_mulhi_epi16(in1, k1);
221 // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3
223 const __m128i c2 = _mm_mulhi_epi16(T3, k1);
227 // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3
228 const __m128i d1 = _mm_mulhi_epi16(T1, k1);
