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Changed sum counting to gcc compatible syntax
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@ -140,18 +140,18 @@ double TDStretchSSE::calcCrossCorrStereo(const float *pV1, const float *pV2) con
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// return value = vSum[0] + vSum[1] + vSum[2] + vSum[3]
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float *pvNorm = (float*)&vNorm;
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double norm = sqrt(vNorm.m128_f32[0] + vNorm.m128_f32[1] + vNorm.m128_f32[2] + vNorm.m128_f32[3]);
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double norm = sqrt(pvNorm[0] + pvNorm[1] + pvNorm[2] + pvNorm[3]);
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if (norm < 1e-9) norm = 1.0; // to avoid div by zero
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float *pvSum = (float*)&vSum;
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return (double)(vSum.m128_f32[0] + vSum.m128_f32[1] + vSum.m128_f32[2] + vSum.m128_f32[3]) / norm;
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return (double)(pvSum[0] + pvSum[1] + pvSum[2] + pvSum[3]) / norm;
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/* This is approximately corresponding routine in C-language:
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double corr;
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/* This is approximately corresponding routine in C-language yet without normalization:
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double corr, norm;
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uint i;
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// Calculates the cross-correlation value between 'pV1' and 'pV2' vectors
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corr = 0.0;
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corr = norm = 0.0;
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for (i = 0; i < overlapLength / 8; i ++)
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{
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corr += pV1[0] * pV2[0] +
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@ -171,13 +171,16 @@ double TDStretchSSE::calcCrossCorrStereo(const float *pV1, const float *pV2) con
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pV1[14] * pV2[14] +
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pV1[15] * pV2[15];
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for (j = 0; j < 15; j ++) norm += pV1[j] * pV1[j];
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pV1 += 16;
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pV2 += 16;
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}
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return corr / sqrt(norm);
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*/
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/* This is corresponding routine in assembler. This may be teeny-weeny bit faster
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than intrinsic version, but more difficult to maintain & get compiled on multiple
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/* This is a bit outdated, corresponding routine in assembler. This may be teeny-weeny bit
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faster than intrinsic version, but more difficult to maintain & get compiled on multiple
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platforms.
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uint overlapLengthLocal = overlapLength;
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