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phase 64f

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This commit is contained in:
Ilya Lavrenov 2015-01-12 10:59:28 +03:00
parent a2a8ba17fc
commit 6ab928fb39
1 changed files with 28 additions and 2 deletions
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30
modules/core/src/mathfuncs.cpp
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@ -593,14 +593,40 @@ void phase( InputArray src1, InputArray src2, OutputArray dst, bool angleInDegre
{
const double *x = (const double*)ptrs[0], *y = (const double*)ptrs[1];
double *angle = (double*)ptrs[2];
for( k = 0; k < len; k++ )
k = 0;
#if CV_SSE2
for ( ; k <= len - 4; k += 4)
{
__m128 v_dst0 = _mm_movelh_ps(_mm_cvtpd_ps(_mm_loadu_pd(x + k)),
_mm_cvtpd_ps(_mm_loadu_pd(x + k + 2)));
__m128 v_dst1 = _mm_movelh_ps(_mm_cvtpd_ps(_mm_loadu_pd(y + k)),
_mm_cvtpd_ps(_mm_loadu_pd(y + k + 2)));
_mm_storeu_ps(buf[0] + k, v_dst0);
_mm_storeu_ps(buf[1] + k, v_dst1);
}
#endif
for( ; k < len; k++ )
{
buf[0][k] = (float)x[k];
buf[1][k] = (float)y[k];
}
FastAtan2_32f( buf[1], buf[0], buf[0], len, angleInDegrees );
for( k = 0; k < len; k++ )
k = 0;
#if CV_SSE2
for ( ; k <= len - 4; k += 4)
{
__m128 v_src = _mm_loadu_ps(buf[0] + k);
_mm_storeu_pd(angle + k, _mm_cvtps_pd(v_src));
_mm_storeu_pd(angle + k, _mm_cvtps_pd(_mm_castsi128_ps(_mm_srli_si128(_mm_castps_si128(v_src), 8))));
}
#endif
for( ; k < len; k++ )
angle[k] = buf[0][k];
}
ptrs[0] += len*esz1;