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cv::polarToCart
author
Ilya Lavrenov
<ilya.lavrenov@itseez.com>
Sun, 12 Oct 2014 11:54:27 +0000
(
04:54
-0700)
committer
Ilya Lavrenov
<ilya.lavrenov@itseez.com>
Sat, 1 Nov 2014 10:19:51 +0000
(13:19 +0300)
modules/core/src/mathfuncs.cpp
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diff --git
a/modules/core/src/mathfuncs.cpp
b/modules/core/src/mathfuncs.cpp
index
50212e3
..
d21ff0e
100644
(file)
--- a/
modules/core/src/mathfuncs.cpp
+++ b/
modules/core/src/mathfuncs.cpp
@@
-892,11
+892,24
@@
void polarToCart( InputArray src1, InputArray src2,
SinCos_32f( angle, y, x, len, angleInDegrees );
if( mag )
- for( k = 0; k < len; k++ )
+ {
+ k = 0;
+
+ #if CV_NEON
+ for( ; k <= len - 4; k += 4 )
+ {
+ float32x4_t v_m = vld1q_f32(mag + k);
+ vst1q_f32(x + k, vmulq_f32(vld1q_f32(x + k), v_m));
+ vst1q_f32(y + k, vmulq_f32(vld1q_f32(y + k), v_m));
+ }
+ #endif
+
+ for( ; k < len; k++ )
{
float m = mag[k];
x[k] *= m; y[k] *= m;
}
+ }
}
else
{