fully implemented SSE and NEON cases of intrin.hpp; extended the HAL with some basic math functions

This commit is contained in:
Vadim Pisarevsky
2015-04-16 23:00:26 +03:00
parent a2bba1b9e6
commit ee11a2d266
18 changed files with 2460 additions and 2003 deletions

View File

@@ -81,28 +81,17 @@ float normL1_(const float* a, const float* b, int n);
float normL2Sqr_(const float* a, const float* b, int n);
void exp(const float* src, float* dst, int n);
void exp(const double* src, double* dst, int n);
void log(const float* src, float* dst, int n);
void log(const double* src, double* dst, int n);
void fastAtan2(const float* y, const float* x, float* dst, int n, bool angleInDegrees);
void magnitude(const float* x, const float* y, float* dst, int n);
/** @brief Computes the cube root of an argument.
The function cubeRoot computes \f$\sqrt[3]{\texttt{val}}\f$. Negative arguments are handled correctly.
NaN and Inf are not handled. The accuracy approaches the maximum possible accuracy for
single-precision data.
@param val A function argument.
*/
float cubeRoot(float val);
/** @brief Calculates the angle of a 2D vector in degrees.
The function fastAtan2 calculates the full-range angle of an input 2D vector. The angle is measured
in degrees and varies from 0 to 360 degrees. The accuracy is about 0.3 degrees.
@param x x-coordinate of the vector.
@param y y-coordinate of the vector.
*/
float fastAtan2(float y, float x);
void magnitude(const double* x, const double* y, double* dst, int n);
void sqrt(const float* src, float* dst, int len);
void sqrt(const double* src, double* dst, int len);
void invSqrt(const float* src, float* dst, int len);
void invSqrt(const double* src, double* dst, int len);
}} //cv::hal

View File

@@ -380,7 +380,7 @@ cvRound( double value )
TEGRA_ROUND_DBL(value);
#elif defined CV_ICC || defined __GNUC__
# if CV_VFP
ARM_ROUND_DBL(value)
ARM_ROUND_DBL(value);
# else
return (int)lrint(value);
# endif
@@ -488,7 +488,7 @@ CV_INLINE int cvRound(float value)
TEGRA_ROUND_FLT(value);
#elif defined CV_ICC || defined __GNUC__
# if CV_VFP
ARM_ROUND_FLT(value)
ARM_ROUND_FLT(value);
# else
return (int)lrintf(value);
# endif

File diff suppressed because it is too large Load Diff