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cmVectOpsTemplateHdr/Code.h : Add MeanM2() and Interp1().

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This commit is contained in:
Kevin Larke 2014-08-10 13:03:32 -07:00
parent 133bdea685
commit be7b8819c7
2 changed files with 54 additions and 2 deletions
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42
vop/cmVectOpsTemplateCode.h
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@ -235,6 +235,21 @@ VECT_OP_TYPE* VECT_OP_FUNC(MeanM)( VECT_OP_TYPE* dp, const VECT_OP_TYPE* sp,
return dp;
}
VECT_OP_TYPE* VECT_OP_FUNC(MeanM2)( VECT_OP_TYPE* dp, const VECT_OP_TYPE* sp, unsigned srn, unsigned scn, unsigned dim, unsigned cnt )
{
unsigned i;
unsigned cn = dim == 0 ? scn : srn;
unsigned rn = dim == 0 ? srn : scn;
unsigned inc = dim == 0 ? srn : 1;
unsigned stride = dim == 0 ? 1 : srn;
unsigned d0 = 0;
for(i=0; i<cn; ++i, d0+=inc)
dp[i] = VECT_OP_FUNC(MeanN)(sp + d0, cmMin(rn,cnt), stride );
return dp;
}
VECT_OP_TYPE* VECT_OP_FUNC(Mean2)( VECT_OP_TYPE* dp, const VECT_OP_TYPE* (*srcFuncPtr)(void* arg, unsigned idx ), unsigned D, unsigned N, void* argPtr )
{
unsigned i,n;
@ -3242,5 +3257,32 @@ void VECT_OP_FUNC(Lsq1)(const VECT_OP_TYPE* x, const VECT_OP_TYPE* y, unsigned n
void VECT_OP_FUNC(Interp1)(VECT_OP_TYPE* y1, const VECT_OP_TYPE* x1, unsigned xy1N, const VECT_OP_TYPE* x0, const VECT_OP_TYPE* y0, unsigned xy0N )
{
unsigned i,j;
// for each output value
for(i=0,j=0; i<xy1N; ++i)
{
// x1[] and x0[] are increasing monotonic therefore j should never
// have to decrease
for(; j<xy0N-1; ++j)
{
// if x1[i] is between x0[j] and x0[j+1]
if( x0[j] <= x1[i] && x1[i] < x0[j+1] )
{
// interpolate y0[j] based on the distance beteen x0[j] and x1[i].
y1[i] = y0[j] + (y0[j+1]-y0[j]) * ((x1[i] - x0[j]) / (x0[j+1] - x0[j]));
break;
}
}
if( j == xy0N-1 )
y1[i] = y0[xy0N-1];
}
}
#endif

12
vop/cmVectOpsTemplateHdr.h
View File

@ -38,6 +38,12 @@ VECT_OP_TYPE VECT_OP_FUNC(MeanN)( const VECT_OP_TYPE* sp, unsigned sn, unsig
// Set 'dim' to 0 to return mean of columns else return mean of rows.
VECT_OP_TYPE* VECT_OP_FUNC(MeanM)( VECT_OP_TYPE* dp, const VECT_OP_TYPE* sp, unsigned srn, unsigned scn, unsigned dim );
// Take the mean of the first 'cnt' element of each column/row of a matrix.
// Set 'dim' to 0 to return mean of columns else return mean of rows.
// If 'cnt' is greater than the number of elements in the column/row then 'cnt' is
// reduced to the number of elements in the column/row.
VECT_OP_TYPE* VECT_OP_FUNC(MeanM2)( VECT_OP_TYPE* dp, const VECT_OP_TYPE* sp, unsigned srn, unsigned scn, unsigned dim, unsigned cnt );
// Find the mean of the data points returned by srcFuncPtr(argPtr,i) and return it in dp[dim].
// 'dim' is both the size of dp[] and the length of each data point returned by srcFuncPtr().
// srcFuncPtr() will be called 'cnt' times but it may return NULL on some calls if the associated
@ -467,7 +473,7 @@ unsigned VECT_OP_FUNC(BarkMap)(unsigned* binIdxV, unsigned* cntV, unsigned bandC
/// maskMtx[ bandCnt, binCnt ] - result matrix
/// binHz - freq resolution of the output filters.
/// stSpread - Semi-tone spread above and below each center frequency (stSpread*2) is the total bandwidth.
/// (Only used if
/// (Only used if lowHzV or uprHzV are NULL)
/// lowHz[ bandCnt ] - set of upper frequency limits for each band.
/// ctrHz[ bandCnt ] set to the center value in Hz for each band
/// uprHz[ bandCnt ] - set of lower frequency limits for each band.
@ -607,4 +613,8 @@ VECT_OP_TYPE VECT_OP_FUNC(PtToLineDistance)( VECT_OP_TYPE x0, VECT_OP_TYPE y0, V
void VECT_OP_FUNC(Lsq1)(const VECT_OP_TYPE* x, const VECT_OP_TYPE* y, unsigned n, VECT_OP_TYPE* b0, VECT_OP_TYPE* b1 );
/// Given the points x0[xy0N],y0[xy0N] fill y1[i] with the interpolated value of y0[] at
/// x1[i]. Note that x0[] and x1[] must be increasing monotonic.
/// This function is similar to the octave interp1() function.
void VECT_OP_FUNC(Interp1)(VECT_OP_TYPE* y1, const VECT_OP_TYPE* x1, unsigned xy1N, const VECT_OP_TYPE* x0, const VECT_OP_TYPE* y0, unsigned xy0N );