cml/libcw
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cwVectOpts.h : Added comments

Browse Source
This commit is contained in:
kevin 2020-10-18 09:02:03 -04:00
parent 1aba926fda
commit 9536e9b6bb
1 changed files with 64 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
cwVectOps.h
View File

@ -6,6 +6,10 @@ namespace cw
{
namespace vop
{
//==================================================================================================================
// Input / Output
//
template< typename T0 >
void print( const T0* v0, unsigned n, const char* fmt, const char* label=nullptr )
{
@ -18,16 +22,10 @@ namespace cw
}
template< typename T0, typename T1 >
bool is_equal( const T0* v0, const T1* v1, unsigned n )
{
for(unsigned i=0; i<n; ++i)
if( v0[i] != v1[i] )
return false;
return true;
}
//==================================================================================================================
// Move,fill,copy
//
template< typename T0, typename T1 >
void copy( T0* v0, const T1* v1, unsigned n )
{
@ -47,6 +45,22 @@ namespace cw
{ fill(v,n,0); }
//==================================================================================================================
// Compare
//
template< typename T0, typename T1 >
bool is_equal( const T0* v0, const T1* v1, unsigned n )
{
for(unsigned i=0; i<n; ++i)
if( v0[i] != v1[i] )
return false;
return true;
}
//==================================================================================================================
// Min,max
//
template< typename T >
unsigned arg_max( const T* v, unsigned n )
{
@ -105,25 +119,9 @@ namespace cw
return acc;
}
template< typename T >
T cumsum( const T* v, unsigned n )
{
T y = 0;
for(unsigned i=0; i<n; ++i)
y += v[i];
return y;
}
template< typename T >
T cumprod( const T* v, unsigned n )
{
T y = 1;
for(unsigned i=0; i<n; ++i)
y *= v[i];
return y;
}
//==================================================================================================================
// Arithmetic
//
template< typename T0, typename T1 >
void mul( T0* v0, const T1* v1, unsigned n )
{
@ -237,6 +235,9 @@ namespace cw
y0[i] = v0[i] / scalar;
}
//==================================================================================================================
// Sequence generators
//
// Fill y[0:min(n,cnt)] with values {beg,beg+step,beg+2*step .... beg+(cnt-1)*step}}
template< typename T >
void seq( T* y, unsigned n, const T& beg, const T& cnt, const T& step=1 )
@ -249,6 +250,16 @@ namespace cw
y[i] = v;
}
// Same as Matlab linspace() v[i] = i * (limit-1)/n
template< typename T >
T* linspace( T* y, unsigned yN, T base, T limit )
{
unsigned i = 0;
for(; i<yN; ++i)
y[i] = base + i*(limit-base)/(yN-1);
return y;
}
template< typename T >
T seq( T* dbp, unsigned dn, const T& beg, const T& incr )
{
@ -258,7 +269,32 @@ namespace cw
*dbp++ = beg + (incr*i);
return beg + (incr*i);
}
template< typename T >
T cumsum( const T* v, unsigned n )
{
T y = 0;
for(unsigned i=0; i<n; ++i)
y += v[i];
return y;
}
template< typename T >
T cumprod( const T* v, unsigned n )
{
T y = 1;
for(unsigned i=0; i<n; ++i)
y *= v[i];
return y;
}
//==================================================================================================================
// Signal Processing
//
template< typename T >
unsigned phasor( T* y, unsigned n, T srate, T hz, unsigned init_idx=0 )