| Syntax C/C++ | #include <VIstd.h>
double VI_fsum( iVector X, ui size );
(similarly VBI_, VSI_, VLI_, VU_, VUB_, VUS_, VUL_, VUI_)
extended VQI_fsum( qiVector X, ui size ); |
| C++ VecObj | #include <OptiVec.h>
double vector<int>::fsum();
extended vector<quad>::fsum(); |
| Pascal/Delphi | uses VIstd;
function VI_fsum( X:iVector; size:UInt ); Double;
(similarly VBI_, VSI_, VLI_, VU_, VUB_, VUS_, VUL_)
function VQI_fsum( X:qiVector; size:UInt ); Extended; |
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| Description | The elements of X are summed up. In order to avoid possible overflow, the sum is accumulated in a floating-point number. The 8, 16, and 32 bit variants return the result in double precision, whereas the 64 bit variant, VQI_fsum, returns an extended. |
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