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| Syntax C/C++ | #include <VFmath.h>
int VF_tan( fVector Y, fVector X, ui size );
int VFx_tan( fVector Y, fVector X, ui size, float A, float B, float C ); |
| C++ VecObj | #include <OptiVec.h>
int vector<T>::tan( const vector<T>& X );
int vector<T>::x_tan( const vector<T>& X, const T& A, const T& B, const T& C ); |
| Pascal/Delphi | uses VFmath;
function VF_tan( Y, X:fVector; size:UIntSize ): IntBool;
function VFx_tan( Y, X:fVector; size:UIntSize; A, B, C:Single ): IntBool; |
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| CUDA function C/C++ | #include <cudaVFmath.h>
int cudaVF_tan( fVector d_Y, fVector d_X, ui size );
int cudaVFx_tan( fVector d_Y, fVector d_X, ui size, float A, float B, float C );
int cusdVFx_tan( fVector d_Y, fVector d_X, ui size, float *d_A, float *d_B, float *d_C );
int VFcu_tan( fVector h_Y, fVector h_X, ui size );
int VFxcu_tan( fVector h_Y, fVector h_X, ui size, float A, float B, float C );
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| CUDA function Pascal/Delphi | uses VFmath;
function cudaVF_tan( d_Y, d_X:fVector; size:UIntSize ): IntBool;
function cudaVFx_tan( d_Y, d_X:fVector; size:UIntSize; A, B, C:Single ): IntBool;
function cusdVFx_tan( d_Y, d_X:fVector; size:UIntSize; d_A, d_B, d_C:PSingle ): IntBool;
function VFcu_tan( h_Y, h_X:fVector; size:UIntSize ): IntBool;
function VFxcu_tan( h_Y, h_X:fVector; size:UIntSize; A, B, C:Single ): IntBool;
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| Description | simple versions: Yi = tan ( Xi )
expanded versions: Yi = C * tan( A*Xi+B )
For large values of Xi, round-off error becomes appreciable; if the Xi values are representable as rational multiples of p, it is better to use VF_tanrpi than VF_tan. |
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| Error handling | SING and OVERFLOW errors (for arguments very close to p/2) lead to a default result of ±HUGE_VAL. Precision errors lead to a default result of 0.0. |
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| Return value | FALSE (0), if no error occurred, otherwise TRUE (non-zero). |
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