Developer Reference for Intel® oneAPI Math Kernel Library for C
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v?Asin
Computes inverse sine of vector elements.
Syntax
vsAsin( n, a, y );
vsAsinI(n, a, inca, y, incy);
vmsAsin( n, a, y, mode );
vmsAsinI(n, a, inca, y, incy, mode);
vdAsin( n, a, y );
vdAsinI(n, a, inca, y, incy);
vmdAsin( n, a, y, mode );
vmdAsinI(n, a, inca, y, incy, mode);
vcAsin( n, a, y );
vcAsinI(n, a, inca, y, incy);
vmcAsin( n, a, y, mode );
vmcAsinI(n, a, inca, y, incy, mode);
vzAsin( n, a, y );
vzAsinI(n, a, inca, y, incy);
vmzAsin( n, a, y, mode );
vmzAsinI(n, a, inca, y, incy, mode);
Include Files
- mkl.h
 
Input Parameters
Name  |  
      Type  |  
      Description  |  
     
|---|---|---|
n  |  
      const MKL_INT  |  
      Specifies the number of elements to be calculated.  |  
     
a  |  
      const float* for vsAsin, vmsAsin const double* for vdAsin, vmdAsin const MKL_Complex8* for vcAsin, vmcAsin const MKL_Complex16* for vzAsin, vmzAsin  |  
      Pointer to an array that contains the input vector a.  |  
     
inca, incy  |  
      const MKL_INT  |  
      Specifies increments for the elements of a and y.  |  
     
mode  |  
      const MKL_INT64  |  
      Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description.  |  
     
Output Parameters
Name  |  
      Type  |  
      Description  |  
     
|---|---|---|
y  |  
      float* for vsAsin, vmsAsin double* for vdAsin, vmdAsin MKL_Complex8* for vcAsin, vmcAsin MKL_Complex16* for vzAsin, vmzAsin  |  
      Pointer to an array that contains the output vector y.  |  
     
Description
The v?Asin function computes inverse sine of vector elements.
| Argument | Result | VM Error Status | Exception | 
|---|---|---|---|
| +0 | +0 | ||
| -0 | -0 | ||
| +1 | +π/2 | ||
| -1 | -π/2 | ||
| |X| > 1 | QNAN | VML_STATUS_ERRDOM | INVALID | 
| +∞ | QNAN | VML_STATUS_ERRDOM | INVALID | 
| -∞ | QNAN | VML_STATUS_ERRDOM | INVALID | 
| QNAN | QNAN | ||
| SNAN | QNAN | INVALID | 
Specifications for special values of the complex functions are defined according to the following formula
Asin(z) = -i*Asinh(i*z).