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Full Discussion: Changing value inside function
Top Forums Programming Changing value inside function Post 302639823 by kristinu on Sunday 13th of May 2012 09:26:03 AM
Old 05-13-2012
Changing value inside function
I have the following code and want to update shiftDesc inside the function. Is it correct to declare the argument as:

Code:







int  shiftDesc




Code:



void prValue_vd(
  FILE*  stream,           // name of output stream
  int  shift,              // amount of shift to the right
  const char*  value,      // value associated with argument action key
  int  shiftDesc,          // additional shift to the description
  const char*  desc ) {    // description

  shiftDesc = shiftDesc + 4;
  const char*  format = "%*s\e[1;32m%s\e[0;37m%*s%s\e[0m\n";
  fprintf( stream, format, shift, " " , value, shiftDesc, " ", desc );

}















        

        

       



            
            
            
            


            

            
            




            
                
            

            

        



        


        


 


        

        
        

        


 

            
        




















	


		


		 
		
			












	
	









    







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LEARN ABOUT SUNOS



mlib_vectormulshift_s16_s16_mod








mlib_VectorMulShift_U8_U8_Mod(3MLIB)			    mediaLib Library Functions			      mlib_VectorMulShift_U8_U8_Mod(3MLIB)

NAME

       mlib_VectorMulShift_U8_U8_Mod,  mlib_VectorMulShift_U8_U8_Sat,  mlib_VectorMulShift_U8C_U8C_Mod, mlib_VectorMulShift_U8C_U8C_Sat, mlib_Vec-
       torMulShift_S8_S8_Mod,  mlib_VectorMulShift_S8_S8_Sat,  mlib_VectorMulShift_S8C_S8C_Mod,  mlib_VectorMulShift_S8C_S8C_Sat,  mlib_VectorMul-
       Shift_S16_S16_Mod,  mlib_VectorMulShift_S16_S16_Sat,  mlib_VectorMulShift_S16C_S16C_Mod, mlib_VectorMulShift_S16C_S16C_Sat, mlib_VectorMul-
       Shift_S32_S32_Mod, mlib_VectorMulShift_S32_S32_Sat, mlib_VectorMulShift_S32C_S32C_Mod, mlib_VectorMulShift_S32C_S32C_Sat - vector multipli-
       cation with shifting

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_VectorMulShift_U8_U8_Mod(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8_U8_Sat(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8C_U8C_Mod(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_U8C_U8C_Sat(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8_S8_Mod(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8_S8_Sat(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8C_S8C_Mod(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S8C_S8C_Sat(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16_S16_Mod(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16_S16_Sat(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16C_S16C_Mod(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S16C_S16C_Sat(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32_S32_Mod(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32_S32_Sat(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32C_S32C_Mod(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

       mlib_status mlib_VectorMulShift_S32C_S32C_Sat(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);

DESCRIPTION

       Each of these functions performs a multiplication of two vectors, shifts the result, and puts it into a third vector.

       For real data, the following equation is used:

       z[i] = x[i] * y[i] * 2**(-shift)

       where i = 0, 1, ..., (n - 1).

       For complex data, the following equation is used:

       z[2*i]	  = (x[2*i]*y[2*i] - x[2*i + 1]*y[2*i + 1]) * 2**(-shift)
       z[2*i + 1] = (x[2*i]*y[2*i + 1] + x[2*i + 1]*y[2*i]) * 2**(-shift)

       where i = 0, 1, ..., (n - 1).

PARAMETERS

       Each of the functions takes the following arguments:

       z	       Pointer to the first element of the result vector.

       x	       Pointer to the first element of the first source vector.

       y	       Pointer to the first element of the second source vector.

       n	       Number of elements in each vector.

       shift	       Right shifting factor.  The ranges of valid shift are:

		       1 <= shift <= 8	 for U8, S8, U8C, S8C types
		       1 <= shift <= 16  for S16, S16C types
		       1 <= shift <= 31  for S32, S32C types

RETURN VALUES

       Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_VectorMulShift_U8_Mod(3MLIB), attributes(5)

SunOS 5.10							    10 Nov 2004 			      mlib_VectorMulShift_U8_U8_Mod(3MLIB)





















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