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IMSL Name:  SDDOTA (Single precision version)
 
Revised:    August 9, 1986
 
Purpose:    Compute the sum of a single-precision scalar, a
            single-precision dot product and the double-precision
            accumulator, which is set to the result
            ACC = ACC + a + x*y.
 
Usage:      SDDOTA(N, SA, ACC, SX, INCX, SY, INCY)
 
Arguments:
   N      - Length of vectors X and Y.  (Input)
   SA     - Real scalar added to the computed dot product.
            (Input)
   ACC    - Accumulator.  (Input/Output)
            ACC is a double precision vector of length 2.  On
            input, ACC contains previous dot product calculations.
            On output, ACC contains the sum of SA and SX dot SY
            and the input values for ACC.
   SX     - Real vector of length MAX(N*IABS(INCX),1).  (Input)
   INCX   - Displacement between elements of SX.  (Input)
            X(I) is defined to be
               SX(1+(I-1)*INCX) if INCX.GE.0  or
               SX(1+(I-N)*INCX) if INCX.LT.0.
   SY     - Real vector of length MAX(N*IABS(INCY),1).  (Input)
   INCY   - Displacement between elements of SY.  (Input)
            Y(I) is defined to be
               SY(1+(I-1)*INCY) if INCY.GE.0  or
               SY(1+(I-N)*INCY) if INCY.LT.0.
   SDDOTA - Real sum from I = 1 to N of X(I)*Y(I) plus SA plus
            previos dot product calculations.
            (Output)
            X(I) and Y(I) refer to specific elements of SX and SY.
 
Keyword:    Level 1 BLAS; Inner product; Scalar product
 
GAMS:       D1a4
 
Chapters:   MATH/LIBRARY Basic Matrix/Vector Operations
            STAT/LIBRARY Mathematical Support
 
Page No.:   MATH/LIBRARY User's Manual page 1144
            STAT/LIBRARY User's Manual page 1506