Language Reference

FMADD(A, X, Y)

Floating-point Multiply and Add

Returns the result of a floating-point multiply-add.

Parameters

A

must be of type REAL(8). If compiled on a PowerPC platform with -qarch set for PowerPC compilation, A may alternatively be of type REAL(4).

X

must be of the same type and kind type parameter as A.

Y

must be of the same type and kind type parameter as A.

Result Type and Attributes

Same as A, X, and Y.

Results

The result has a value equal to A*X + Y.

Examples

The following example is only valid if compiled with the -qarch option set for PowerPC compilation, because A, B, C and RES1 are single precision reals.

       REAL(4) :: A, B, C, RES1
       REAL(8) :: D, E, F, RES2
 
       RES1 = FMADD(A, B, C)
       RES2 = FMADD(D, E, F)
       END