Floating-point Multiply and Subtract

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

**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`.