Exemple #1
0
        public Number Mult(Number n)
        {
            var opKind = OperationKind(this.Kind, n.Kind);

            if (this.HasErrors || n.HasErrors)
            {
                return(new Number(this.State | n.State, opKind));
            }

            if (opKind.IsInteger())
            {
                var result = LLVM.ConstMul(this.Value, n.Value);
                var state  = CheckForOpOverflow(opKind, result);

                if (state != NumberState.Ok)
                {
                    return(new Number(state | this.State | n.State, opKind));
                }
                else
                {
                    return new Number(dummy: string.Empty)
                           {
                               Value = result,
                               State = this.State | n.State,
                               Kind  = opKind
                           }
                };
            }
            else
            {
                var op1 = this.Convert(opKind);
                var op2 = n.Convert(opKind);

                if (op1 == this)
                {
                    op1 = op1.Duplicate();
                }
                op1.State |= (NumberState)LLVMExt.APFloatMult(op1.APFloat, op2.APFloat, RoundingMode);
                return(op1);
            }
        }
Exemple #2
0
        public Number Neg()
        {
            var opKind = OperationKind(this.Kind, NumberKind.UInt8);

            if (this.HasErrors)
            {
                return(new Number(this.State, opKind));
            }

            if (opKind.IsInteger())
            {
                var result = LLVM.ConstNeg(this.Value);
                var undef  = result.IsUndef();

                return(new Number(dummy: string.Empty)
                {
                    Value = result,
                    State = this.State | (undef ? NumberState.Invalid : NumberState.Ok),
                    Kind = opKind
                });
            }
            else
            {
                var dup      = this.Duplicate();
                var minusOne = new Number(-1.0, this.Kind);
                var state    = (NumberState)LLVMExt.APFloatMult(dup.APFloat, minusOne.APFloat, RoundingMode);
                var result   = dup.APFloat;
                dup.APFloat = new LLVMAPFloatRef(IntPtr.Zero);

                return(new Number(dummy: string.Empty)
                {
                    APFloat = result,
                    State = this.State | state,
                    Kind = opKind
                });
            }
        }