| 52 |
|
|
| 53 |
|
} |
| 54 |
|
|
| 55 |
< |
function NewNumeric(aValue: AnsiString): IFBNumeric; overload; |
| 56 |
< |
function NewNumeric(aValue: double; aScale: integer): IFBNumeric; overload; |
| 57 |
< |
function NewNumeric(aValue: TBCD): IFBNumeric; overload; |
| 58 |
< |
function NewNumeric(aValue: currency): IFBNumeric; overload; |
| 59 |
< |
function NewNumeric(aValue: Int64): IFBNumeric; overload; |
| 55 |
> |
function StrToNumeric(aValue: AnsiString): IFBNumeric; |
| 56 |
> |
function DoubleToNumeric(aValue: double): IFBNumeric; |
| 57 |
> |
function BCDToNumeric(aValue: TBCD): IFBNumeric; |
| 58 |
> |
function CurrToNumeric(aValue: currency): IFBNumeric; |
| 59 |
> |
function IntToNumeric(aValue: Int64): IFBNumeric; |
| 60 |
|
function NumericFromRawValues(aValue: Int64; aScale: integer): IFBNumeric; |
| 61 |
+ |
function NumericToDouble(aValue: Int64; aScale: integer): double; |
| 62 |
|
|
| 63 |
|
function TryStrToNumeric(S: Ansistring; out Value: int64; out scale: integer): boolean; |
| 63 |
– |
function NumericToDouble(aValue: Int64; aScale: integer): double; |
| 64 |
|
|
| 65 |
|
function SafeSmallInt(aValue: Int64): Smallint; |
| 66 |
|
function SafeInteger(aValue: Int64): integer; |
| 67 |
|
|
| 68 |
+ |
{Numeric Arithmetic} |
| 69 |
+ |
function NumericAdd(x,y: IFBNumeric): IFBNumeric; overload; {returns x + y} |
| 70 |
+ |
function NumericSubtract(x,y: IFBNumeric): IFBNumeric; overload; {returns x - y} |
| 71 |
+ |
function NumericMultiply(x,y: IFBNumeric): IFBNumeric; overload; {returns x * y} |
| 72 |
+ |
function NumericDivide(x,y: IFBNumeric): IFBNumeric; overload; {returns x / y} |
| 73 |
+ |
function NumericCompare(x,y: IFBNumeric): integer; overload; {returns -1: x < y; 0: x = y; 1: x > y} |
| 74 |
+ |
function NegateNumeric(x: IFBNumeric): IFBNumeric; overload; {returns -x} |
| 75 |
+ |
|
| 76 |
+ |
{integer operations} |
| 77 |
+ |
function NumericAdd(x: IFBNumeric; y: int64): IFBNumeric; overload; {returns x + y} |
| 78 |
+ |
function NumericSubtract(x: IFBNumeric; y: int64): IFBNumeric; overload; {returns x - y} |
| 79 |
+ |
function NumericSubtract(x: int64; y: IFBNumeric): IFBNumeric; overload; {returns x - y} |
| 80 |
+ |
function NumericMultiply(x: IFBNumeric; y: int64): IFBNumeric; overload; {returns x * y} |
| 81 |
+ |
function NumericDivide(x: IFBNumeric; y: int64): IFBNumeric; overload; {returns x / y} |
| 82 |
+ |
function NumericDivide(x: int64; y: IFBNumeric): IFBNumeric; overload; {returns x / y} |
| 83 |
+ |
function NumericCompare(x: IFBNumeric; y: int64): integer; overload; {returns -1: x < y; 0: x = y; 1: x > y} |
| 84 |
+ |
|
| 85 |
+ |
{floating point operations} |
| 86 |
+ |
function NumericAdd(x: IFBNumeric; y: double): IFBNumeric; overload; {returns x + y} |
| 87 |
+ |
function NumericSubtract(x: IFBNumeric; y: double): IFBNumeric; overload; {returns x - y} |
| 88 |
+ |
function NumericSubtract(x: double; y: IFBNumeric): IFBNumeric; overload; {returns x - y} |
| 89 |
+ |
function NumericMultiply(x: IFBNumeric; y: double): IFBNumeric; overload; {returns x * y} |
| 90 |
+ |
function NumericDivide(x: IFBNumeric; y: double): IFBNumeric; overload; {returns x div y} |
| 91 |
+ |
function NumericDivide(x: double; y: IFBNumeric): IFBNumeric; overload; {returns x div y} |
| 92 |
+ |
function NumericCompare(x: IFBNumeric; y: double): integer; overload; {returns -1: x < y; 0: x = y; 1: x > y} |
| 93 |
|
|
| 94 |
|
implementation |
| 95 |
|
|
| 105 |
|
private |
| 106 |
|
FValue: Int64; |
| 107 |
|
FScale: integer; |
| 83 |
– |
// function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64; |
| 108 |
|
public |
| 109 |
< |
constructor Create(aValue: Int64; aScale: integer); overload; |
| 110 |
< |
constructor Create(aValue: Int64); overload; |
| 111 |
< |
constructor Create(aValue: AnsiString); overload; |
| 112 |
< |
constructor Create(aValue: double; aScale: integer); overload; |
| 113 |
< |
constructor Create(aValue: Currency); overload; |
| 114 |
< |
constructor Create(aValue: TBCD); overload; |
| 109 |
> |
constructor Create(aValue: Int64; aScale: integer); |
| 110 |
> |
constructor CreateFromInt(aValue: Int64); |
| 111 |
> |
constructor CreateFromStr(aValue: AnsiString); |
| 112 |
> |
constructor CreateFromDouble(aValue: double); |
| 113 |
> |
constructor CreateFromCurr(aValue: Currency); |
| 114 |
> |
constructor CreateFromBCD(aValue: TBCD); |
| 115 |
|
public |
| 116 |
|
{IFBNumeric} |
| 117 |
|
function getRawValue: Int64; |
| 118 |
|
function getScale: integer; |
| 119 |
< |
function clone(aNewScale: integer): IFBNumeric; |
| 119 |
> |
function AdjustScaleTo(aNewScale: integer): IFBNumeric; |
| 120 |
|
function getAsString: AnsiString; |
| 121 |
|
function getAsDouble: double; |
| 122 |
|
function getAsCurrency: Currency; |
| 126 |
|
function getAsSmallInt: SmallInt; {scaled - may be truncated} |
| 127 |
|
end; |
| 128 |
|
|
| 129 |
< |
function NewNumeric(aValue: AnsiString): IFBNumeric; |
| 129 |
> |
function StrToNumeric(aValue: AnsiString): IFBNumeric; |
| 130 |
|
begin |
| 131 |
< |
Result := TFBNumeric.Create(aValue); |
| 131 |
> |
Result := TFBNumeric.CreateFromStr(aValue); |
| 132 |
|
end; |
| 133 |
|
|
| 134 |
< |
function NewNumeric(aValue: double; aScale: integer): IFBNumeric; |
| 134 |
> |
function DoubleToNumeric(aValue: double): IFBNumeric; |
| 135 |
|
begin |
| 136 |
< |
Result := TFBNumeric.Create(aValue,aScale); |
| 136 |
> |
Result := TFBNumeric.CreateFromDouble(aValue); |
| 137 |
|
end; |
| 138 |
|
|
| 139 |
< |
function NewNumeric(aValue: TBCD): IFBNumeric; |
| 139 |
> |
function BCDToNumeric(aValue: TBCD): IFBNumeric; |
| 140 |
|
begin |
| 141 |
< |
Result := TFBNumeric.Create(aValue); |
| 141 |
> |
Result := TFBNumeric.CreateFromBCD(aValue); |
| 142 |
|
end; |
| 143 |
|
|
| 144 |
< |
function NewNumeric(aValue: currency): IFBNumeric; |
| 144 |
> |
function CurrToNumeric(aValue: currency): IFBNumeric; |
| 145 |
|
begin |
| 146 |
< |
Result := TFBNumeric.Create(aValue); |
| 146 |
> |
Result := TFBNumeric.CreateFromCurr(aValue); |
| 147 |
|
end; |
| 148 |
|
|
| 149 |
< |
function NewNumeric(aValue: Int64): IFBNumeric; |
| 149 |
> |
function IntToNumeric(aValue: Int64): IFBNumeric; |
| 150 |
|
begin |
| 151 |
< |
Result := TFBNumeric.Create(aValue); |
| 151 |
> |
Result := TFBNumeric.CreateFromINT(aValue); |
| 152 |
|
end; |
| 153 |
|
|
| 154 |
|
function NumericFromRawValues(aValue: Int64; aScale: integer): IFBNumeric; |
| 231 |
|
end; |
| 232 |
|
|
| 233 |
|
function NumericToDouble(aValue: Int64; aScale: integer): double; |
| 234 |
+ |
var rValue: extended; |
| 235 |
|
begin |
| 236 |
< |
Result := aValue * IntPower(10,aScale); |
| 236 |
> |
rValue := aValue; |
| 237 |
> |
Result := rValue * IntPower(10,aScale); |
| 238 |
|
end; |
| 239 |
|
|
| 240 |
|
function SafeSmallInt(aValue: Int64): Smallint; |
| 255 |
|
Result := aValue; |
| 256 |
|
end; |
| 257 |
|
|
| 258 |
< |
{ TFBNumeric } |
| 258 |
> |
{AdjustScale returns a raw int64 value derived from x but with aNewScale} |
| 259 |
|
|
| 260 |
< |
(*function TFBNumeric.AdjustScaleFromCurrency(Value: Currency; aScale: Integer |
| 261 |
< |
): Int64; |
| 262 |
< |
var |
| 263 |
< |
Scaling : Int64; |
| 264 |
< |
i : Integer; |
| 239 |
< |
begin |
| 240 |
< |
Result := 0; |
| 241 |
< |
Scaling := 1; |
| 242 |
< |
if aScale < 0 then |
| 260 |
> |
function AdjustScale(x: IFBNumeric; aNewScale: integer): int64; |
| 261 |
> |
begin |
| 262 |
> |
Result := x.getRawValue; |
| 263 |
> |
aNewScale := x.getScale - aNewScale; |
| 264 |
> |
while aNewScale < 0 do |
| 265 |
|
begin |
| 266 |
< |
for i := -1 downto aScale do |
| 267 |
< |
Scaling := Scaling * 10; |
| 268 |
< |
result := trunc(Value * Scaling); |
| 269 |
< |
end |
| 248 |
< |
else |
| 249 |
< |
if aScale > 0 then |
| 266 |
> |
Result := Round(Result / 10); |
| 267 |
> |
Inc(aNewScale); |
| 268 |
> |
end; |
| 269 |
> |
while aNewScale > 0 do |
| 270 |
|
begin |
| 271 |
< |
for i := 1 to aScale do |
| 272 |
< |
Scaling := Scaling * 10; |
| 273 |
< |
result := trunc(Value / Scaling); |
| 274 |
< |
end |
| 271 |
> |
Result := Result * 10; |
| 272 |
> |
Dec(aNewScale); |
| 273 |
> |
end; |
| 274 |
> |
end; |
| 275 |
> |
|
| 276 |
> |
function CompareInt(a,b: integer): integer; |
| 277 |
> |
begin |
| 278 |
> |
if a < b then |
| 279 |
> |
Result := -1 |
| 280 |
> |
else |
| 281 |
> |
if a = b then |
| 282 |
> |
Result := 0 |
| 283 |
> |
else |
| 284 |
> |
Result := 1; |
| 285 |
> |
end; |
| 286 |
> |
|
| 287 |
> |
function NumericAdd(x, y: IFBNumeric): IFBNumeric; |
| 288 |
> |
begin |
| 289 |
> |
case CompareInt(x.getScale,y.getScale) of |
| 290 |
> |
0: |
| 291 |
> |
Result := NumericFromRawValues(x.getRawValue + y.getRawValue,x.getScale); |
| 292 |
> |
1: |
| 293 |
> |
Result := NumericFromRawValues(AdjustScale(x,y.getscale) + y.getRawValue,y.getScale); |
| 294 |
> |
else |
| 295 |
> |
Result := NumericFromRawValues(AdjustScale(y,x.getscale) + x.getRawValue,x.getScale); |
| 296 |
> |
end; |
| 297 |
> |
end; |
| 298 |
> |
|
| 299 |
> |
function NumericSubtract(x, y: IFBNumeric): IFBNumeric; |
| 300 |
> |
begin |
| 301 |
> |
case CompareInt(x.getScale,y.getScale) of |
| 302 |
> |
0: |
| 303 |
> |
Result := NumericFromRawValues(x.getRawValue - y.getRawValue,x.getScale); |
| 304 |
> |
1: |
| 305 |
> |
Result := NumericFromRawValues(AdjustScale(x,y.getscale) - y.getRawValue,y.getScale); |
| 306 |
> |
else |
| 307 |
> |
Result := NumericFromRawValues(AdjustScale(y,x.getscale) - x.getRawValue,x.getScale); |
| 308 |
> |
end; |
| 309 |
> |
end; |
| 310 |
> |
|
| 311 |
> |
function NumericMultiply(x, y: IFBNumeric): IFBNumeric; |
| 312 |
> |
begin |
| 313 |
> |
Result := NumericFromRawValues(x.getRawValue * y.getRawValue,x.getScale+y.getScale); |
| 314 |
> |
end; |
| 315 |
> |
|
| 316 |
> |
function NumericDivide(x, y: IFBNumeric): IFBNumeric; |
| 317 |
> |
var z: double; |
| 318 |
> |
begin |
| 319 |
> |
{Compute actual value as a double} |
| 320 |
> |
z := (x.getRawValue / y.getRawValue) * IntPower(10, x.getScale - y.getScale); |
| 321 |
> |
{Return numeric at original no. of decimal places of numerator} |
| 322 |
> |
Result := DoubleTONumeric(z).AdjustScaleTo(x.getScale); |
| 323 |
> |
end; |
| 324 |
> |
|
| 325 |
> |
function NumericCompare(x, y: IFBNumeric): integer; |
| 326 |
> |
begin |
| 327 |
> |
case CompareInt(x.getScale,y.getScale) of |
| 328 |
> |
0: |
| 329 |
> |
Result := CompareInt(x.getRawValue,y.getRawValue); |
| 330 |
> |
1: |
| 331 |
> |
Result := CompareInt(AdjustScale(x,y.getscale),y.getRawValue); |
| 332 |
|
else |
| 333 |
< |
result := trunc(Value); |
| 334 |
< |
end;*) |
| 333 |
> |
Result := CompareInt(x.getRawValue,AdjustScale(y,x.getscale)); |
| 334 |
> |
end; |
| 335 |
> |
end; |
| 336 |
> |
|
| 337 |
> |
function NegateNumeric(x: IFBNumeric): IFBNumeric; |
| 338 |
> |
begin |
| 339 |
> |
Result := NumericFromRawValues(-x.getRawValue,x.getScale); |
| 340 |
> |
end; |
| 341 |
> |
|
| 342 |
> |
function NumericAdd(x: IFBNumeric; y: int64): IFBNumeric; |
| 343 |
> |
begin |
| 344 |
> |
Result := NumericAdd(x,IntToNumeric(y)); |
| 345 |
> |
end; |
| 346 |
> |
|
| 347 |
> |
function NumericSubtract(x: IFBNumeric; y: int64): IFBNumeric; |
| 348 |
> |
begin |
| 349 |
> |
Result := NumericSubtract(x,IntToNumeric(y)); |
| 350 |
> |
end; |
| 351 |
> |
|
| 352 |
> |
function NumericSubtract(x: int64; y: IFBNumeric): IFBNumeric; |
| 353 |
> |
begin |
| 354 |
> |
Result := NumericSubtract(IntToNumeric(x),y); |
| 355 |
> |
end; |
| 356 |
> |
|
| 357 |
> |
function NumericMultiply(x: IFBNumeric; y: int64): IFBNumeric; |
| 358 |
> |
begin |
| 359 |
> |
Result := NumericMultiply(x,IntToNumeric(y)); |
| 360 |
> |
end; |
| 361 |
> |
|
| 362 |
> |
function NumericDivide(x: IFBNumeric; y: int64): IFBNumeric; |
| 363 |
> |
begin |
| 364 |
> |
Result := NumericDivide(x,IntToNumeric(y)); |
| 365 |
> |
end; |
| 366 |
> |
|
| 367 |
> |
function NumericDivide(x: int64; y: IFBNumeric): IFBNumeric; |
| 368 |
> |
begin |
| 369 |
> |
Result := NumericDivide(IntToNumeric(x),y); |
| 370 |
> |
end; |
| 371 |
> |
|
| 372 |
> |
function NumericCompare(x: IFBNumeric; y: int64): integer; |
| 373 |
> |
begin |
| 374 |
> |
Result := NumericCompare(x,IntToNumeric(y)); |
| 375 |
> |
end; |
| 376 |
> |
|
| 377 |
> |
function NumericAdd(x: IFBNumeric; y: double): IFBNumeric; |
| 378 |
> |
begin |
| 379 |
> |
Result := NumericAdd(x,DoubleToNumeric(y)); |
| 380 |
> |
end; |
| 381 |
> |
|
| 382 |
> |
function NumericSubtract(x: IFBNumeric; y: double): IFBNumeric; |
| 383 |
> |
begin |
| 384 |
> |
Result := NumericSubtract(x,DoubleToNumeric(y)); |
| 385 |
> |
end; |
| 386 |
> |
|
| 387 |
> |
function NumericSubtract(x: double; y: IFBNumeric): IFBNumeric; |
| 388 |
> |
begin |
| 389 |
> |
Result := NumericSubtract(DoubleToNumeric(x),y); |
| 390 |
> |
end; |
| 391 |
> |
|
| 392 |
> |
function NumericMultiply(x: IFBNumeric; y: double): IFBNumeric; |
| 393 |
> |
begin |
| 394 |
> |
Result := NumericMultiply(x,DoubleToNumeric(y)); |
| 395 |
> |
end; |
| 396 |
> |
|
| 397 |
> |
function NumericDivide(x: IFBNumeric; y: double): IFBNumeric; |
| 398 |
> |
begin |
| 399 |
> |
Result := NumericDivide(x,DoubleToNumeric(y)); |
| 400 |
> |
end; |
| 401 |
> |
|
| 402 |
> |
function NumericDivide(x: double; y: IFBNumeric): IFBNumeric; |
| 403 |
> |
begin |
| 404 |
> |
Result := NumericDivide(DoubleToNumeric(x),y); |
| 405 |
> |
end; |
| 406 |
> |
|
| 407 |
> |
function NumericCompare(x: IFBNumeric; y: double): integer; |
| 408 |
> |
begin |
| 409 |
> |
Result := NumericCompare(x,DoubleToNumeric(y)); |
| 410 |
> |
end; |
| 411 |
|
|
| 412 |
|
constructor TFBNumeric.Create(aValue: Int64; aScale: integer); |
| 413 |
|
begin |
| 416 |
|
FScale := aScale; |
| 417 |
|
end; |
| 418 |
|
|
| 419 |
< |
constructor TFBNumeric.Create(aValue: Int64); |
| 419 |
> |
constructor TFBNumeric.CreateFromInt(aValue: Int64); |
| 420 |
|
begin |
| 421 |
|
inherited Create; |
| 422 |
|
FValue := aValue; |
| 423 |
|
FScale := 0; |
| 424 |
|
end; |
| 425 |
|
|
| 426 |
< |
constructor TFBNumeric.Create(aValue: AnsiString); |
| 426 |
> |
constructor TFBNumeric.CreateFromStr(aValue: AnsiString); |
| 427 |
|
begin |
| 428 |
|
inherited Create; |
| 429 |
|
if not TryStrToNumeric(aValue,FValue,FScale) then |
| 430 |
|
IBError(ibxeInvalidDataConversion,[aValue]); |
| 431 |
|
end; |
| 432 |
|
|
| 433 |
< |
constructor TFBNumeric.Create(aValue: double; aScale: integer); |
| 434 |
< |
var |
| 435 |
< |
Scaling : Int64; |
| 283 |
< |
i : Integer; |
| 284 |
< |
begin |
| 285 |
< |
inherited Create; |
| 286 |
< |
FScale := aScale; |
| 287 |
< |
FValue := 0; |
| 288 |
< |
Scaling := 1; |
| 289 |
< |
if aScale < 0 then |
| 433 |
> |
constructor TFBNumeric.CreateFromDouble(aValue: double); |
| 434 |
> |
|
| 435 |
> |
function WithinLimits(a: double): boolean; |
| 436 |
|
begin |
| 437 |
< |
for i := -1 downto aScale do |
| 438 |
< |
Scaling := Scaling * 10; |
| 439 |
< |
FValue := trunc(aValue * Scaling); |
| 440 |
< |
end |
| 441 |
< |
else |
| 442 |
< |
if aScale > 0 then |
| 437 |
> |
a := abs(frac(a)); |
| 438 |
> |
Result := (a > 0.001) and (a < 0.999); {avoid small rounding errors converting to decimal} |
| 439 |
> |
end; |
| 440 |
> |
|
| 441 |
> |
var aScale: integer; |
| 442 |
> |
i: int64; |
| 443 |
> |
begin |
| 444 |
> |
aScale := 0; |
| 445 |
> |
while WithinLimits(AValue) do |
| 446 |
|
begin |
| 447 |
< |
for i := 1 to aScale do |
| 448 |
< |
Scaling := Scaling * 10; |
| 449 |
< |
FValue := trunc(aValue / Scaling); |
| 450 |
< |
end |
| 451 |
< |
else |
| 303 |
< |
FValue := trunc(aValue); |
| 304 |
< |
// writeln('Adjusted ',Value,' to ',Result); |
| 447 |
> |
aValue := aValue * 10; |
| 448 |
> |
Inc(aScale); |
| 449 |
> |
end; |
| 450 |
> |
i := Round(aValue); |
| 451 |
> |
Create(i,-aScale); |
| 452 |
|
end; |
| 453 |
|
|
| 454 |
< |
constructor TFBNumeric.Create(aValue: Currency); |
| 454 |
> |
constructor TFBNumeric.CreateFromCurr(aValue: Currency); |
| 455 |
|
begin |
| 456 |
|
inherited Create; |
| 457 |
|
Move(aValue,FValue,sizeof(Int64)); |
| 458 |
|
FScale := -4; |
| 459 |
|
end; |
| 460 |
|
|
| 461 |
< |
constructor TFBNumeric.Create(aValue: TBCD); |
| 461 |
> |
constructor TFBNumeric.CreateFromBCD(aValue: TBCD); |
| 462 |
|
var ScaledBCD: TBCD; |
| 463 |
|
begin |
| 464 |
|
inherited Create; |
| 477 |
|
Result := FScale; |
| 478 |
|
end; |
| 479 |
|
|
| 480 |
< |
function TFBNumeric.clone(aNewScale: integer): IFBNumeric; |
| 480 |
> |
function TFBNumeric.AdjustScaleTo(aNewScale: integer): IFBNumeric; |
| 481 |
|
begin |
| 482 |
< |
Result := TFBNumeric.Create(Round(FValue * IntPower(10,FScale-aNewScale)),aNewScale); |
| 482 |
> |
if FScale = aNewScale then |
| 483 |
> |
Result := TFBNumeric.Create(FValue,FScale) |
| 484 |
> |
else |
| 485 |
> |
Result := TFBNumeric.Create(AdjustScale(self,aNewScale),aNewScale); |
| 486 |
|
end; |
| 487 |
|
|
| 488 |
|
function TFBNumeric.getAsString: AnsiString; |
| 531 |
|
begin |
| 532 |
|
if FScale <> -4 then |
| 533 |
|
begin |
| 534 |
< |
value := clone(-4).GetRawValue; |
| 534 |
> |
value := AdjustScaleTo(-4).GetRawValue; |
| 535 |
|
Move(value,Result,sizeof(Currency)); |
| 536 |
< |
end |
| 536 |
> |
end |
| 537 |
|
else |
| 538 |
|
Move(FValue,Result,sizeof(Currency)); |
| 539 |
|
end; |
| 540 |
|
|
| 391 |
– |
(*var |
| 392 |
– |
Scaling : Int64; |
| 393 |
– |
i : Integer; |
| 394 |
– |
FractionText, PadText, CurrText: AnsiString; |
| 395 |
– |
begin |
| 396 |
– |
Result := 0; |
| 397 |
– |
Scaling := 1; |
| 398 |
– |
PadText := ''; |
| 399 |
– |
if FScale > 0 then |
| 400 |
– |
begin |
| 401 |
– |
for i := 1 to FScale do |
| 402 |
– |
Scaling := Scaling * 10; |
| 403 |
– |
result := FValue * Scaling; |
| 404 |
– |
end |
| 405 |
– |
else |
| 406 |
– |
if FScale < 0 then |
| 407 |
– |
begin |
| 408 |
– |
for i := -1 downto FScale do |
| 409 |
– |
Scaling := Scaling * 10; |
| 410 |
– |
FractionText := IntToStr(abs(FValue mod Scaling)); |
| 411 |
– |
for i := Length(FractionText) to -FScale -1 do |
| 412 |
– |
PadText := '0' + PadText; |
| 413 |
– |
{$IF declared(DefaultFormatSettings)} |
| 414 |
– |
with DefaultFormatSettings do |
| 415 |
– |
{$ELSE} |
| 416 |
– |
{$IF declared(FormatSettings)} |
| 417 |
– |
with FormatSettings do |
| 418 |
– |
{$IFEND} |
| 419 |
– |
{$IFEND} |
| 420 |
– |
if FValue < 0 then |
| 421 |
– |
CurrText := '-' + IntToStr(Abs(FValue div Scaling)) + DecimalSeparator + PadText + FractionText |
| 422 |
– |
else |
| 423 |
– |
CurrText := IntToStr(Abs(FValue div Scaling)) + DecimalSeparator + PadText + FractionText; |
| 424 |
– |
try |
| 425 |
– |
result := StrToCurr(CurrText); |
| 426 |
– |
except |
| 427 |
– |
on E: Exception do |
| 428 |
– |
IBError(ibxeInvalidDataConversion, [nil]); |
| 429 |
– |
end; |
| 430 |
– |
end |
| 431 |
– |
else |
| 432 |
– |
result := FValue; |
| 433 |
– |
end; *) |
| 434 |
– |
|
| 541 |
|
function TFBNumeric.getAsBCD: TBCD; |
| 542 |
|
begin |
| 543 |
|
Result := DoubleToBCD(getAsDouble); |
