442 * @return the {@code float} value represented by the string 443 * argument. 444 * @throws NullPointerException if the string is null 445 * @throws NumberFormatException if the string does not contain a 446 * parsable {@code float}. 447 * @see java.lang.Float#valueOf(String) 448 * @since 1.2 449 */ 450 public static float parseFloat(String s) throws NumberFormatException { 451 return FloatingDecimal.readJavaFormatString(s).floatValue(); 452 } 453 454 /** 455 * Returns {@code true} if the specified number is a 456 * Not-a-Number (NaN) value, {@code false} otherwise. 457 * 458 * @param v the value to be tested. 459 * @return {@code true} if the argument is NaN; 460 * {@code false} otherwise. 461 */ 462 static public boolean isNaN(float v) { 463 return (v != v); 464 } 465 466 /** 467 * Returns {@code true} if the specified number is infinitely 468 * large in magnitude, {@code false} otherwise. 469 * 470 * @param v the value to be tested. 471 * @return {@code true} if the argument is positive infinity or 472 * negative infinity; {@code false} otherwise. 473 */ 474 static public boolean isInfinite(float v) { 475 return (v == POSITIVE_INFINITY) || (v == NEGATIVE_INFINITY); 476 } 477 478 /** 479 * The value of the Float. 480 * 481 * @serial 482 */ 483 private final float value; 484 485 /** 486 * Constructs a newly allocated {@code Float} object that 487 * represents the primitive {@code float} argument. 488 * 489 * @param value the value to be represented by the {@code Float}. 490 */ 491 public Float(float value) { 492 this.value = value; 493 } 494 495 /** 496 * Constructs a newly allocated {@code Float} object that 497 * represents the argument converted to type {@code float}. | 442 * @return the {@code float} value represented by the string 443 * argument. 444 * @throws NullPointerException if the string is null 445 * @throws NumberFormatException if the string does not contain a 446 * parsable {@code float}. 447 * @see java.lang.Float#valueOf(String) 448 * @since 1.2 449 */ 450 public static float parseFloat(String s) throws NumberFormatException { 451 return FloatingDecimal.readJavaFormatString(s).floatValue(); 452 } 453 454 /** 455 * Returns {@code true} if the specified number is a 456 * Not-a-Number (NaN) value, {@code false} otherwise. 457 * 458 * @param v the value to be tested. 459 * @return {@code true} if the argument is NaN; 460 * {@code false} otherwise. 461 */ 462 public static boolean isNaN(float v) { 463 return (v != v); 464 } 465 466 /** 467 * Returns {@code true} if the specified number is infinitely 468 * large in magnitude, {@code false} otherwise. 469 * 470 * @param v the value to be tested. 471 * @return {@code true} if the argument is positive infinity or 472 * negative infinity; {@code false} otherwise. 473 */ 474 public static boolean isInfinite(float v) { 475 return (v == POSITIVE_INFINITY) || (v == NEGATIVE_INFINITY); 476 } 477 478 479 /** 480 * Returns {@code true} if the argument is a finite floating-point 481 * value; returns {@code false} otherwise (for NaN and infinity 482 * arguments). 483 * 484 * @param f the {@code float} value to be tested 485 * @return {@code true} if the argument is a finite 486 * floating-point value, {@code false} otherwise. 487 * @since 1.8 488 */ 489 public static boolean isFinite(float f) { 490 return Math.abs(f) <= FloatConsts.MAX_VALUE; 491 } 492 493 /** 494 * The value of the Float. 495 * 496 * @serial 497 */ 498 private final float value; 499 500 /** 501 * Constructs a newly allocated {@code Float} object that 502 * represents the primitive {@code float} argument. 503 * 504 * @param value the value to be represented by the {@code Float}. 505 */ 506 public Float(float value) { 507 this.value = value; 508 } 509 510 /** 511 * Constructs a newly allocated {@code Float} object that 512 * represents the argument converted to type {@code float}. |