Casts the input value to a signed 32-bit integer.
Usage | Returns | Number.int32() | Number |
Argument | Type | Details | this: input | Number | The input value. |
Examples
Code Editor (JavaScript)
// Cast a number to signed 32-bit integer: [-2147483648, 2147483647].
var number = ee.Number(100);
print('Number:', number);
var int32Number = number.int32();
print('Number cast to int32:', int32Number);
/**
* Casting numbers to int32 that are outside of its range and precision can
* modify the resulting value, note the behavior of the following scenarios.
*/
// A floating point number cast to int32 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);
var floatToInt32 = float.int32();
print('Floating point value cast to int32:', floatToInt32);
// A number greater than int32 range max cast to int32 becomes int32 range max.
var INT32_MAX = 2147483647;
var outOfRangeHi = ee.Number(INT32_MAX + 12345);
print('Greater than int32 max:', outOfRangeHi);
var outOfRangeHiToInt32 = outOfRangeHi.int32();
print('Greater than int32 max cast to int32 becomes int32 max:', outOfRangeHiToInt32);
// A number greater than int32 range min cast to int32 becomes int32 range min.
var INT32_MIN = -2147483648;
var outOfRangeLo = ee.Number(INT32_MIN - 12345);
print('Less than int32 min:', outOfRangeLo);
var outOfRangeLoToInt32 = outOfRangeLo.int32();
print('Less than int32 min cast to int32 becomes int32 min:', outOfRangeLoToInt32);