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Casts the input value to a signed 16-bit integer.

this: inputNumberThe input value.


Code Editor (JavaScript)

// Cast a number to signed 16-bit integer: [-32768, 32767].
var number = ee.Number(100);
print('Number:', number);

var int16Number = number.toInt16();
print('Number cast to int16:', int16Number);

 * Casting numbers to int16 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 int16 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);

var floatToInt16 = float.toInt16();
print('Floating point value cast to int16:', floatToInt16);

// A number greater than int16 range max cast to int16 becomes int16 range max.
var INT16_MAX = 32767;
var outOfRangeHi = ee.Number(INT16_MAX + 12345);
print('Greater than int16 max:', outOfRangeHi);

var outOfRangeHiToInt16 = outOfRangeHi.toInt16();
print('Greater than int16 max cast to int16 becomes int16 max:', outOfRangeHiToInt16);

// A number greater than int16 range min cast to int16 becomes int16 range min.
var INT16_MIN = -32768;
var outOfRangeLo = ee.Number(INT16_MIN - 12345);
print('Less than int16 min:', outOfRangeLo);

var outOfRangeLoToInt16 = outOfRangeLo.toInt16();
print('Less than int16 min cast to int16 becomes int16 min:', outOfRangeLoToInt16);