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Support Float16Array #49

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Support Float16Array #49

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,7 @@ Data type | String
`Uint32Array` | "uint32"
`BigInt64Array` | "bigint64"
`BigUint64Array` | "biguint64"
`Float16Array` | "float16"
`Float32Array` | "float32"
`Float64Array` | "float64"
`Array` | "array"
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3 changes: 3 additions & 0 deletions ndarray.js
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Expand Up @@ -262,6 +262,8 @@ function arrayDType(data) {
return "float64"
case "[object Float32Array]":
return "float32"
case "[object Float16Array]":
return "float16"
case "[object Int8Array]":
return "int8"
case "[object Int16Array]":
Expand Down Expand Up @@ -291,6 +293,7 @@ function arrayDType(data) {
var CACHED_CONSTRUCTORS = {
"float32":[],
"float64":[],
"float16":[],
"int8":[],
"int16":[],
"int32":[],
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16 changes: 16 additions & 0 deletions test/test.js
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Expand Up @@ -74,6 +74,22 @@ test("bigint64", function(t) {
t.end()
})

if((typeof Float16Array) !== "undefined")
test("float16", function(t) {
var p = ndarray(new Float16Array([1,2,3,4]), [4])
t.equals(p.dtype, "float16")
t.equals(p.get(0), 1)
t.equals(p.get(1), 2)
t.equals(p.get(2), 3)
t.equals(p.get(3), 4)
p.set(0, 0.5)
t.equals(p.get(0), 0.5)
//values are rounded to the nearest half, as the array itself does
p.set(1, 0.1)
t.equals(p.get(1), new Float16Array([0.1])[0])
t.end()
})

test("buffer", function(t) {
var p = ndarray(new Buffer(5))
t.equals(p.dtype, "buffer")
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