lib: fix FLOAT_32 and FLOAT_64 type constants in ffi

Author: watilde

doc/api/ffi.md

@@ -96,8 +96,8 @@ These type names are also exposed as constants on `ffi.types`:
 * `ffi.types.UINT_32` = `'uint32'`
 * `ffi.types.INT_64` = `'int64'`
 * `ffi.types.UINT_64` = `'uint64'`
-* `ffi.types.FLOAT_32` = `'float32'`
-* `ffi.types.FLOAT_64` = `'float64'`
+* `ffi.types.FLOAT_32` = `'f32'`
+* `ffi.types.FLOAT_64` = `'f64'`
 
 Pointer-like types (`pointer`, `string`, `buffer`, `arraybuffer`, and
 `function`) are all passed through the native layer as pointers.

lib/ffi.js

@@ -190,8 +190,8 @@ const types = ObjectFreeze({
   UINT_32: 'uint32',
   INT_64: 'int64',
   UINT_64: 'uint64',
-  FLOAT_32: 'float32',
-  FLOAT_64: 'float64',
+  FLOAT_32: 'f32',
+  FLOAT_64: 'f64',
 });
 
 

test/ffi/test-ffi-module.js

@@ -173,8 +173,8 @@ test('ffi.types exports canonical type constants', () => {
     UINT_32: 'uint32',
     INT_64: 'int64',
     UINT_64: 'uint64',
-    FLOAT_32: 'float32',
-    FLOAT_64: 'float64',
+    FLOAT_32: 'f32',
+    FLOAT_64: 'f64',
   };
 
   assert.deepStrictEqual(ffi.types, expected);