chore: added isnanf

Signed-off-by: JoyBoy <[email protected]>

Author: 0PrashantYadav0

lib/node_modules/@stdlib/blas/ext/base/wasm/sapxsumkbn/test/test.ndarray.js

@@ -22,6 +22,7 @@
 
 var tape = require( 'tape' );
 var Float32Array = require( '@stdlib/array/float32' );
+var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var sapxsumkbn = require( './../lib' );