chore: apply f32 emulation to return statements

---
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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/tanf/lib/main.js

@@ -126,7 +126,7 @@ function tanf( x ) {
 		if ( ix < SMALL_WORD ) {
 			return f32( x );
 		}
-		return kernelTanf( x, 1 );
+		return f32( kernelTanf( x, 1 ) );
 	}
 	// Case: |x| ~<= 5π/4
 	if ( ix <= FIVE_PIO4_WORD ) {
@@ -162,7 +162,7 @@ function tanf( x ) {
 	}
 	// Argument reduction...
 	n = rempio2f( f32( x ), Y );
-	return kernelTanf( Y[ 0 ], 1 - ( ( n & 1 ) << 1 ) );
+	return f32( kernelTanf( Y[ 0 ], 1 - ( ( n & 1 ) << 1 ) ) );
 }