refactor: use explicit float32 casting in math/base/special/fast/absf

PR-URL: #8074
Co-authored-by: Athan Reines <[email protected]>
Reviewed-by: Athan Reines <[email protected]>

Author: nakul-krishnakumar

lib/node_modules/@stdlib/math/base/special/fast/absf/lib/main.js

@@ -18,6 +18,16 @@
 
 'use strict';
 
+// MODULES //
+
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
+
+
+// VARIABLES //
+
+var ZERO = f32( 0.0 );
+
+
 // MAIN //
 
 /**
@@ -47,8 +57,9 @@
 * // returns NaN
 */
 function absf( x ) {
-	if ( x < 0.0 ) {
-		return -x;
+	x = f32( x );
+	if ( x < ZERO ) {
+		return f32( -x );
 	}
 	return x;
 }

lib/node_modules/@stdlib/math/base/special/fast/absf/test/test.js

@@ -21,6 +21,7 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
 var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
@@ -37,14 +38,14 @@ tape( 'main export is a function', function test( t ) {
 });
 
 tape( 'the function computes the absolute value of a number', function test( t ) {
-	t.strictEqual( absf( -2.0 ), 2.0, 'returns expected value' );
-	t.strictEqual( absf( 3.0 ), 3.0, 'returns expected value' );
-	t.strictEqual( absf( 0.0 ), 0.0, 'returns expected value' );
+	t.strictEqual( absf( f32( -2.0 ) ), f32( 2.0 ), 'returns expected value' );
+	t.strictEqual( absf( f32( 3.0 ) ), f32( 3.0 ), 'returns expected value' );
+	t.strictEqual( absf( f32( 0.0 ) ), f32( 0.0 ), 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `-0` if provided `-0` (not IEEE 754 compliant)', function test( t ) {
-	t.strictEqual( isNegativeZerof( absf( -0.0 ) ), true, 'returns expected value' );
+	t.strictEqual( isNegativeZerof( absf( f32( -0.0 ) ) ), true, 'returns expected value' );
 	t.end();
 });
 

lib/node_modules/@stdlib/math/base/special/fast/absf/test/test.native.js

@@ -22,6 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
 var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
@@ -46,14 +47,14 @@ tape( 'main export is a function', opts, function test( t ) {
 });
 
 tape( 'the function computes the absolute value of a number', opts, function test( t ) {
-	t.strictEqual( absf( -2.0 ), 2.0, 'returns expected value' );
-	t.strictEqual( absf( 3.0 ), 3.0, 'returns expected value' );
-	t.strictEqual( absf( 0.0 ), 0.0, 'returns expected value' );
+	t.strictEqual( absf( f32( -2.0 ) ), f32( 2.0 ), 'returns expected value' );
+	t.strictEqual( absf( f32( 3.0 ) ), f32( 3.0 ), 'returns expected value' );
+	t.strictEqual( absf( f32( 0.0 ) ), f32( 0.0 ), 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `-0` if provided `-0` (not IEEE 754 compliant)', opts, function test( t ) {
-	t.strictEqual( isNegativeZerof( absf( -0.0 ) ), true, 'returns expected value' );
+	t.strictEqual( isNegativeZerof( absf( f32( -0.0 ) ) ), true, 'returns expected value' );
 	t.end();
 });