chore: update main.c

Author: Neerajpathak07

lib/node_modules/@stdlib/math/base/special/atan2f/lib/main.js

@@ -58,6 +58,7 @@
 var isinfinitef = require( '@stdlib/math/base/assert/is-infinitef' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var copysignf = require( '@stdlib/math/base/special/copysignf' );
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
 var atanf = require( '@stdlib/math/base/special/atanf' );
 var signbitf = require( '@stdlib/number/float32/base/signbit' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
@@ -120,18 +121,15 @@ function atan2f( y, x ) {
 			}
 			return copysignf( 0.0, y );
 		}
-		// Case: -x = y = +infinity
-		if ( x === NINF && y === PINF ) {
+	}
+	// Case: x is -Infinity
+	if ( x === NINF ) {
+		if ( y === PINF ) {
 			return 3.0 * PI04F; // 3π/4
 		}
-		// Case: x = y = -infinity
-		if ( x === NINF && y === NINF ) {
+		if ( y === NINF ) {
 			return -3.0 * PI04F; // -3π/4
 		}
-		// Case: x is -Infinity
-		if ( isinfinitef( y ) ) {
-			return copysignf( 3.0*PI04F, y );
-		}
 		return copysignf( PI, y );
 	}
 	if ( isinfinitef( y ) ) {

lib/node_modules/@stdlib/math/base/special/atan2f/src/main.c

@@ -38,6 +38,7 @@
 #include "stdlib/constants/float32/half_pi.h"
 #include "stdlib/constants/float32/fourth_pi.h"
 #include "stdlib/constants/float32/pinf.h"
+#include "stdlib/constants/float32/ninf.h"
 #include "stdlib/constants/float32/pi.h"
 #include <stdint.h>
 
@@ -95,10 +96,15 @@ float stdlib_base_atan2f( const float y, const float x ) {
 			return stdlib_base_copysignf( 0.0f, y );
 		}
 		// Case: x is -Infinity
-		if ( stdlib_base_is_infinitef( y ) ) {
-			return stdlib_base_copysignf( 3.0f * STDLIB_CONSTANT_FLOAT32_FOURTH_PI, y );
+		if ( x == STDLIB_CONSTANT_FLOAT32_NINF ) {
+			if ( y == STDLIB_CONSTANT_FLOAT32_PINF ) {
+				return 3.0f * STDLIB_CONSTANT_FLOAT32_FOURTH_PI; // 3π/4
+			}
+			if ( y == STDLIB_CONSTANT_FLOAT32_NINF ) {
+				return -3.0f * STDLIB_CONSTANT_FLOAT32_FOURTH_PI; // -3π/4
+			}
+			return stdlib_base_copysignf( STDLIB_CONSTANT_FLOAT32_PI, y );
 		}
-		return stdlib_base_copysignf( STDLIB_CONSTANT_FLOAT32_PI, y );
 	}
 	if ( stdlib_base_is_infinitef( y ) ) {
 		return stdlib_base_copysignf( STDLIB_CONSTANT_FLOAT32_HALF_PI, y );

lib/node_modules/@stdlib/math/base/special/atan2f/test/test.native.js

@@ -188,7 +188,7 @@ tape( 'the function evaluates the `atan2f` function (when x and y are positive)'
 	for ( i = 0; i < x.length; i++ ) {
 		actual = atan2f( y[i], x[i] );
 		delta = absf( actual - expected[i] );
-		tol = 2.0 * EPS * absf( expected[i] );
+		tol = 1.0 * EPS * absf( expected[i] );
 		t.equal( delta <= tol, true, 'within tolerance. y: '+y[i]+'. x: '+x[i]+'. Actual: '+actual+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 	}
 	t.end();