refactor: modify C implementation to accept float

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---

Author: gunjjoshi

lib/node_modules/@stdlib/math/base/special/bernoullif/README.md

@@ -156,19 +156,19 @@ logEachMap( 'bernoullif(%d) = %0.4f', x, bernoullif );
 Computes the nth [Bernoulli number][bernoulli-number] as a single-precision floating-point number.
 
 ```c
-float out = stdlib_base_bernoullif( 0 );
+float out = stdlib_base_bernoullif( 0.0f );
 // returns 1.0f
 
-out = stdlib_base_bernoullif( 1 );
+out = stdlib_base_bernoullif( 1.0f );
 // returns 0.5f
 ```
 
 The function accepts the following arguments:
 
--   **n**: `[in] int32_t` input value.
+-   **n**: `[in] float` input value.
 
 ```c
-float stdlib_base_bernoullif( const int32_t n );
+float stdlib_base_bernoullif( const float n );
 ```
 
 </section>
@@ -192,15 +192,14 @@ float stdlib_base_bernoullif( const int32_t n );
 ```c
 #include "stdlib/math/base/special/bernoullif.h"
 #include <stdio.h>
-#include <stdint.h>
 
 int main( void ) {
-    int32_t i;
+    float i;
     float v;
 
-    for ( i = 0; i < 70; i++ ) {
+    for ( i = 0.0f; i < 70.0f; i++ ) {
         v = stdlib_base_bernoullif( i );
-        printf( "bernoullif(%d) = %f\n", i, v );
+        printf( "bernoullif(%f) = %f\n", i, v );
     }
 }
 ```

lib/node_modules/@stdlib/math/base/special/bernoullif/benchmark/c/native/benchmark.c

@@ -18,7 +18,6 @@
 
 #include "stdlib/math/base/special/bernoullif.h"
 #include <stdlib.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <math.h>
 #include <time.h>
@@ -103,7 +102,7 @@ static double benchmark( void ) {
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_bernoullif( (int32_t)( x[ i%100 ] ) );
+		y = stdlib_base_bernoullif( ( x[ i%100 ] ) );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/bernoullif/examples/c/example.c

@@ -18,14 +18,13 @@
 
 #include "stdlib/math/base/special/bernoullif.h"
 #include <stdio.h>
-#include <stdint.h>
 
 int main( void ) {
-	int32_t i;
+	float i;
 	float v;
 
-	for ( i = 0; i < 70; i++ ) {
+	for ( i = 0.0f; i < 70.0f; i++ ) {
 		v = stdlib_base_bernoullif( i );
-		printf( "bernoullif(%d) = %f\n", i, v );
+		printf( "bernoullif(%f) = %f\n", i, v );
 	}
 }

lib/node_modules/@stdlib/math/base/special/bernoullif/include/stdlib/math/base/special/bernoullif.h

@@ -19,8 +19,6 @@
 #ifndef STDLIB_MATH_BASE_SPECIAL_BERNOULLIF_H
 #define STDLIB_MATH_BASE_SPECIAL_BERNOULLIF_H
 
-#include <stdint.h>
-
 /*
 * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
 */
@@ -31,7 +29,7 @@ extern "C" {
 /**
 * Computes the nth Bernoulli number as a single-precision floating-point number.
 */
-float stdlib_base_bernoullif( const int32_t n );
+float stdlib_base_bernoullif( const float n );
 
 #ifdef __cplusplus
 }

lib/node_modules/@stdlib/math/base/special/bernoullif/manifest.json

@@ -38,7 +38,9 @@
       "dependencies": [
         "@stdlib/math/base/napi/unary",
         "@stdlib/constants/float32/ninf",
-        "@stdlib/constants/float32/pinf"
+        "@stdlib/constants/float32/pinf",
+        "@stdlib/math/base/assert/is-nonnegative-integerf",
+        "@stdlib/math/base/assert/is-oddf"
       ]
     },
     {
@@ -53,7 +55,9 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/constants/float32/ninf",
-        "@stdlib/constants/float32/pinf"
+        "@stdlib/constants/float32/pinf",
+        "@stdlib/math/base/assert/is-nonnegative-integerf",
+        "@stdlib/math/base/assert/is-oddf"
       ]
     },
     {
@@ -68,7 +72,9 @@
       "libpath": [],
       "dependencies": [
         "@stdlib/constants/float32/ninf",
-        "@stdlib/constants/float32/pinf"
+        "@stdlib/constants/float32/pinf",
+        "@stdlib/math/base/assert/is-nonnegative-integerf",
+        "@stdlib/math/base/assert/is-oddf"
       ]
     }
   ]

lib/node_modules/@stdlib/math/base/special/bernoullif/src/addon.c

@@ -19,4 +19,4 @@
 #include "stdlib/math/base/special/bernoullif.h"
 #include "stdlib/math/base/napi/unary.h"
 
-STDLIB_MATH_BASE_NAPI_MODULE_I_F( stdlib_base_bernoullif )
+STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_bernoullif )

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

@@ -16,10 +16,13 @@
 * limitations under the License.
 */
 
+#include "stdlib/math/base/assert/is_nonnegative_integerf.h"
+#include "stdlib/math/base/assert/is_oddf.h"
 #include "stdlib/math/base/special/bernoullif.h"
 #include "stdlib/constants/float32/ninf.h"
 #include "stdlib/constants/float32/pinf.h"
 #include <stdint.h>
+#include <stdlib.h>
 
 static const float bernoulli_value[ 33 ] = {
 	1.0f,
@@ -66,21 +69,21 @@ static const int32_t MAX_BERNOULLI = 64;
 * @return     output value
 *
 * @example
-* float out = stdlib_base_bernoullif( 0 );
+* float out = stdlib_base_bernoullif( 0.0f );
 * // returns 1.0f
 */
-float stdlib_base_bernoullif( const int32_t n ) {
-	if ( n < 0 ) {
+float stdlib_base_bernoullif( const float n ) {
+	if ( !stdlib_base_is_nonnegative_integerf( n ) ) {
 		return 0.0f / 0.0f; // NaN
 	}
 	if ( n == 1 ) {
 		return 0.5f;
 	}
-	if ( n & 1 ) {
+	if ( stdlib_base_is_oddf( n ) ) {
 		return 0.0f;
 	}
 	if ( n > MAX_BERNOULLI ) {
-		return ( ( n / 2 ) & 1 ) ? STDLIB_CONSTANT_FLOAT32_PINF : STDLIB_CONSTANT_FLOAT32_NINF;
+		return ( (size_t)( n / 2 ) & 1 ) ? STDLIB_CONSTANT_FLOAT32_PINF : STDLIB_CONSTANT_FLOAT32_NINF;
 	}
-	return bernoulli_value[ n / 2 ];
+	return bernoulli_value[ (size_t)( n / 2 ) ];
 }