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bench: replace stack allocation with dynamic allocation #7317

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24 changes: 22 additions & 2 deletions lib/node_modules/@stdlib/math/strided/special/dfloor/benchmark/c/benchmark.length.c
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Original file line number Diff line number Diff line change
Expand Up @@ -114,11 +114,24 @@ float rand_uniformf( float a, float b ) {
*/
static double benchmark( int iterations, int len ) {
double elapsed;
double x[ len ];
double y[ len ];
double *x;
double *y;
double t;
int i;

// Allocate memory dynamically to avoid stack overflow
x = malloc( len * sizeof(double) );
if ( x == NULL ) {
printf( "Error: failed to allocate memory for x array\n" );
return -1.0;
}
y = malloc( len * sizeof(double) );
if ( y == NULL ) {
printf( "Error: failed to allocate memory for y array\n" );
free( x );
return -1.0;
}

for ( i = 0; i < len; i++ ) {
x[ i ] = rand_uniform( -10.0, 10.0 );
y[ i ] = 0.0;
Expand All @@ -136,6 +149,9 @@ static double benchmark( int iterations, int len ) {
if ( y[ 0 ] != y[ 0 ] ) {
printf( "should not return NaN\n" );
}
// Free allocated memory
free( x );
free( y );
return elapsed;
}

Expand All @@ -162,6 +178,10 @@ int main( void ) {
count += 1;
printf( "# c::%s:len=%d\n", NAME, len );
elapsed = benchmark( iter, len );
if ( elapsed < 0.0 ) {
printf( "not ok %d benchmark failed - memory allocation error\n", count );
continue;
}
print_results( iter, elapsed );
printf( "ok %d benchmark finished\n", count );
}
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