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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,11 @@
"@stdlib/math/base/special/sqrt",
"@stdlib/math/base/special/floor",
"@stdlib/constants/float64/max-safe-integer",
"@stdlib/math/base/special/fmod"
"@stdlib/math/base/special/fmod",
"@stdlib/napi/export",
"@stdlib/napi/argv",
"@stdlib/napi/argv-double",
"@stdlib/napi/create-int32"
]
},
{
Expand Down
65 changes: 9 additions & 56 deletions lib/node_modules/@stdlib/math/base/assert/is-prime/src/addon.c
Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,12 @@
*/

#include "stdlib/math/base/assert/is_prime.h"
#include "stdlib/napi/argv.h"
#include "stdlib/napi/argv_double.h"
#include "stdlib/napi/create_int32.h"
#include "stdlib/napi/export.h"
#include <node_api.h>
#include <stdint.h>
#include <stdbool.h>
#include <assert.h>

/**
* Receives JavaScript callback invocation data.
Expand All @@ -30,60 +32,11 @@
* @return Node-API value
*/
static napi_value addon( napi_env env, napi_callback_info info ) {
napi_status status;

// Get callback arguments:
size_t argc = 1;
napi_value argv[ 1 ];
status = napi_get_cb_info( env, info, &argc, argv, NULL, NULL );
assert( status == napi_ok );

// Check whether we were provided the correct number of arguments:
if ( argc < 1 ) {
status = napi_throw_error( env, NULL, "invalid invocation. Insufficient arguments." );
assert( status == napi_ok );
return NULL;
}
if ( argc > 1 ) {
status = napi_throw_error( env, NULL, "invalid invocation. Too many arguments." );
assert( status == napi_ok );
return NULL;
}

napi_valuetype vtype0;
status = napi_typeof( env, argv[ 0 ], &vtype0 );
assert( status == napi_ok );
if ( vtype0 != napi_number ) {
status = napi_throw_type_error( env, NULL, "invalid argument. First argument must be a number." );
assert( status == napi_ok );
return NULL;
}

double x;
status = napi_get_value_double( env, argv[ 0 ], &x );
assert( status == napi_ok );

bool result = stdlib_base_is_prime( x );

napi_value v;
status = napi_create_int32( env, (int32_t)result, &v );
assert( status == napi_ok );

return v;
STDLIB_NAPI_ARGV( env, info, argv, argc, 1 );
STDLIB_NAPI_ARGV_DOUBLE( env, x, argv, 0 );
STDLIB_NAPI_CREATE_INT32( env, (int32_t)stdlib_base_is_prime( x ), out );
return out;
}

/**
* Initializes a Node-API module.
*
* @param env environment under which the function is invoked
* @param exports exports object
* @return main export
*/
static napi_value init( napi_env env, napi_value exports ) {
napi_value fcn;
napi_status status = napi_create_function( env, "exports", NAPI_AUTO_LENGTH, addon, NULL, &fcn );
assert( status == napi_ok );
return fcn;
}
STDLIB_NAPI_MODULE_EXPORT_FCN( addon )

NAPI_MODULE( NODE_GYP_MODULE_NAME, init )
18 changes: 9 additions & 9 deletions lib/node_modules/@stdlib/math/base/assert/is-prime/test/test.js
Original file line number Diff line number Diff line change
Expand Up @@ -49,14 +49,14 @@ tape( 'the function returns `true` if provided a prime number', function test( t
M = 2e4;
for ( i = 0; i < M; i++ ) {
v = PRIMES[ i ];
t.equal( isPrime( v ), true, 'returns true when provided '+v );
t.equal( isPrime( v ), true, 'returns expected value when provided '+v );
}
// Randomly test prime numbers chosen from the remainder of the list of known prime numbers...
N = PRIMES.length - 1;
for ( i = 0; i < 1e3; i++ ) {
j = discreteUniform( M, N );
v = PRIMES[ j ];
t.equal( isPrime( v ), true, 'returns true when provided '+v );
t.equal( isPrime( v ), true, 'returns expected value when provided '+v );
}
t.end();
});
Expand All @@ -72,30 +72,30 @@ tape( 'the function returns `false` if provided a composite number', function te
N = PRIMES.length;
hash = {};
for ( i = 0; i < N; i++ ) {
hash[ PRIMES[i] ] = true;
hash[ PRIMES[ i ] ] = true;
}
// Only test odd integers, as even integers are trivially composite...
M = 2e5;
for ( i = 3; i < M; i += 2 ) {
if ( hash[ i ] ) {
continue;
}
t.equal( isPrime( i ), false, 'returns false when provided '+i );
t.equal( isPrime( i ), false, 'returns expected value when provided '+i );
}
// Generate random composite integers...
MAX = PRIMES[ N-1 ];
for ( i = 0; i < 1e3; i++ ) {
// Generate an odd integer...
j = discreteUniform( trunc( M/2 ), trunc( MAX/2 ) );
j = (2*j) + 1;
j = discreteUniform( trunc( M / 2 ), trunc( MAX / 2 ) );
j = ( 2 * j ) + 1;

// Check if the generated integer is a known prime number...
if ( hash[ j ] ) {
// Repeat iteration...
i -= 1;
continue;
}
t.equal( isPrime( j ), false, 'returns false when provided '+j );
t.equal( isPrime( j ), false, 'returns expected value when provided '+j );
}
t.end();
});
Expand All @@ -104,9 +104,9 @@ tape( 'the function returns `false` if not provided a positive integer', functio
var v;
var i;
for ( i = 0; i < 100; i++ ) {
v = ( randu()*100.0 ) - 50.0;
v = ( randu() * 100.0 ) - 50.0;
if ( trunc(v) !== v ) {
t.equal( isPrime( v ), false, 'returns false when provided '+v );
t.equal( isPrime( v ), false, 'returns expected value when provided '+v );
}
}
t.end();
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -58,14 +58,14 @@ tape( 'the function returns `true` if provided a prime number', opts, function t
M = 2e4;
for ( i = 0; i < M; i++ ) {
v = PRIMES[ i ];
t.equal( isPrime( v ), true, 'returns true when provided '+v );
t.equal( isPrime( v ), true, 'returns expected value when provided '+v );
}
// Randomly test prime numbers chosen from the remainder of the list of known prime numbers...
N = PRIMES.length - 1;
for ( i = 0; i < 1e3; i++ ) {
j = discreteUniform( M, N );
v = PRIMES[ j ];
t.equal( isPrime( v ), true, 'returns true when provided '+v );
t.equal( isPrime( v ), true, 'returns expected value when provided '+v );
}
t.end();
});
Expand All @@ -81,30 +81,30 @@ tape( 'the function returns `false` if provided a composite number', opts, funct
N = PRIMES.length;
hash = {};
for ( i = 0; i < N; i++ ) {
hash[ PRIMES[i] ] = true;
hash[ PRIMES[ i ] ] = true;
}
// Only test odd integers, as even integers are trivially composite...
M = 2e5;
for ( i = 3; i < M; i += 2 ) {
if ( hash[ i ] ) {
continue;
}
t.equal( isPrime( i ), false, 'returns false when provided '+i );
t.equal( isPrime( i ), false, 'returns expected value when provided '+i );
}
// Generate random composite integers...
MAX = PRIMES[ N-1 ];
for ( i = 0; i < 1e3; i++ ) {
// Generate an odd integer...
j = discreteUniform( trunc( M/2 ), trunc( MAX/2 ) );
j = (2*j) + 1;
j = discreteUniform( trunc( M / 2 ), trunc( MAX / 2 ) );
j = ( 2 * j ) + 1;

// Check if the generated integer is a known prime number...
if ( hash[ j ] ) {
// Repeat iteration...
i -= 1;
continue;
}
t.equal( isPrime( j ), false, 'returns false when provided '+j );
t.equal( isPrime( j ), false, 'returns expected value when provided '+j );
}
t.end();
});
Expand All @@ -113,9 +113,9 @@ tape( 'the function returns `false` if not provided a positive integer', opts, f
var v;
var i;
for ( i = 0; i < 100; i++ ) {
v = ( randu()*100.0 ) - 50.0;
v = ( randu() * 100.0 ) - 50.0;
if ( trunc(v) !== v ) {
t.equal( isPrime( v ), false, 'returns false when provided '+v );
t.equal( isPrime( v ), false, 'returns expected value when provided '+v );
}
}
t.end();
Expand Down
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