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include/stdlib/math/base/assert | ||
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README.md |
isNegativeZero
Test if a double-precision floating-point numeric value is negative zero.
Usage
var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
isNegativeZero( x )
Tests if a double-precision floating-point numeric
value is negative zero.
var bool = isNegativeZero( -0.0 );
// returns true
bool = isNegativeZero( 0.0 );
// returns false
Examples
var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
var bool = isNegativeZero( -0.0 );
// returns true
bool = isNegativeZero( 0.0 );
// returns false
bool = isNegativeZero( 5.0 );
// returns false
bool = isNegativeZero( -1.0 );
// returns false
bool = isNegativeZero( NaN );
// returns false