Example: Rounds x downward (double)

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public static int main (string[] args) {
	// Output:
	//	``floor (3.1) = 3.0``
	//	``floor (3.9) = 3.0``
	print ("floor (%.1lf) = %.1lf\n", 3.1, Math.floor (3.1));
	print ("floor (%.1lf) = %.1lf\n", 3.9, Math.floor (3.9));
	return 0;
}

 valac --pkg glib-2.0 -X -lm GLib.Math.floor.vala

See:

• GLib.Math.floor

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