1--TEST-- 2bug #42143 (The constant NAN is reported as 0 on Windows build) 3--CREDITS-- 4Venkat Raman Don 5--FILE-- 6<?php 7echo "Testing NAN:\n"; 8echo "NAN= "; 9var_dump(NAN); 10var_dump(tan(-1) == 123); 11var_dump(cos(-100) == "PHP String"); 12var_dump(deg2rad(-5.6) == null); 13var_dump(sqrt(-0.1) == false); 14var_dump(sqrt(cos(M_PI)) == 0.1); 15var_dump(NAN); 16var_dump(is_nan(sqrt(-1.005)) == false); 17var_dump(is_nan(floor(1)) == true); 18var_dump(log10(-1) == log(-1)); 19var_dump(log10(-1) != log10(-1)); 20var_dump(is_finite(log10(-1)) == false); 21var_dump(NAN == NAN); 22?> 23--EXPECT-- 24Testing NAN: 25NAN= float(NAN) 26bool(false) 27bool(false) 28bool(false) 29bool(false) 30bool(false) 31float(NAN) 32bool(false) 33bool(false) 34bool(false) 35bool(true) 36bool(true) 37bool(false) 38
