1--TEST-- 2Test acos function : 64bit long tests 3--SKIPIF-- 4<?php 5if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); 6?> 7--FILE-- 8<?php 9 10define("MAX_64Bit", 9223372036854775807); 11define("MAX_32Bit", 2147483647); 12define("MIN_64Bit", -9223372036854775807 - 1); 13define("MIN_32Bit", -2147483647 - 1); 14 15$longVals = array( 16 MAX_64Bit, MIN_64Bit, MAX_32Bit, MIN_32Bit, MAX_64Bit - MAX_32Bit, MIN_64Bit - MIN_32Bit, 17 MAX_32Bit + 1, MIN_32Bit - 1, MAX_32Bit * 2, (MAX_32Bit * 2) + 1, (MAX_32Bit * 2) - 1, 18 MAX_64Bit -1, MAX_64Bit + 1, MIN_64Bit + 1, MIN_64Bit - 1 19); 20 21 22foreach ($longVals as $longVal) { 23 echo "--- testing: $longVal ---\n"; 24 var_dump(acos($longVal)); 25} 26 27?> 28--EXPECT-- 29--- testing: 9223372036854775807 --- 30float(NAN) 31--- testing: -9223372036854775808 --- 32float(NAN) 33--- testing: 2147483647 --- 34float(NAN) 35--- testing: -2147483648 --- 36float(NAN) 37--- testing: 9223372034707292160 --- 38float(NAN) 39--- testing: -9223372034707292160 --- 40float(NAN) 41--- testing: 2147483648 --- 42float(NAN) 43--- testing: -2147483649 --- 44float(NAN) 45--- testing: 4294967294 --- 46float(NAN) 47--- testing: 4294967295 --- 48float(NAN) 49--- testing: 4294967293 --- 50float(NAN) 51--- testing: 9223372036854775806 --- 52float(NAN) 53--- testing: 9.2233720368548E+18 --- 54float(NAN) 55--- testing: -9223372036854775807 --- 56float(NAN) 57--- testing: -9.2233720368548E+18 --- 58float(NAN) 59