testFloatingPoint.js (5462B)
1 load(libdir + "asm.js"); 2 3 assertEq(asmLink(asmCompile(USE_ASM + "function f() { return 1.1 } return f"))(), 1.1); 4 assertEq(asmLink(asmCompile(USE_ASM + "function f(i) { i=i|0; return +(+(i|0) + .1) } return f"))(1), 1.1); 5 assertEq(asmLink(asmCompile(USE_ASM + "function f(d) { d=+d; return +d } return f"))(1.1), 1.1); 6 assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d+e) } return f"))(1.0, .1), 1.1); 7 assertEq(asmLink(asmCompile(USE_ASM + "function f(i,e) { i=i|0;e=+e; return +(+~~i+e) } return f"))(1, .1), 1.1); 8 assertEq(asmLink(asmCompile(USE_ASM + "function f(d,i) { d=+d;i=i|0; return +(d + +(i|0)) } return f"))(.1, 1), 1.1); 9 assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d-e) } return f"))(1.1, .8), (1.1-.8)); 10 assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d*e) } return f"))(1.1, 2.2), (1.1*2.2)); 11 assertEq(asmLink(asmCompile(USE_ASM + "function g() { var i=2; return (~~(i=(i+1)|0))|0 } return g"))(), 3); 12 13 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d<e)|0 } return f")); 14 assertEq(f(1.1, 2.2), 1); 15 assertEq(f(1.1, 1.1), 0); 16 assertEq(f(2.1, 1.1), 0); 17 18 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d<=e)|0 } return f")); 19 assertEq(f(1.1, 2.2), 1); 20 assertEq(f(1.1, 1.1), 1); 21 assertEq(f(2.1, 1.1), 0); 22 assertEq(f(NaN, 1.1), 0); 23 assertEq(f(1.1, NaN), 0); 24 assertEq(f(NaN, NaN), 0); 25 26 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d>e)|0 } return f")); 27 assertEq(f(2.1, 1.1), 1); 28 assertEq(f(1.1, 1.1), 0); 29 assertEq(f(1.1, 2.1), 0); 30 assertEq(f(NaN, 1.1), 0); 31 assertEq(f(1.1, NaN), 0); 32 assertEq(f(NaN, NaN), 0); 33 34 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d>=e)|0 } return f")); 35 assertEq(f(2.1, 1.1), 1); 36 assertEq(f(1.0, 1.1), 0); 37 assertEq(f(1.1, 2.1), 0); 38 assertEq(f(NaN, 1.1), 0); 39 assertEq(f(1.1, NaN), 0); 40 assertEq(f(NaN, NaN), 0); 41 42 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d==e)|0 } return f")); 43 assertEq(f(2.1, 1.1), 0); 44 assertEq(f(1.1, 1.1), 1); 45 assertEq(f(1.1, 2.1), 0); 46 assertEq(f(NaN, 1.1), 0); 47 assertEq(f(1.1, NaN), 0); 48 assertEq(f(NaN, NaN), 0); 49 50 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d!=e)|0 } return f")); 51 assertEq(f(2.1, 1.1), 1); 52 assertEq(f(1.1, 1.1), 0); 53 assertEq(f(1.1, 2.1), 1); 54 assertEq(f(NaN, 1.1), 1); 55 assertEq(f(1.1, NaN), 1); 56 assertEq(f(NaN, NaN), 1); 57 58 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d/e) } return f")); 59 assertEq(f(1.1, .1), (1.1/.1)); 60 assertEq(f(1.1, 0), (1.1/0)); 61 assertEq(f(1.1, -0), (1.1/-0)); 62 63 var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d%e) } return f")); 64 assertEq(f(1.1, .1), (1.1%.1)); 65 assertEq(f(1.1, 0), (1.1%0)); 66 assertEq(f(1.1, -0), (1.1%-0)); 67 68 var f = asmLink(asmCompile(USE_ASM + "function f(d) { d=+d; var i = 0; i = ~~d; return i|0 } return f")); 69 assertEq(f(1.0), 1); 70 assertEq(f(1.9), 1); 71 assertEq(f(1.9999), 1); 72 assertEq(f(2.0), 2); 73 assertEq(f(Math.pow(2,40)), ~~Math.pow(2,40)); 74 assertEq(f(-Math.pow(2,40)), ~~-Math.pow(2,40)); 75 assertEq(f(4000000000), ~~4000000000); 76 assertEq(f(-4000000000), ~~-4000000000); 77 assertEq(f(NaN), 0); 78 assertEq(f(Infinity), 0); 79 assertEq(f(-Infinity), 0); 80 81 assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +((i|0)/(j|0)) } return f"); 82 assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(i+j) } return f"); 83 assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(i-j) } return f"); 84 85 var f = asmLink(asmCompile(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(((i|0)/(j|0))|0) } return f")); 86 assertEq(f(1,0), 0); 87 assertEq(f(-Math.pow(2,31),-1), -Math.pow(2,31)); 88 89 var f = asmLink(asmCompile(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(((i|0)%(j|0))|0) } return f")); 90 assertEq(f(1,0), 0); 91 assertEq(f(-Math.pow(2,31),-1), 0); 92 93 var {f,g} = asmLink(asmCompile(USE_ASM + "function f() { return 3.5 } function g(d) { d=+d; return +(d+3.5) } return {f:f,g:g}")); 94 assertEq(f(), 3.5); 95 assertEq(g(1), 1+3.5); 96 97 var buf = new ArrayBuffer(BUF_MIN); 98 var f64 = new Float64Array(buf); 99 var i32 = new Int32Array(buf); 100 var u32 = new Uint32Array(buf); 101 var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[0] } return f'), this, null, buf); 102 f64[0] = 0; 103 assertEq(f(), 0); 104 f64[0] = -1; 105 assertEq(f(), -1); 106 f64[0] = 1; 107 assertEq(f(), 1); 108 f64[0] = Infinity; 109 assertEq(f(), Infinity); 110 f64[0] = -Infinity; 111 assertEq(f(), -Infinity); 112 113 function ffi(d) { str = String(d) } 114 var g = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'var ffi=imp.ffi; function g() { ffi(+f64[0]) } return g'), this, {ffi:ffi}, buf); 115 var h = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function g() { return +(+f64[0] < 0.0 ? -+f64[0] : +f64[0]) } return g'), this, null, buf) 116 117 function ffi1() { return 2.6 } 118 assertEq(asmLink(asmCompile('glob', 'imp', USE_ASM + "var ffi1=imp.ffi1; function g() { var i=0,j=0.0; i=ffi1()|0; j=+ffi1(); return +(+(i|0)+j) } return g"), null, {ffi1:ffi1})(), 2+2.6); 119 120 // that sounds dangerous! 121 var a = [0,1,0xffff0000,0x7fff0000,0xfff80000,0x7ff80000,0xfffc0000,0x7ffc0000,0xffffffff,0x0000ffff,0x00008fff7]; 122 for (i of a) { 123 for (j of a) { 124 u32[0] = i; 125 u32[1] = j; 126 127 assertEq(f(), f64[0]); 128 129 g(); 130 assertEq(str, String(f64[0])); 131 132 assertEq(h(), Math.abs(f64[0])); 133 } 134 }