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v8/test/mjsunit/wasm/asm-wasm-stdlib.js

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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm
(function TestStdlibConstants() {
function Module(stdlib) {
"use asm";
var StdlibInfinity = stdlib.Infinity;
var StdlibNaN = stdlib.NaN;
var StdlibMathE = stdlib.Math.E;
var StdlibMathLN10 = stdlib.Math.LN10;
var StdlibMathLN2 = stdlib.Math.LN2;
var StdlibMathLOG2E = stdlib.Math.LOG2E;
var StdlibMathLOG10E = stdlib.Math.LOG10E;
var StdlibMathPI = stdlib.Math.PI;
var StdlibMathSQRT1_2 = stdlib.Math.SQRT1_2;
var StdlibMathSQRT2 = stdlib.Math.SQRT2;
function caller() {
if (StdlibInfinity != 1.0 / 0.0) return 0;
if (StdlibMathE != 2.718281828459045) return 0;
if (StdlibMathLN10 != 2.302585092994046) return 0;
if (StdlibMathLN2 != 0.6931471805599453) return 0;
if (StdlibMathLOG2E != 1.4426950408889634) return 0;
if (StdlibMathLOG10E != 0.4342944819032518) return 0;
if (StdlibMathPI != 3.141592653589793) return 0;
if (StdlibMathSQRT1_2 != 0.7071067811865476) return 0;
if (StdlibMathSQRT2 != 1.4142135623730951) return 0;
return 1;
}
function nanCheck() {
return +StdlibNaN;
}
return {caller:caller, nanCheck:nanCheck};
}
var m =Wasm.instantiateModuleFromAsm(Module.toString());
assertEquals(1, m.caller());
assertTrue(isNaN(m.nanCheck()));
})();
(function TestStdlibFunctionsInside() {
function Module(stdlib) {
"use asm";
var StdlibMathCeil = stdlib.Math.ceil;
var StdlibMathClz32 = stdlib.Math.clz32;
var StdlibMathFloor = stdlib.Math.floor;
var StdlibMathSqrt = stdlib.Math.sqrt;
var StdlibMathAbs = stdlib.Math.abs;
var StdlibMathMin = stdlib.Math.min;
var StdlibMathMax = stdlib.Math.max;
var StdlibMathAcos = stdlib.Math.acos;
var StdlibMathAsin = stdlib.Math.asin;
var StdlibMathAtan = stdlib.Math.atan;
var StdlibMathCos = stdlib.Math.cos;
var StdlibMathSin = stdlib.Math.sin;
var StdlibMathTan = stdlib.Math.tan;
var StdlibMathExp = stdlib.Math.exp;
var StdlibMathLog = stdlib.Math.log;
var StdlibMathAtan2 = stdlib.Math.atan2;
var StdlibMathPow = stdlib.Math.pow;
var StdlibMathImul = stdlib.Math.imul;
var fround = stdlib.Math.fround;
function deltaEqual(x, y) {
x = +x;
y = +y;
var t = 0.0;
t = x - y;
if (t < 0.0) {
t = t * -1.0;
}
return (t < 1.0e-13) | 0;
}
function caller() {
if (!(deltaEqual(+StdlibMathSqrt(123.0), 11.090536506409418)|0)) return 0;
if (fround(StdlibMathSqrt(fround(256.0))) != fround(16.0)) return 0;
if (+StdlibMathCeil(123.7) != 124.0) return 0;
if (fround(StdlibMathCeil(fround(123.7))) != fround(124.0)) return 0;
if (+StdlibMathFloor(123.7) != 123.0) return 0;
if (fround(StdlibMathFloor(fround(123.7))) != fround(123.0)) return 0;
if (+StdlibMathAbs(-123.0) != 123.0) return 0;
if (fround(StdlibMathAbs(fround(-123.0))) != fround(123.0)) return 0;
if (+StdlibMathMin(123.4, 1236.4) != 123.4) return 0;
if (fround(StdlibMathMin(fround(123.4),
fround(1236.4))) != fround(123.4)) return 0;
if (+StdlibMathMax(123.4, 1236.4) != 1236.4) return 0;
if (fround(StdlibMathMax(fround(123.4), fround(1236.4)))
!= fround(1236.4)) return 0;
if (!(deltaEqual(+StdlibMathAcos(0.1), 1.4706289056333368)|0)) return 0;
if (!(deltaEqual(+StdlibMathAsin(0.2), 0.2013579207903308)|0)) return 0;
if (!(deltaEqual(+StdlibMathAtan(0.2), 0.19739555984988078)|0)) return 0;
if (!(deltaEqual(+StdlibMathCos(0.2), 0.9800665778412416)|0)) return 0;
if (!(deltaEqual(+StdlibMathSin(0.2), 0.19866933079506122)|0)) return 0;
if (!(deltaEqual(+StdlibMathTan(0.2), 0.20271003550867250)|0)) return 0;
if (!(deltaEqual(+StdlibMathExp(0.2), 1.2214027581601699)|0)) return 0;
if (!(deltaEqual(+StdlibMathLog(0.2), -1.6094379124341003)|0)) return 0;
if ((StdlibMathClz32(134217728)|0) != 4) return 0;
if ((StdlibMathImul(6, 7)|0) != 42) return 0;
if (!(deltaEqual(+StdlibMathAtan2(6.0, 7.0), 0.7086262721276703)|0))
return 0;
if (+StdlibMathPow(6.0, 7.0) != 279936.0) return 0;
return 1;
}
return {caller:caller};
}
var m = Wasm.instantiateModuleFromAsm(Module.toString());
assertEquals(1, m.caller());
})();
(function TestStdlibFunctionOutside() {
function looseEqual(x, y, delta) {
if (delta === undefined) {
delta = 1.0e-10;
}
if (isNaN(x) && isNaN(y)) {
return true;
}
if (!isFinite(x) && !isFinite(y)) {
return true;
}
x = +x;
y = +y;
var t = 0.0;
t = x - y;
if (t < 0.0) {
t = t * -1.0;
}
return (t < delta) | 0;
}
function plainEqual(x, y) {
if (isNaN(x) && isNaN(y)) {
return true;
}
return x === y;
}
function Module(stdlib) {
"use asm";
var ceil = stdlib.Math.ceil;
var floor = stdlib.Math.floor;
var sqrt = stdlib.Math.sqrt;
var abs = stdlib.Math.abs;
var fround = stdlib.Math.fround;
var fround2 = stdlib.Math.fround;
var acos = stdlib.Math.acos;
var asin = stdlib.Math.asin;
var atan = stdlib.Math.atan;
var cos = stdlib.Math.cos;
var sin = stdlib.Math.sin;
var tan = stdlib.Math.tan;
var exp = stdlib.Math.exp;
var log = stdlib.Math.log;
var atan2 = stdlib.Math.atan2;
var pow = stdlib.Math.pow;
var imul = stdlib.Math.imul;
var min = stdlib.Math.min;
var max = stdlib.Math.max;
function ceil_f64(x) { x = +x; return +ceil(x); }
function ceil_f32(x) { x = fround(x); return fround(ceil(x)); }
function floor_f64(x) { x = +x; return +floor(x); }
function floor_f32(x) { x = fround(x); return fround(floor(x)); }
function sqrt_f64(x) { x = +x; return +sqrt(x); }
function sqrt_f32(x) { x = fround(x); return fround(sqrt(x)); }
function abs_f64(x) { x = +x; return +abs(x); }
function abs_f32(x) { x = fround(x); return fround(abs(x)); }
function abs_i32(x) { x = x | 0; return abs(x|0) | 0; }
function acos_f64(x) { x = +x; return +acos(x); }
function asin_f64(x) { x = +x; return +asin(x); }
function atan_f64(x) { x = +x; return +atan(x); }
function cos_f64(x) { x = +x; return +cos(x); }
function sin_f64(x) { x = +x; return +sin(x); }
function tan_f64(x) { x = +x; return +tan(x); }
function exp_f64(x) { x = +x; return +exp(x); }
function log_f64(x) { x = +x; return +log(x); }
function atan2_f64(x, y) { x = +x; y = +y; return +atan2(x, y); }
function pow_f64(x, y) { x = +x; y = +y; return +atan2(x, y); }
function imul_i32(x, y) { x = x | 0; y = y | 0; return imul(x, y) | 0; }
function imul_u32(x, y) {
x = x | 0; y = y | 0; return imul(x>>>0, y>>>0) | 0; }
// type -> f32
function fround_i32(x) { x = x | 0; return fround(x|0); }
function fround_u32(x) { x = x | 0; return fround(x>>>0); }
function fround_f32(x) { x = fround(x); return fround(x); }
function fround_f64(x) { x = +x; return fround(x); }
// type -> f32 -> type
function fround2_i32(x) { x = x | 0; return ~~fround2(x|0) | 0; }
function fround2_u32(x) { x = x | 0; return ~~fround2(x>>>0) | 0; }
function fround2_f32(x) { x = fround2(x); return fround2(x); }
function fround2_f64(x) { x = +x; return +fround2(x); }
function min_i32(x, y) { x = x | 0; y = y | 0; return min(x|0, y|0) | 0; }
function min_f32(x, y) {
x = fround(x); y = fround(y); return fround(min(x, y)); }
function min_f64(x, y) { x = +x; y = +y; return +min(x, y); }
function max_i32(x, y) { x = x | 0; y = y | 0; return max(x|0, y|0) | 0; }
function max_f32(x, y) {
x = fround(x); y = fround(y); return fround(max(x, y)); }
function max_f64(x, y) { x = +x; y = +y; return +max(x, y); }
return {
ceil_f64: ceil_f64,
ceil_f32: ceil_f32,
floor_f64: floor_f64,
floor_f32: floor_f32,
sqrt_f64: sqrt_f64,
sqrt_f32: sqrt_f32,
abs_f64: abs_f64,
abs_f32: abs_f32,
abs_i32: abs_i32,
acos_f64: acos_f64,
asin_f64: asin_f64,
atan_f64: atan_f64,
cos_f64: cos_f64,
sin_f64: sin_f64,
tan_f64: tan_f64,
exp_f64: exp_f64,
log_f64: log_f64,
imul_i32: imul_i32,
imul_u32: imul_u32,
fround_i32: fround_i32,
fround_u32: fround_u32,
fround_f32: fround_f32,
fround_f64: fround_f64,
fround2_i32: fround2_i32,
fround2_u32: fround2_u32,
fround2_f32: fround2_f32,
fround2_f64: fround2_f64,
min_i32: min_i32,
min_f32: min_f32,
min_f64: min_f64,
max_i32: max_i32,
max_f32: max_f32,
max_f64: max_f64,
};
}
var m = Wasm.instantiateModuleFromAsm(Module.toString());
var values = {
i32: [
0, 1, -1, 123, 456, -123, -456,
0x40000000, 0x7FFFFFFF, -0x80000000,
],
u32: [
0, 1, 123, 456,
0x40000000, 0x7FFFFFFF, 0xFFFFFFFF, 0x80000000,
],
f32: [
0, -0, 1, -1, 0.25, 0.125, 0.9, -0.9, 1.414,
0x7F, -0x80, -0x8000, -0x80000000,
0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN,
],
f64: [
0, -0, 1, -1, 0.25, 0.125, 0.9, -0.9, 1.414,
0x7F, -0x80, -0x8000, -0x80000000,
0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN,
],
};
var converts = {
i32: function(x) { return x | 0; },
u32: function(x) { return x >>> 0; },
f32: function(x) { return Math.fround(x); },
f64: function(x) { return x; },
};
var two_args = {atan2: true, pow: true, imul: true,
min: true, max: true};
var funcs = {
ceil: ['f32', 'f64'],
floor: ['f32', 'f64'],
sqrt: ['f32', 'f64'],
abs: ['i32', 'f32', 'f64'],
acos: ['f64'],
asin: ['f64'],
atan: ['f64'],
cos: ['f64'],
sin: ['f64'],
tan: ['f64'],
exp: ['f64'],
log: ['f64'],
imul: ['i32', 'u32'],
fround: ['i32', 'u32', 'f32', 'f64'],
min: ['i32', 'f32', 'f64'],
max: ['i32', 'f32', 'f64'],
};
var per_func_equals = {
// JS uses fdlib for these, so they may not match.
// ECMAscript does not required them to have a particular precision.
exp_f64: function(x, y) { return looseEqual(x, y, 1e55); },
sqrt_f32: function(x, y) { return looseEqual(x, y, 1e-5); },
cos_f64: looseEqual,
sin_f64: looseEqual,
tan_f64: looseEqual,
// TODO(bradnelson):
// Figure out why some builds (avx2, rel_ng) return a uint.
imul_u32: function(x, y) { return (x | 0) === (y | 0); },
};
for (var func in funcs) {
var types = funcs[func];
for (var i = 0; i < types.length; i++) {
var type = types[i];
var interesting = values[type];
for (var j = 0; j < interesting.length; j++) {
for (var k = 0; k < interesting.length; k++) {
var val0 = interesting[j];
var val1 = interesting[k];
var name = func + '_' + type;
if (func === 'fround') {
// fround returns f32 regardless of input.
var expected = Math[func](val0);
var actual = m[name](val0);
} else if (two_args[func]) {
var expected = converts[type](Math[func](val0, val1));
var actual = m[name](val0, val1);
} else {
var expected = converts[type](Math[func](val0, val1));
var actual = m[name](val0, val1);
}
var compare = per_func_equals[name];
if (compare === undefined) {
compare = plainEqual;
}
assertTrue(typeof(compare) === 'function');
if (!compare(expected, actual)) {
print(expected + ' !== ' + actual + ' for ' + name +
' with input ' + val0 + ' ' + val1);
assertTrue(false);
}
}
}
}
}
})();
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