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Unified Diff: src/third_party/fdlibm/fdlibm.js

Issue 1144163002: Revert of Use shared container to manage imports/exports. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 7 months ago
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Index: src/third_party/fdlibm/fdlibm.js
diff --git a/src/third_party/fdlibm/fdlibm.js b/src/third_party/fdlibm/fdlibm.js
index 3be7c08d84a5984d1b99a4e41302d8c7bafa04f7..82f50cc514096ca1ab8ccfb031e0240703e40eb3 100644
--- a/src/third_party/fdlibm/fdlibm.js
+++ b/src/third_party/fdlibm/fdlibm.js
@@ -26,26 +26,15 @@
var kMath;
var rempio2result;
-(function(global, utils) {
+(function(global, shared, exports) {
"use strict";
%CheckIsBootstrapping();
-// -------------------------------------------------------------------
-// Imports
-
var GlobalMath = global.Math;
-var MathAbs;
-var MathExp;
-
-utils.Import(function(from) {
- MathAbs = from.MathAbs;
- MathExp = from.MathExp;
-});
-
-// -------------------------------------------------------------------
+//-------------------------------------------------------------------
define INVPIO2 = kMath[0];
define PIO2_1 = kMath[1];
@@ -98,7 +87,7 @@
}
} else if (ix <= 0x413921fb) {
// |X| ~<= 2^19*(pi/2), medium size
- var t = MathAbs(X);
+ var t = $abs(X);
n = (t * INVPIO2 + 0.5) | 0;
var r = t - n * PIO2_1;
var w = n * PIO2_1T;
@@ -280,7 +269,7 @@
if (ix < 0x3e300000) { // |x| < 2^-28
if (((ix | %_DoubleLo(x)) | (returnTan + 1)) == 0) {
// x == 0 && returnTan = -1
- return 1 / MathAbs(x);
+ return 1 / $abs(x);
} else {
if (returnTan == 1) {
return x;
@@ -768,7 +757,7 @@
x = x * 1; // Convert to number.
var h = (x < 0) ? -0.5 : 0.5;
// |x| in [0, 22]. return sign(x)*0.5*(E+E/(E+1))
- var ax = MathAbs(x);
+ var ax = $abs(x);
if (ax < 22) {
// For |x| < 2^-28, sinh(x) = x
if (ax < TWO_M28) return x;
@@ -777,11 +766,11 @@
return h * (t + t / (t + 1));
}
// |x| in [22, log(maxdouble)], return 0.5 * exp(|x|)
- if (ax < LOG_MAXD) return h * MathExp(ax);
+ if (ax < LOG_MAXD) return h * $exp(ax);
// |x| in [log(maxdouble), overflowthreshold]
// overflowthreshold = 710.4758600739426
if (ax <= KSINH_OVERFLOW) {
- var w = MathExp(0.5 * ax);
+ var w = $exp(0.5 * ax);
var t = h * w;
return t * w;
}
@@ -819,7 +808,7 @@
var ix = %_DoubleHi(x) & 0x7fffffff;
// |x| in [0,0.5*log2], return 1+expm1(|x|)^2/(2*exp(|x|))
if (ix < 0x3fd62e43) {
- var t = MathExpm1(MathAbs(x));
+ var t = MathExpm1($abs(x));
var w = 1 + t;
// For |x| < 2^-55, cosh(x) = 1
if (ix < 0x3c800000) return w;
@@ -827,14 +816,14 @@
}
// |x| in [0.5*log2, 22], return (exp(|x|)+1/exp(|x|)/2
if (ix < 0x40360000) {
- var t = MathExp(MathAbs(x));
+ var t = $exp($abs(x));
return 0.5 * t + 0.5 / t;
}
// |x| in [22, log(maxdouble)], return half*exp(|x|)
- if (ix < 0x40862e42) return 0.5 * MathExp(MathAbs(x));
+ if (ix < 0x40862e42) return 0.5 * $exp($abs(x));
// |x| in [log(maxdouble), overflowthreshold]
- if (MathAbs(x) <= KCOSH_OVERFLOW) {
- var w = MathExp(0.5 * MathAbs(x));
+ if ($abs(x) <= KCOSH_OVERFLOW) {
+ var w = $exp(0.5 * $abs(x));
var t = 0.5 * w;
return t * w;
}
@@ -937,7 +926,7 @@
function MathLog2(x) {
x = x * 1; // Convert to number.
- var ax = MathAbs(x);
+ var ax = $abs(x);
var hx = %_DoubleHi(x);
var lx = %_DoubleLo(x);
var ix = hx & 0x7fffffff;
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