Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1137)

Unified Diff: src/harmony-math.js

Issue 178223011: Reset trunk to 3.24.35.4 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/globals.h ('k') | src/heap.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/harmony-math.js
diff --git a/src/harmony-math.js b/src/harmony-math.js
index 7856917890b5f3f4c0369a8731c6892a8ef57346..d57a10404259eec07094930e61fd161fb58c6428 100644
--- a/src/harmony-math.js
+++ b/src/harmony-math.js
@@ -59,7 +59,8 @@ function MathSinh(x) {
// ES6 draft 09-27-13, section 20.2.2.12.
function MathCosh(x) {
if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
- if (!NUMBER_IS_FINITE(x)) return MathAbs(x);
+ // Idempotent for NaN and +/-Infinity.
+ if (!NUMBER_IS_FINITE(x)) return x;
return (MathExp(x) + MathExp(-x)) / 2;
}
@@ -109,19 +110,19 @@ function MathAtanh(x) {
}
-// ES6 draft 09-27-13, section 20.2.2.21.
+//ES6 draft 09-27-13, section 20.2.2.21.
function MathLog10(x) {
return MathLog(x) * 0.434294481903251828; // log10(x) = log(x)/log(10).
}
-// ES6 draft 09-27-13, section 20.2.2.22.
+//ES6 draft 09-27-13, section 20.2.2.22.
function MathLog2(x) {
return MathLog(x) * 1.442695040888963407; // log2(x) = log(x)/log(2).
}
-// ES6 draft 09-27-13, section 20.2.2.17.
+//ES6 draft 09-27-13, section 20.2.2.17.
function MathHypot(x, y) { // Function length is 2.
// We may want to introduce fast paths for two arguments and when
// normalization to avoid overflow is not necessary. For now, we
@@ -154,44 +155,6 @@ function MathHypot(x, y) { // Function length is 2.
}
-// ES6 draft 09-27-13, section 20.2.2.16.
-function MathFround(x) {
- return %Math_fround(TO_NUMBER_INLINE(x));
-}
-
-
-function MathClz32(x) {
- x = ToUint32(TO_NUMBER_INLINE(x));
- if (x == 0) return 32;
- var result = 0;
- // Binary search.
- if ((x & 0xFFFF0000) === 0) { x <<= 16; result += 16; };
- if ((x & 0xFF000000) === 0) { x <<= 8; result += 8; };
- if ((x & 0xF0000000) === 0) { x <<= 4; result += 4; };
- if ((x & 0xC0000000) === 0) { x <<= 2; result += 2; };
- if ((x & 0x80000000) === 0) { x <<= 1; result += 1; };
- return result;
-}
-
-
-//ES6 draft 09-27-13, section 20.2.2.9.
-function MathCbrt(x) {
- return %Math_cbrt(TO_NUMBER_INLINE(x));
-}
-
-
-//ES6 draft 09-27-13, section 20.2.2.14.
-function MathExpm1(x) {
- return %Math_expm1(TO_NUMBER_INLINE(x));
-}
-
-
-//ES6 draft 09-27-13, section 20.2.2.20.
-function MathLog1p(x) {
- return %Math_log1p(TO_NUMBER_INLINE(x));
-}
-
-
function ExtendMath() {
%CheckIsBootstrapping();
@@ -207,14 +170,8 @@ function ExtendMath() {
"atanh", MathAtanh,
"log10", MathLog10,
"log2", MathLog2,
- "hypot", MathHypot,
- "fround", MathFround,
- "clz32", MathClz32,
- "cbrt", MathCbrt,
- "log1p", MathLog1p,
- "expm1", MathExpm1
+ "hypot", MathHypot
));
}
-
ExtendMath();
« no previous file with comments | « src/globals.h ('k') | src/heap.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698