Revision f230a1cf deps/v8/src/math.js
| deps/v8/src/math.js | ||
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// ECMA 262 - 15.8.2.1 |
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function MathAbs(x) {
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| 47 | 47 |
if (%_IsSmi(x)) return x >= 0 ? x : -x; |
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
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x = TO_NUMBER_INLINE(x);
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| 49 | 49 |
if (x === 0) return 0; // To handle -0. |
| 50 | 50 |
return x > 0 ? x : -x; |
| 51 | 51 |
} |
| 52 | 52 |
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| 53 | 53 |
// ECMA 262 - 15.8.2.2 |
| 54 | 54 |
function MathAcos(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_acos(x); |
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return %Math_acos(TO_NUMBER_INLINE(x)); |
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} |
| 58 | 57 |
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| 59 | 58 |
// ECMA 262 - 15.8.2.3 |
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function MathAsin(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_asin(x); |
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return %Math_asin(TO_NUMBER_INLINE(x)); |
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| 63 | 61 |
} |
| 64 | 62 |
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// ECMA 262 - 15.8.2.4 |
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function MathAtan(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_atan(x); |
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return %Math_atan(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.5 |
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// The naming of y and x matches the spec, as does the order in which |
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// ToNumber (valueOf) is called. |
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function MathAtan2(y, x) {
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if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_atan2(y, x); |
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return %Math_atan2(TO_NUMBER_INLINE(y), TO_NUMBER_INLINE(x)); |
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| 78 | 73 |
} |
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// ECMA 262 - 15.8.2.6 |
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function MathCeil(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_ceil(x); |
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return %Math_ceil(TO_NUMBER_INLINE(x)); |
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| 84 | 78 |
} |
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// ECMA 262 - 15.8.2.7 |
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function MathCos(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %_MathCos(x); |
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return %_MathCos(TO_NUMBER_INLINE(x)); |
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| 90 | 83 |
} |
| 91 | 84 |
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// ECMA 262 - 15.8.2.8 |
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function MathExp(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %Math_exp(x); |
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return %Math_exp(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.9 |
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function MathFloor(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
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x = TO_NUMBER_INLINE(x);
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// It's more common to call this with a positive number that's out |
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// of range than negative numbers; check the upper bound first. |
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if (x < 0x80000000 && x > 0) {
|
| ... | ... | |
| 113 | 105 |
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// ECMA 262 - 15.8.2.10 |
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function MathLog(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %_MathLog(x); |
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return %_MathLog(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.11 |
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function MathMax(arg1, arg2) { // length == 2
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var length = %_ArgumentsLength(); |
| 123 | 114 |
if (length == 2) {
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if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1);
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if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2);
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arg1 = TO_NUMBER_INLINE(arg1);
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arg2 = TO_NUMBER_INLINE(arg2);
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if (arg2 > arg1) return arg2; |
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if (arg1 > arg2) return arg1; |
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if (arg1 == arg2) {
|
| ... | ... | |
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return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg2 : arg1; |
| 132 | 123 |
} |
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// All comparisons failed, one of the arguments must be NaN. |
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return 0/0; // Compiler constant-folds this to NaN.
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return NAN;
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} |
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var r = -1/0; // Compiler constant-folds this to -Infinity.
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var r = -INFINITY;
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for (var i = 0; i < length; i++) {
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var n = %_Arguments(i); |
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if (!IS_NUMBER(n)) n = NonNumberToNumber(n); |
| ... | ... | |
| 151 | 142 |
function MathMin(arg1, arg2) { // length == 2
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var length = %_ArgumentsLength(); |
| 153 | 144 |
if (length == 2) {
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if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1);
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if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2);
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arg1 = TO_NUMBER_INLINE(arg1);
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arg2 = TO_NUMBER_INLINE(arg2);
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if (arg2 > arg1) return arg1; |
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if (arg1 > arg2) return arg2; |
| 158 | 149 |
if (arg1 == arg2) {
|
| ... | ... | |
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return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg1 : arg2; |
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} |
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// All comparisons failed, one of the arguments must be NaN. |
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return 0/0; // Compiler constant-folds this to NaN.
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return NAN;
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} |
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var r = 1/0; // Compiler constant-folds this to Infinity.
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var r = INFINITY;
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for (var i = 0; i < length; i++) {
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var n = %_Arguments(i); |
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if (!IS_NUMBER(n)) n = NonNumberToNumber(n); |
| ... | ... | |
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// ECMA 262 - 15.8.2.13 |
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function MathPow(x, y) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
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return %_MathPow(x, y); |
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return %_MathPow(TO_NUMBER_INLINE(x), TO_NUMBER_INLINE(y)); |
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} |
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// ECMA 262 - 15.8.2.14 |
| ... | ... | |
| 191 | 180 |
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// ECMA 262 - 15.8.2.15 |
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function MathRound(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %RoundNumber(x); |
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return %RoundNumber(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.16 |
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function MathSin(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %_MathSin(x); |
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return %_MathSin(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.17 |
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function MathSqrt(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %_MathSqrt(x); |
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return %_MathSqrt(TO_NUMBER_INLINE(x)); |
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} |
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// ECMA 262 - 15.8.2.18 |
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function MathTan(x) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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return %_MathTan(x); |
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return %_MathTan(TO_NUMBER_INLINE(x)); |
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} |
| 215 | 200 |
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// Non-standard extension. |
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function MathImul(x, y) {
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if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
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if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
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return %NumberImul(x, y); |
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return %NumberImul(TO_NUMBER_INLINE(x), TO_NUMBER_INLINE(y)); |
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| 221 | 204 |
} |
| 222 | 205 |
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