Improve consistency of JS_NewFloat64 API #319
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- `JS_NewFloat64()` always creates a `JS_TAG_FLOAT64` value - rename `__JS_NewFloat64` as `JS_NewFloat64__` to avoid reserved name issue - internal `js_float64()` always creates a `JS_TAG_FLOAT64` value - add `js_int64` internal function for consistency - simplify `float_is_int32` and rename as `double_is_int32` - handle `INT32_MIN` in `double_is_int32` - add `js_number(d)` to create a `JS_TAG_FLOAT64` or a `JS_TAG_INT` value if possible - add `JS_NewNumber()` API for the same purpose - use non testing constructor for infinities in `js_atof2` - always store internal time value as a float64 - merge `JS_NewBigInt64_1` into `JS_NewBigInt64`
saghul
reviewed
Mar 16, 2024
saghul
approved these changes
Mar 16, 2024
|
@bnoordhuis do you approve this PR? I would like to move ahead with other features and commit to bellard/quickjs too. |
bnoordhuis
reviewed
Mar 18, 2024
bnoordhuis
approved these changes
Mar 22, 2024
| } else { | ||
| // fractional if low bits are non-zero | ||
| return !(u << 12 << e); | ||
| } |
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If I'm being brutally honest, I feel the old version of this function is more legible. Machine code-wise, it's probably a wash; I don't expect this version to be particularly faster.
- use comparisons instead of `(int32_t)` casts
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JS_NewFloat64()always creates aJS_TAG_FLOAT64value__JS_NewFloat64asJS_NewFloat64__to avoid reserved name issuejs_float64()always creates aJS_TAG_FLOAT64valuejs_int64internal function for consistencyfloat_is_int32and rename asdouble_is_int32INT32_MINindouble_is_int32js_number(d)to create aJS_TAG_FLOAT64or aJS_TAG_INTvalue if possibleJS_NewNumber()API for the same purposejs_atof2JS_NewBigInt64_1intoJS_NewBigInt64