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Improving precision in ecma_number_to_zt_string.

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This commit is contained in:
Ruben Ayrapetyan
2014-10-24 19:33:16 +04:00
parent 82e8895b4c
commit e11f73df64
1 changed files with 7 additions and 7 deletions
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src/libecmaobjects/ecma-helpers-conversion.c
+7 -7
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@@ -831,20 +831,20 @@ ecma_number_to_zt_string_calc_number_params (ecma_number_t num, /**< ecma-number
{ {
/* Lowest binary fraction that should round to fraction_uint64 */ /* Lowest binary fraction that should round to fraction_uint64 */
ECMA_NUMBER_CONVERSION_96BIT_INTEGER_INIT (fraction_uint96, ECMA_NUMBER_CONVERSION_96BIT_INTEGER_INIT (fraction_uint96,
(fraction_uint64 - 1ull) >> 60u, (fraction_uint64 - 1ull) >> 48u,
((fraction_uint64 - 1ull) << 4u) >> 32u, ((fraction_uint64 - 1ull) << 16u) >> 32u,
((fraction_uint64 - 1ull) << 36u) >> 32u | 0x8u); ((fraction_uint64 - 1ull) << 48u) >> 32u | 0x8000u);
} }
else else
{ {
/* Highest binary fraction that should round to fraction_uint64 */ /* Highest binary fraction that should round to fraction_uint64 */
ECMA_NUMBER_CONVERSION_96BIT_INTEGER_INIT (fraction_uint96, ECMA_NUMBER_CONVERSION_96BIT_INTEGER_INIT (fraction_uint96,
(fraction_uint64) >> 60u, (fraction_uint64) >> 48u,
((fraction_uint64) << 4u) >> 32u, ((fraction_uint64) << 16u) >> 32u,
((fraction_uint64) << 36u) >> 32u | 0x7u); ((fraction_uint64) << 48u) >> 32u | 0x7fffu);
} }
binary_exponent -= 4; binary_exponent -= 16;
/* Converting binary exponent to decimal exponent */ /* Converting binary exponent to decimal exponent */
if (binary_exponent > 0) if (binary_exponent > 0)