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VC6 error

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* random.c (int_pair_to_real_inclusive): get rid of VC6 compile
  error C2520: conversion from unsigned __int64 to double not
  implemented.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-06-29 04:37:13 +00:00
parent df8c48a3f9
commit 91ec3d8fbe
1 changed files with 1 additions and 1 deletions
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2
random.c
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@ -286,7 +286,7 @@ int_pair_to_real_inclusive(uint32_t a, uint32_t b)
const uint128_t m = ((uint128_t)1 << dig) | 1;
uint128_t x = ((uint128_t)a << 32) | b;
r = (double)(uint64_t)((x * m) >> 64);
#elif defined HAVE_UINT64_T
#elif defined HAVE_UINT64_T && !(defined _MSC_VER && _MSC_VER <= 1200)
uint64_t x = ((uint64_t)a << dig_u) +
(((uint64_t)b + (a >> dig_u)) >> dig_r64);
r = (double)x;