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Change float comparison operators to return false for NaN (bug 6107, r=ds).

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--HG--
extra : rebase_source : a11c56fb23d6617545def3591ec6100dd143eb3e
This commit is contained in:
David Anderson
2014-04-22 19:40:45 -07:00
parent aa85a1866e
commit e69e9eddc7
10 changed files with 324 additions and 90 deletions
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core/logic/smn_float.cpp
+45
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@@ -86,6 +86,44 @@ static cell_t sm_FloatDiv(IPluginContext *pCtx, const cell_t *params)
return sp_ftoc(val);
}
static cell_t sm_FloatGt(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) > sp_ctof(params[2]));
}
static cell_t sm_FloatGe(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) >= sp_ctof(params[2]));
}
static cell_t sm_FloatLt(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) < sp_ctof(params[2]));
}
static cell_t sm_FloatLe(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) <= sp_ctof(params[2]));
}
static cell_t sm_FloatEq(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) == sp_ctof(params[2]));
}
static cell_t sm_FloatNe(IPluginContext *pCtx, const cell_t *params)
{
return !!(sp_ctof(params[1]) != sp_ctof(params[2]));
}
static cell_t sm_FloatNot(IPluginContext *pCtx, const cell_t *params)
{
float val = sp_ctof(params[1]);
if (isnan(val))
return 1;
return val ? 0 : 1;
}
static cell_t sm_FloatCompare(IPluginContext *pCtx, const cell_t *params)
{
float val1 = sp_ctof(params[1]);
@@ -361,6 +399,13 @@ REGISTER_NATIVES(floatnatives)
{"RoundToCeil", sm_RoundToCeil},
{"RoundToFloor", sm_RoundToFloor},
{"RoundToNearest", sm_RoundToNearest},
{"__FLOAT_GT__", sm_FloatGt},
{"__FLOAT_GE__", sm_FloatGe},
{"__FLOAT_LT__", sm_FloatGt},
{"__FLOAT_LE__", sm_FloatLe},
{"__FLOAT_EQ__", sm_FloatEq},
{"__FLOAT_NE__", sm_FloatNe},
{"__FLOAT_NOT__", sm_FloatNot},
{"FloatCompare", sm_FloatCompare},
{"SquareRoot", sm_SquareRoot},
{"Pow", sm_Pow},