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Correct hash behavior for floating point numbers

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This backports the work in #7815 and the subsequent fixes in #8393

The following program now works as expected in this branch in both
release_debug and debug mode:

```gdscript
        print(sqrt(-1))
        print(sqrt(-1))

        var simple1=asin(10.0)
        var simple2=acos(10.0)
        print(simple1)
        print(simple2)
```

And successfully prints -nan 4 times

This fixes #9580 and fixes #8925
This commit is contained in:
Hein-Pieter van Braam
2017-02-15 14:41:16 +01:00
parent 58508eef5b
commit 364f2e8082
11 changed files with 272 additions and 66 deletions
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6
modules/gdscript/gd_tokenizer.cpp
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@@ -1124,9 +1124,9 @@ Vector<uint8_t> GDTokenizerBuffer::parse_code_string(const String &p_code) {
Vector<uint8_t> buf;
Map<StringName, int> identifier_map;
HashMap<Variant, int, VariantHasher> constant_map;
Map<uint32_t, int> line_map;
Map<StringName,int> identifier_map;
HashMap<Variant,int,VariantHasher,VariantComparator> constant_map;
Map<uint32_t,int> line_map;
Vector<uint32_t> token_array;
GDTokenizerText tt;