From: Dale Weiler <killfieldengine@gmail.com>
Date: Fri, 23 Nov 2012 06:41:06 +0000 (+0000)
Subject: Use memcmp for comparing doubles
X-Git-Tag: 0.1.9~323
X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=commitdiff_plain;h=c748293ccbe4edc6a9f789ca0bfd5790e8d9e52b

Use memcmp for comparing doubles
---

diff --git a/parser.c b/parser.c
index d61a416..fd4e859 100644
--- a/parser.c
+++ b/parser.c
@@ -167,7 +167,8 @@ static ast_value* parser_const_float(parser_t *parser, double d)
     size_t i;
     ast_value *out;
     for (i = 0; i < vec_size(parser->imm_float); ++i) {
-        if ((double)(parser->imm_float[i]->constval.vfloat) == d)
+        const double compare = parser->imm_float[i]->constval.vfloat;
+        if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
             return parser->imm_float[i];
     }
     out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);