From 6068a746896407b5ef33bca72a8be6fced14439b Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sun, 11 Jan 2026 19:08:32 -0500
Subject: Implement some missing logic for reals

---
 src/compile/comparisons.c | 3 +++
 src/compile/expressions.c | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/compile')

diff --git a/src/compile/comparisons.c b/src/compile/comparisons.c
index afb5dc15..99f220e3 100644
--- a/src/compile/comparisons.c
+++ b/src/compile/comparisons.c
@@ -50,6 +50,8 @@ Text_t compile_comparison(env_t *env, ast_t *ast) {
         switch (operand_t->tag) {
         case BigIntType:
             return Texts(ast->tag == Equals ? EMPTY_TEXT : Text("!"), "Int$equal_value(", lhs, ", ", rhs, ")");
+        case RealType:
+            return Texts(ast->tag == Equals ? EMPTY_TEXT : Text("!"), "Real$equal_values(", lhs, ", ", rhs, ")");
         case BoolType:
         case ByteType:
         case IntType:
@@ -94,6 +96,7 @@ Text_t compile_comparison(env_t *env, ast_t *ast) {
         const char *op = comparison_operator(ast->tag);
         switch (operand_t->tag) {
         case BigIntType: return Texts("(Int$compare_value(", lhs, ", ", rhs, ") ", op, " 0)");
+        case RealType: return Texts("(Real$compare_values(", lhs, ", ", rhs, ") ", op, " 0)");
         case BoolType:
         case ByteType:
         case IntType:
diff --git a/src/compile/expressions.c b/src/compile/expressions.c
index e2c1d68a..321f5f9f 100644
--- a/src/compile/expressions.c
+++ b/src/compile/expressions.c
@@ -85,6 +85,7 @@ Text_t compile_empty(type_t *t) {
     case FloatType: {
         return Match(t, FloatType)->bits == TYPE_NBITS32 ? Text("F32(0.0f)") : Text("F64(0.0)");
     }
+    case RealType: return Text("Real$from_float64(0.0)");
     case StructType: return compile_empty_struct(t);
     case EnumType: return compile_empty_enum(t);
     default: return EMPTY_TEXT;
@@ -157,7 +158,7 @@ Text_t compile(env_t *env, ast_t *ast) {
                 return Texts(b->code, "(", compile_arguments(env, ast, fn->args, new (arg_ast_t, .value = value)), ")");
         }
 
-        if (t->tag == IntType || t->tag == FloatType) return Texts("-(", compile(env, value), ")");
+        if (t->tag == IntType || t->tag == FloatType || t->tag == RealType) return Texts("-(", compile(env, value), ")");
 
         code_err(ast, "I don't know how to get the negative value of type ", type_to_text(t));
     }
@@ -213,6 +214,8 @@ Text_t compile(env_t *env, ast_t *ast) {
         if (key_t->tag == BigIntType)
             comparison =
                 Texts("(Int$compare_value(", lhs_key, ", ", rhs_key, ")", (ast->tag == Min ? "<=" : ">="), "0)");
+        else if (key_t->tag == RealType)
+            comparison = Texts("(Real$compare_values(", lhs_key, ", ", rhs_key, ")", (ast->tag == Min ? "<=" : ">="), "0)");
         else if (key_t->tag == IntType || key_t->tag == FloatType || key_t->tag == BoolType || key_t->tag == PointerType
                  || key_t->tag == ByteType)
             comparison = Texts("((", lhs_key, ")", (ast->tag == Min ? "<=" : ">="), "(", rhs_key, "))");
-- 
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