From fbf131b5c043b27e0b1543374bb144e3e426f723 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <=>
Date: Sun, 16 Jul 2023 02:54:32 -0400
Subject: initial

---
 libk/src/internal/libm.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 libk/src/internal/libm.h

(limited to 'libk/src/internal/libm.h')

diff --git a/libk/src/internal/libm.h b/libk/src/internal/libm.h
new file mode 100644
index 0000000..6c47502
--- /dev/null
+++ b/libk/src/internal/libm.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#define fp_force_evalf fp_force_evalf
+static inline void fp_force_evalf(float x) {
+	volatile float y;
+	y = x;
+    (void)y;
+}
+
+#define fp_force_eval fp_force_eval
+static inline void fp_force_eval(double x) {
+	volatile double y;
+	y = x;
+    (void)y;
+}
+
+#define fp_force_evall fp_force_evall
+static inline void fp_force_evall(long double x) {
+	volatile long double y;
+	y = x;
+    (void)y;
+}
+
+#define FORCE_EVAL(x) do { \
+	if (sizeof(x) == sizeof(float)) { \
+		fp_force_evalf(x); \
+	} else if (sizeof(x) == sizeof(double)) { \
+		fp_force_eval(x); \
+	} else { \
+		fp_force_evall(x); \
+	} \
+} while(0)
-- 
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