Chapter 31: Software Drawing, Time, and Graphical Gameslinear

Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: Symious <14933944+symious@users.noreply.github.com>
Co-authored-by: Jun Kawasaki <jun784@gmail.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/c/simple_crt.c b/src/main/c/simple_crt.c
index 438ae5f9..39708629 100644
--- a/src/main/c/simple_crt.c
+++ b/src/main/c/simple_crt.c
@@ -6,6 +6,19 @@
 #include <termios.h>
 #include <unistd.h>
 
+// Fixed-semantics compiler intrinsics. Keep these definitions for indirect
+// calls; direct calls may inline to representation-preserving register moves.
+int64_t simple_f64_bits(double value) {
+    int64_t bits;
+    memcpy(&bits, &value, sizeof(bits));
+    return bits;
+}
+double simple_f64_from_bits(int64_t bits) {
+    double value;
+    memcpy(&value, &bits, sizeof(value));
+    return value;
+}
+
 // errno may be thread-local or a macro calling a platform accessor.
 int32_t simple_errno(void) { return errno; }
 int32_t simple_set_errno(int32_t error) { errno = error; return -1; }