Implement floating-point option control directive

New directive [FLOAT] with associated standard macros; allows the
setting to be saved and restored.

1 files changed, 1 insertions, 0 deletions

diff --git a/float.h b/float.h
index 430c464..04e9b17 100644
--- a/float.h
+++ b/float.h
@@ -19,5 +19,6 @@ enum float_round {
 
 int float_const(const char *string, int sign, uint8_t *result, int bytes,
                 efunc error);
+int float_option(const char *option);
 
 #endif