float.c: handle round-up-to-denorm correctly.

diff --git a/float.c b/float.c
index bd2cd58..39bd357 100644 (file)
--- a/float.c
+++ b/float.c
@@ -724,20 +724,15 @@ static int to_float(const char *str, int s, uint8_t * result,
             exponent--;
             if (exponent >= 2 - expmax && exponent <= expmax) {
                type = FL_NORMAL;
-            } else if (exponent < 2 - expmax &&
-                       exponent >= 2 - expmax - fmt->mantissa) {
-               type = FL_DENORMAL;
             } else if (exponent > 0) {
                if (pass0 == 1)
                    error(ERR_WARNING|ERR_WARN_FL_OVERFLOW,
                          "overflow in floating-point constant");
                type = FL_INFINITY;
            } else {
-               /* underflow */
-               if (pass0 == 1)
-                   error(ERR_WARNING|ERR_WARN_FL_UNDERFLOW,
-                         "underflow in floating-point constant");
-               type = FL_ZERO;
+               /* underflow or denormal; the denormal code handles
+                  actual underflow. */
+               type = FL_DENORMAL;
            }
        } else {
            /* Zero */