X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=csrc%2Fpfinnrfp.h;h=4a3095ba6bf5f3c888665636b4976bb826dc29b4;hb=ff136ea5caf229ce3135cc6245051f40a9b443f3;hp=ec476f7d5470b9cdf2307df81832888c21ce4fc3;hpb=652797413b32546b9f9d5ada1df0c3aa12b3de7b;p=debian%2Fpforth

diff --git a/csrc/pfinnrfp.h b/csrc/pfinnrfp.h
index ec476f7..4a3095b 100644
--- a/csrc/pfinnrfp.h
+++ b/csrc/pfinnrfp.h
@@ -8,14 +8,17 @@
 ** Author: Darren Gibbs, Phil Burk
 ** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom
 **
-** The pForth software code is dedicated to the public domain,
-** and any third party may reproduce, distribute and modify
-** the pForth software code or any derivative works thereof
-** without any compensation or license.  The pForth software
-** code is provided on an "as is" basis without any warranty
-** of any kind, including, without limitation, the implied
-** warranties of merchantability and fitness for a particular
-** purpose and their equivalents under the laws of any jurisdiction.
+** Permission to use, copy, modify, and/or distribute this
+** software for any purpose with or without fee is hereby granted.
+**
+** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+** THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+** CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+** FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+** CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+** OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 **
 ****************************************************************
 **
@@ -23,7 +26,7 @@
 
 #ifdef PF_SUPPORT_FP
 
-#define FP_DHI1 (((PF_FLOAT)(1L<<(sizeof(cell_t)*8-2)))*4.0)
+#define FP_DHI1 (((PF_FLOAT)((cell_t)1<<(sizeof(cell_t)*8-2)))*4.0)
 
     case ID_FP_D_TO_F: /* ( dlo dhi -- ) ( F: -- r ) */
         PUSH_FP_TOS;
@@ -206,9 +209,11 @@
         break;
 
     case ID_FP_FROUND:
-        PUSH_TOS;
-        TOS = (cell_t)fp_round(FP_TOS);
-        M_FP_DROP;
+        /* This was broken before and used to push its result to the
+         * integer data stack! Now it conforms to the ANSI standard.
+         * https://github.com/philburk/pforth/issues/69
+         */
+        FP_TOS = (PF_FLOAT)fp_round(FP_TOS);
         break;
 
     case ID_FP_FSWAP: /* ( -- ) ( F: r1 r2 -- r2 r1 ) */