arm64 has real IEEE quads, it needs more digits when reading the

bc results otherwise truncation and loss of precision occurs, making the
test fail.

Test failure on arm64 noted by anton@ and bluhmn@

diff --git a/regress/usr.bin/bc/t19.c b/regress/usr.bin/bc/t19.c
index 0211c6c..37373fb 100644 (file)
--- a/regress/usr.bin/bc/t19.c
+++ b/regress/usr.bin/bc/t19.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: t19.c,v 1.4 2017/11/29 14:31:50 otto Exp $    */
+/*     $OpenBSD: t19.c,v 1.5 2022/04/22 17:37:47 otto Exp $    */
 
 /*
  * Copyright (c) 2012 Otto Moerbeek <otto@drijf.net>
@@ -51,7 +51,7 @@ main(void)
                                if (v == 0.0 && funcs[fi].f == logl)
                                        continue;
                                snprintf(cmd, sizeof(cmd),
-                                   "bc -l -e scale=%d -e '%s(%.19Lf)' -equit",
+                                   "bc -l -e scale=%d -e '%s(%.36Lf)' -equit",
                                    scale[si], funcs[fi].name, v);
                                fp = popen(cmd, "r");
                                ret = fscanf(fp, "%Lf", &d1);