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Issue #2531 - Adjust rounding in toExponential (and kin) to round up at midpoint.

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Resolves #2531
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Moonchild 2024-07-02 00:14:28 +02:00 • committed by roytam1
commit ef1f142cde
1 changed files with 3 additions and 2 deletions
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5
js/src/dtoa.c
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@ -1,9 +1,10 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/**************************************************************** /****************************************************************
* *
* The author of this software is David M. Gay. * The original author of this software is David M. Gay.
* *
* Copyright (c) 1991, 2000, 2001 by Lucent Technologies. * Copyright (c) 1991, 2000, 2001 by Lucent Technologies.
* Copyright (c) 2024 by Moonchild Productions.
* *
* Permission to use, copy, modify, and distribute this software for any * Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice * purpose without fee is hereby granted, provided that this entire notice
@ -2958,7 +2959,7 @@ dtoa
} }
#endif #endif
dval(d) += dval(d); dval(d) += dval(d);
if (dval(d) > ds || (dval(d) == ds && L & 1)) { if (dval(d) >= ds) {
bump_up: bump_up:
while(*--s == '9') while(*--s == '9')
if (s == s0) { if (s == s0) {