/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8     -*-â
âvi: set et ft=asm ts=8 sw=8 fenc=utf-8                                     :viâ
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â Copyright 2020 Justine Alexandra Roberts Tunney                              â
â                                                                              â
â Permission to use, copy, modify, and/or distribute this software for         â
â any purpose with or without fee is hereby granted, provided that the         â
â above copyright notice and this permission notice appear in all copies.      â
â                                                                              â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             â
â PERFORMANCE OF THIS SOFTWARE.                                                â
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#include "libc/runtime/pc.internal.h"
#include "libc/macros.internal.h"

//	fmod [sic] does (ð¥ rem ð¦) w/ round()-style rounding.
//
//	@param	ð¥ is an 80-bit long double passed on stack in 16-bytes
//	@param	ð¦ is the power, also pushed on stack, in reverse order
//	@return	remainder â (-|ð¦|,|ð¦|) in %st
//	@define	ð¥-truncl(ð¥/ð¦)*ð¦
//	@see	emod()
fmodl:	push	%rbp
	mov	%rsp,%rbp
	.profilable
	fldt	32(%rbp)
	fldt	16(%rbp)
1:	fprem
	fnstsw
	test	$FPU_C2>>8,%ah
	jnz	1b
	fstp	%st(1)
	pop	%rbp
	ret
1:	int3
	pop	%rbp
	ret
	.endfn	fmodl,globl
