/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2021 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
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/struct/timespec.h"
#include "libc/math.h"
#include "libc/mem/gc.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/xasprintf.h"

double _cbrt(double) asm("cbrt");
float _cbrtf(float) asm("cbrtf");
long double _cbrtl(long double) asm("cbrtl");

TEST(cbrt, test) {
  EXPECT_STREQ("0", _gc(xasprintf("%.15g", _cbrt(0.))));
  EXPECT_STREQ("-0", _gc(xasprintf("%.15g", _cbrt(-0.))));
  EXPECT_STREQ("0.7937005259841", _gc(xasprintf("%.15g", _cbrt(.5))));
  EXPECT_STREQ("-0.7937005259841", _gc(xasprintf("%.15g", _cbrt(-.5))));
  EXPECT_STREQ("1", _gc(xasprintf("%.15g", _cbrt(1.))));
  EXPECT_STREQ("-1", _gc(xasprintf("%.15g", _cbrt(-1.))));
  EXPECT_STREQ("1.14471424255333", _gc(xasprintf("%.15g", _cbrt(1.5))));
  EXPECT_STREQ("-1.14471424255333", _gc(xasprintf("%.15g", _cbrt(-1.5))));
  EXPECT_STREQ("nan", _gc(xasprintf("%.15g", _cbrt(NAN))));
  EXPECT_STREQ("-nan", _gc(xasprintf("%.15g", _cbrt(-NAN))));
  EXPECT_STREQ("inf", _gc(xasprintf("%.15g", _cbrt(INFINITY))));
  EXPECT_STREQ("-inf", _gc(xasprintf("%.15g", _cbrt(-INFINITY))));
  EXPECT_STREQ("2.81264428523626e-103",
               _gc(xasprintf("%.15g", _cbrt(__DBL_MIN__))));
  EXPECT_STREQ("5.64380309412236e+102",
               _gc(xasprintf("%.15g", _cbrt(__DBL_MAX__))));
}

BENCH(cbrt, bench) {
  EZBENCH2("cbrt", donothing, _cbrt(.7));    // ~19ns
  EZBENCH2("cbrtf", donothing, _cbrtf(.7));  // ~15ns
  EZBENCH2("cbrtl", donothing, _cbrtl(.7));  // ~36ns
}
