mirror of
https://github.com/jart/cosmopolitan.git
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198 lines
10 KiB
C
198 lines
10 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/sigaction.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/calls/ucontext.h"
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#include "libc/macros.internal.h"
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#include "libc/math.h"
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#include "libc/rand/rand.h"
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#include "libc/runtime/gc.h"
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#include "libc/runtime/pc.internal.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/consts/sa.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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int rando;
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void SetUp(void) {
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rando = rand() & 0xffff;
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}
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TEST(powl, test) {
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EXPECT_STREQ("27", gc(xdtoal(powl(3, 3))));
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EXPECT_STREQ("-27", gc(xdtoal(powl(-3, 3))));
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EXPECT_STREQ("1e+4932", gc(xdtoal(powl(10, 4932))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(10, 4933))));
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EXPECT_STREQ("0", gc(xdtoal(powl(10, -5000))));
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EXPECT_STREQ("1.063382396627933e+37", gc(xdtoal(powl(2, 123))));
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EXPECT_STARTSWITH(".4248496805467504", gc(xdtoal(powl(.7, 2.4))));
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EXPECT_STREQ("1", gc(xdtoal(powl(1, NAN))));
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EXPECT_STREQ("1", gc(xdtoal(powl(1, rando))));
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EXPECT_STREQ("1", gc(xdtoal(powl(NAN, 0))));
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EXPECT_STREQ("1", gc(xdtoal(powl(rando, 0))));
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EXPECT_STREQ("0", gc(xdtoal(powl(0, 1))));
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EXPECT_STREQ("0", gc(xdtoal(powl(0, 2))));
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EXPECT_STREQ("0", gc(xdtoal(powl(0, 2.1))));
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EXPECT_STREQ("1", gc(xdtoal(powl(-1, INFINITY))));
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EXPECT_STREQ("1", gc(xdtoal(powl(-1, -INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(1. / MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoal(powl(1.1, -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoal(powl(MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoal(powl(1. / MAX(2, rando), INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(MAX(2, rando), INFINITY))));
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EXPECT_STREQ("-0", gc(xdtoal(powl(-INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoal(powl(-INFINITY, -1.1))));
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EXPECT_STREQ("0", gc(xdtoal(powl(-INFINITY, -2))));
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EXPECT_STREQ("0", gc(xdtoal(powl(-INFINITY, -2.1))));
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EXPECT_STREQ("-0", gc(xdtoal(powl(-INFINITY, -3))));
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EXPECT_STREQ("0", gc(xdtoal(powl(-INFINITY, -3.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(powl(-INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-INFINITY, 1.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-INFINITY, 2))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-INFINITY, 2.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(powl(-INFINITY, 3))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-INFINITY, 3.1))));
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EXPECT_STREQ("0", gc(xdtoal(powl(INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoal(powl(INFINITY, -.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(INFINITY, .1))));
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EXPECT_STREQ("1", gc(xdtoal(powl(INFINITY, 0))));
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EXPECT_STREQ("1", gc(xdtoal(powl(INFINITY, -0.))));
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EXPECT_STREQ("1", gc(xdtoal(powl(0, 0))));
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EXPECT_STREQ("1", gc(xdtoal(powl(0, -0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(0, -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(powl(-0., -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(0, -(rando & -2)))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(powl(-0., -(rando & -2)))));
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EXPECT_TRUE(isnan(powl(-3, 1. / MAX(rando, 2))));
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EXPECT_TRUE(isnan(powl(-3, -(1. / MAX(rando, 2)))));
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EXPECT_STREQ("-.3333333333333333", gc(xdtoal(powl(-3, -1))));
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EXPECT_STREQ(".1111111111111111", gc(xdtoal(powl(-3, -2))));
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}
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TEST(pow, test) {
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EXPECT_STREQ("27", gc(xdtoa(pow(3, 3))));
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EXPECT_STREQ("-27", gc(xdtoa(pow(-3, 3))));
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EXPECT_STREQ("1e+308", gc(xdtoa(pow(10, 308))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(10, 309))));
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EXPECT_STREQ("0", gc(xdtoa(pow(10, -5000))));
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EXPECT_STREQ("1.06338239662793e+37", gc(xdtoa(pow(2, 123))));
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EXPECT_STARTSWITH(".42484968054675", gc(xdtoa(pow(.7, 2.4))));
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EXPECT_STREQ("1", gc(xdtoa(pow(1, NAN))));
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EXPECT_STREQ("1", gc(xdtoa(pow(1, rando))));
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EXPECT_STREQ("1", gc(xdtoa(pow(NAN, 0))));
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EXPECT_STREQ("1", gc(xdtoa(pow(rando, 0))));
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EXPECT_STREQ("0", gc(xdtoa(pow(0, 1))));
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EXPECT_STREQ("0", gc(xdtoa(pow(0, 2))));
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EXPECT_STREQ("0", gc(xdtoa(pow(0, 2.1))));
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EXPECT_STREQ("1", gc(xdtoa(pow(-1, INFINITY))));
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EXPECT_STREQ("1", gc(xdtoa(pow(-1, -INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(1. / MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoa(pow(1.1, -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoa(pow(MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoa(pow(1. / MAX(2, rando), INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(MAX(2, rando), INFINITY))));
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EXPECT_STREQ("-0", gc(xdtoa(pow(-INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoa(pow(-INFINITY, -1.1))));
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EXPECT_STREQ("0", gc(xdtoa(pow(-INFINITY, -2))));
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EXPECT_STREQ("0", gc(xdtoa(pow(-INFINITY, -2.1))));
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EXPECT_STREQ("-0", gc(xdtoa(pow(-INFINITY, -3))));
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EXPECT_STREQ("0", gc(xdtoa(pow(-INFINITY, -3.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(pow(-INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-INFINITY, 1.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-INFINITY, 2))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-INFINITY, 2.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(pow(-INFINITY, 3))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-INFINITY, 3.1))));
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EXPECT_STREQ("0", gc(xdtoa(pow(INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoa(pow(INFINITY, -.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(INFINITY, .1))));
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EXPECT_STREQ("1", gc(xdtoa(pow(INFINITY, 0))));
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EXPECT_STREQ("1", gc(xdtoa(pow(INFINITY, -0.))));
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EXPECT_STREQ("1", gc(xdtoa(pow(0, 0))));
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EXPECT_STREQ("1", gc(xdtoa(pow(0, -0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(0, -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(pow(-0., -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(0, -(rando & -2)))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(pow(-0., -(rando & -2)))));
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EXPECT_STREQ("-.333333333333333", gc(xdtoa(pow(-3, -1))));
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EXPECT_STREQ(".111111111111111", gc(xdtoa(pow(-3, -2))));
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}
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TEST(powf, test) {
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EXPECT_STREQ("27", gc(xdtoaf(powf(3, 3))));
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EXPECT_STREQ("-27", gc(xdtoaf(powf(-3, 3))));
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EXPECT_STREQ("1e+38", gc(xdtoaf(powf(10, 38))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(10, 39))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(10, -5000))));
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EXPECT_STREQ("1.06338e+37", gc(xdtoaf(powf(2, 123))));
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EXPECT_STARTSWITH(".42485", gc(xdtoaf(powf(.7, 2.4))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(1, NAN))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(1, rando))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(NAN, 0))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(rando, 0))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(0, 1))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(0, 2))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(0, 2.1))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(-1, INFINITY))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(-1, -INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(1. / MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(1.1, -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(MAX(2, rando), -INFINITY))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(1. / MAX(2, rando), INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(MAX(2, rando), INFINITY))));
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EXPECT_STREQ("-0", gc(xdtoaf(powf(-INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(-INFINITY, -1.1))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(-INFINITY, -2))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(-INFINITY, -2.1))));
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EXPECT_STREQ("-0", gc(xdtoaf(powf(-INFINITY, -3))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(-INFINITY, -3.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(powf(-INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-INFINITY, 1.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-INFINITY, 2))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-INFINITY, 2.1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(powf(-INFINITY, 3))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-INFINITY, 3.1))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(INFINITY, -1))));
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EXPECT_STREQ("0", gc(xdtoaf(powf(INFINITY, -.1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(INFINITY, 1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(INFINITY, .1))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(INFINITY, 0))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(INFINITY, -0.))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(0, 0))));
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EXPECT_STREQ("1", gc(xdtoaf(powf(0, -0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(0, -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(powf(-0., -(MAX(rando, 1) | 1)))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(0, -(rando & -2)))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(powf(-0., -(rando & -2)))));
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EXPECT_STREQ("-.333333", gc(xdtoaf(powf(-3, -1))));
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EXPECT_STREQ(".111111", gc(xdtoaf(powf(-3, -2))));
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}
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BENCH(powl, bench) {
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double _pow(double, double) asm("pow");
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float _powf(float, float) asm("powf");
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long double _powl(long double, long double) asm("powl");
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EZBENCH2("pow", donothing, _pow(.7, .2)); /* ~56ns */
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EZBENCH2("powf", donothing, _powf(.7, .2)); /* ~56ns */
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EZBENCH2("powl", donothing, _powl(.7, .2)); /* ~56ns */
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}
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