/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/math.h" #include "libc/nexgen32e/x86feature.h" #include "libc/runtime/gc.internal.h" #include "libc/str/str.h" #include "libc/testlib/testlib.h" #include "libc/x/x.h" #define roundl(x) roundl(VEIL("t", (long double)(x))) #define round(x) round(VEIL("x", (double)(x))) #define roundf(x) roundf(VEIL("x", (float)(x))) FIXTURE(intrin, disableHardwareExtensions) { memset((/*unconst*/ void *)kCpuids, 0, sizeof(kCpuids)); } TEST(round, testCornerCases) { EXPECT_STREQ("-0", gc(xdtoa(round(-0.0)))); EXPECT_STREQ("NAN", gc(xdtoa(round(NAN)))); EXPECT_STREQ("-NAN", gc(xdtoa(round(-NAN)))); EXPECT_STREQ("INFINITY", gc(xdtoa(round(INFINITY)))); EXPECT_STREQ("-INFINITY", gc(xdtoa(round(-INFINITY)))); } TEST(roundl, testCornerCases) { EXPECT_STREQ("-0", gc(xdtoa(roundl(-0.0)))); EXPECT_STREQ("NAN", gc(xdtoa(roundl(NAN)))); EXPECT_STREQ("-NAN", gc(xdtoa(roundl(-NAN)))); EXPECT_STREQ("INFINITY", gc(xdtoa(roundl(INFINITY)))); EXPECT_STREQ("-INFINITY", gc(xdtoa(roundl(-INFINITY)))); } TEST(round, test) { EXPECT_STREQ("-3", gc(xdtoa(round(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(round(-1.5)))); EXPECT_STREQ("-1", gc(xdtoa(round(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(round(-.4)))); EXPECT_STREQ("0", gc(xdtoa(round(.4)))); EXPECT_STREQ("1", gc(xdtoa(round(.5)))); EXPECT_STREQ("2", gc(xdtoa(round(1.5)))); EXPECT_STREQ("3", gc(xdtoa(round(2.5)))); } TEST(roundf, test) { EXPECT_STREQ("-3", gc(xdtoa(roundf(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(roundf(-1.5)))); EXPECT_STREQ("-1", gc(xdtoa(roundf(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(roundf(-.4)))); EXPECT_STREQ("0", gc(xdtoa(roundf(.4)))); EXPECT_STREQ("1", gc(xdtoa(roundf(.5)))); EXPECT_STREQ("2", gc(xdtoa(roundf(1.5)))); EXPECT_STREQ("3", gc(xdtoa(roundf(2.5)))); } TEST(roundl, test) { EXPECT_STREQ("-3", gc(xdtoa(roundl(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(roundl(-1.5)))); EXPECT_STREQ("-1", gc(xdtoa(roundl(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(roundl(-.4)))); EXPECT_STREQ("0", gc(xdtoa(roundl(.4)))); EXPECT_STREQ("1", gc(xdtoa(roundl(.5)))); EXPECT_STREQ("2", gc(xdtoa(roundl(1.5)))); EXPECT_STREQ("3", gc(xdtoa(roundl(2.5)))); } TEST(nearbyint, test) { EXPECT_STREQ("-2", gc(xdtoa(nearbyint(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(nearbyint(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyint(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyint(-.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyint(.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyint(.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyint(1.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyint(2.5)))); } TEST(nearbyintf, test) { EXPECT_STREQ("-2", gc(xdtoa(nearbyintf(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(nearbyintf(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyintf(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyintf(-.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyintf(.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyintf(.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyintf(1.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyintf(2.5)))); } TEST(nearbyintl, test) { EXPECT_STREQ("-2", gc(xdtoa(nearbyintl(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(nearbyintl(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyintl(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(nearbyintl(-.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyintl(.4)))); EXPECT_STREQ("0", gc(xdtoa(nearbyintl(.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyintl(1.5)))); EXPECT_STREQ("2", gc(xdtoa(nearbyintl(2.5)))); } TEST(rint, test) { EXPECT_STREQ("-2", gc(xdtoa(rint(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(rint(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(rint(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(rint(-.4)))); EXPECT_STREQ("0", gc(xdtoa(rint(.4)))); EXPECT_STREQ("0", gc(xdtoa(rint(.5)))); EXPECT_STREQ("2", gc(xdtoa(rint(1.5)))); EXPECT_STREQ("2", gc(xdtoa(rint(2.5)))); } TEST(rintf, test) { EXPECT_STREQ("-2", gc(xdtoa(rintf(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(rintf(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(rintf(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(rintf(-.4)))); EXPECT_STREQ("0", gc(xdtoa(rintf(.4)))); EXPECT_STREQ("0", gc(xdtoa(rintf(.5)))); EXPECT_STREQ("2", gc(xdtoa(rintf(1.5)))); EXPECT_STREQ("2", gc(xdtoa(rintf(2.5)))); } TEST(rintl, test) { EXPECT_STREQ("-2", gc(xdtoa(rintl(-2.5)))); EXPECT_STREQ("-2", gc(xdtoa(rintl(-1.5)))); EXPECT_STREQ("-0", gc(xdtoa(rintl(-.5)))); EXPECT_STREQ("-0", gc(xdtoa(rintl(-.4)))); EXPECT_STREQ("0", gc(xdtoa(rintl(.4)))); EXPECT_STREQ("0", gc(xdtoa(rintl(.5)))); EXPECT_STREQ("2", gc(xdtoa(rintl(1.5)))); EXPECT_STREQ("2", gc(xdtoa(rintl(2.5)))); } TEST(roundf, testCornerCases) { EXPECT_STREQ("-0", gc(xdtoa(roundf(-0.0)))); EXPECT_STREQ("NAN", gc(xdtoa(roundf(NAN)))); EXPECT_STREQ("-NAN", gc(xdtoa(roundf(-NAN)))); EXPECT_STREQ("INFINITY", gc(xdtoa(roundf(INFINITY)))); EXPECT_STREQ("-INFINITY", gc(xdtoa(roundf(-INFINITY)))); } TEST(lroundf, test) { EXPECT_EQ(-3, lroundf(-2.5)); EXPECT_EQ(-2, lroundf(-1.5)); EXPECT_EQ(-1, lroundf(-.5)); EXPECT_EQ(0, lroundf(-.0)); EXPECT_EQ(1, lroundf(.5)); EXPECT_EQ(2, lroundf(1.5)); EXPECT_EQ(3, lroundf(2.5)); } TEST(lround, test) { EXPECT_EQ(-3, lround(-2.5)); EXPECT_EQ(-2, lround(-1.5)); EXPECT_EQ(-1, lround(-.5)); EXPECT_EQ(-0, lround(-.4)); EXPECT_EQ(0, lround(.4)); EXPECT_EQ(1, lround(.5)); EXPECT_EQ(2, lround(1.5)); EXPECT_EQ(3, lround(2.5)); } TEST(lroundl, test) { EXPECT_EQ(-3, lroundl(-2.5)); EXPECT_EQ(-2, lroundl(-1.5)); EXPECT_EQ(-1, lroundl(-.5)); EXPECT_EQ(-0, lroundl(-.4)); EXPECT_EQ(0, lroundl(.4)); EXPECT_EQ(1, lroundl(.5)); EXPECT_EQ(2, lroundl(1.5)); EXPECT_EQ(3, lroundl(2.5)); }