diff options
Diffstat (limited to 'tools/regression/lib/libc/stdio/test-scanfloat.c')
| -rw-r--r-- | tools/regression/lib/libc/stdio/test-scanfloat.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/tools/regression/lib/libc/stdio/test-scanfloat.c b/tools/regression/lib/libc/stdio/test-scanfloat.c deleted file mode 100644 index 7e1a550..0000000 --- a/tools/regression/lib/libc/stdio/test-scanfloat.c +++ /dev/null @@ -1,305 +0,0 @@ -/*- - * Copyright (C) 2003, 2005 David Schultz <das@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Test for scanf() floating point formats. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <assert.h> -#include <fenv.h> -#include <float.h> -#include <locale.h> -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#define eq(type, a, b) _eq(type##_EPSILON, (a), (b)) -static int _eq(long double epsilon, long double a, long double b); - -int -main(int argc, char *argv[]) -{ - char buf[128]; - long double ld = 0.0; - double d = 0.0; - float f = 0.0; - char *endp; - - printf("1..4\n"); - - buf[0] = '\0'; - assert(setlocale(LC_NUMERIC, "")); - - /* - * Various tests for normalized numbers - */ - sscanf("3.141592", "%e", &f); - assert(eq(FLT, f, 3.141592)); - - sscanf("3.141592653589793", "%lf", &d); - assert(eq(DBL, d, 3.141592653589793)); - - sscanf("1.234568e+06", "%E", &f); - assert(eq(FLT, f, 1.234568e+06)); - - sscanf("-1.234568e6", "%lF", &d); - assert(eq(DBL, d, -1.234568e6)); - - sscanf("+1.234568e-52", "%LG", &ld); - assert(eq(LDBL, ld, 1.234568e-52L)); - - sscanf("0.1", "%la", &d); - assert(eq(DBL, d, 0.1)); - - sscanf("00.2", "%lA", &d); - assert(eq(DBL, d, 0.2)); - - sscanf("123456", "%5le%s", &d, buf); - assert(eq(DBL, d, 12345.)); - assert(strcmp(buf, "6") == 0); - - sscanf("1.0Q", "%*5le%s", buf); - assert(strcmp(buf, "Q") == 0); - - sscanf("-1.23e", "%e%s", &f, buf); - assert(eq(FLT, f, -1.23)); - assert(strcmp(buf, "e") == 0); - - sscanf("1.25e+", "%le%s", &d, buf); - assert(eq(DBL, d, 1.25)); - assert(strcmp(buf, "e+") == 0); - - sscanf("1.23E4E5", "%le%s", &d, buf); - assert(eq(DBL, d, 1.23e4)); - assert(strcmp(buf, "E5") == 0); - - sscanf("12e6", "%le", &d); - assert(eq(DBL, d, 12e6)); - - sscanf("1.a", "%le%s", &d, buf); - assert(eq(DBL, d, 1.0)); - assert(strcmp(buf, "a") == 0); - - sscanf(".0p4", "%le%s", &d, buf); - assert(eq(DBL, d, 0.0)); - assert(strcmp(buf, "p4") == 0); - - d = 0.25; - assert(sscanf(".", "%le", &d) == 0); - assert(d == 0.25); - - sscanf("0x08", "%le", &d); - assert(d == 0x8p0); - - sscanf("0x90a.bcdefP+09a", "%le%s", &d, buf); - assert(d == 0x90a.bcdefp+09); - assert(strcmp(buf, "a") == 0); - -#if (LDBL_MANT_DIG > DBL_MANT_DIG) && !defined(__i386__) - sscanf("3.14159265358979323846", "%Lg", &ld); - assert(eq(LDBL, ld, 3.14159265358979323846L)); - - sscanf(" 0X.0123456789abcdefffp-3g", "%Le%s", &ld, buf); - assert(ld == 0x0.0123456789abcdefffp-3L); - assert(strcmp(buf, "g") == 0); -#endif - - sscanf("0xg", "%le%s", &d, buf); - assert(d == 0.0); - assert(strcmp(buf, "xg") == 0); - - assert(setlocale(LC_NUMERIC, "ru_RU.ISO8859-5")); /* decimalpoint==, */ - - sscanf("1.23", "%le%s", &d, buf); - assert(d == 1.0); - assert(strcmp(buf, ".23") == 0); - - sscanf("1,23", "%le", &d); - assert(d == 1.23); - - assert(setlocale(LC_NUMERIC, "")); - - printf("ok 1 - scanfloat\n"); - - /* - * Infinity and NaN tests - */ - sscanf("-Inf", "%le", &d); - assert(d < 0.0 && isinf(d)); - - sscanf("iNfInItY and beyond", "%le%s", &d, buf); - assert(d > 0.0 && isinf(d)); - assert(strcmp(buf, " and beyond")); - - sscanf("NaN", "%le", &d); - assert(isnan(d)); - - sscanf("NAN(123Y", "%le%s", &d, buf); - assert(isnan(d)); - assert(strcmp(buf, "(123Y") == 0); - - sscanf("nan(f00f)plugh", "%le%s", &d, buf); - assert(isnan(d)); - assert(strcmp(buf, "plugh") == 0); - - sscanf("-nan", "%le", &d); - assert(isnan(d)); - - /* Only quiet NaNs should be returned. */ - sscanf("NaN", "%e", &f); - sscanf("nan", "%le", &d); - sscanf("nan", "%Le", &ld); - feclearexcept(FE_ALL_EXCEPT); - assert(f != f); - assert(d != d); - assert(ld != ld); - assert(fetestexcept(FE_INVALID) == 0); - sscanf("nan(1234)", "%e", &f); - sscanf("nan(1234)", "%le", &d); - sscanf("nan(1234)", "%Le", &ld); - feclearexcept(FE_ALL_EXCEPT); - assert(f != f); - assert(d != d); - assert(ld != ld); - /* POSIX says we should only generate quiet NaNs. */ - assert(fetestexcept(FE_INVALID) == 0); - - printf("ok 2 - scanfloat\n"); - - /* - * Rounding tests - */ - - fesetround(FE_DOWNWARD); - - sscanf("1.999999999999999999999999999999999", "%le", &d); - assert(d < 2.0); - sscanf("0x1.ffffffffffffffp0", "%le", &d); - assert(d < 2.0); - sscanf("1.999999999999999999999999999999999", "%Le", &ld); - assert(ld < 2.0); - - sscanf("1.0571892669084007", "%le", &d); - assert(d == 0x1.0ea3f4af0dc59p0); - sscanf("-1.0571892669084007", "%le", &d); - assert(d == -0x1.0ea3f4af0dc5ap0); - sscanf("1.0571892669084010", "%le", &d); - assert(d == 0x1.0ea3f4af0dc5ap0); - - sscanf("0x1.23p-5000", "%le", &d); - assert(d == 0.0); - - sscanf("0x1.2345678p-1050", "%le", &d); - assert(d == 0x1.234567p-1050); - - fesetround(FE_UPWARD); - - sscanf("1.0571892669084007", "%le", &d); - assert(d == 0x1.0ea3f4af0dc5ap0); - sscanf("-1.0571892669084007", "%le", &d); - assert(d == -0x1.0ea3f4af0dc59p0); - sscanf("1.0571892669084010", "%le", &d); - assert(d == 0x1.0ea3f4af0dc5bp0); - - sscanf("0x1.23p-5000", "%le", &d); - assert(d == 0x1p-1074); - - sscanf("0x1.2345678p-1050", "%le", &d); - assert(d == 0x1.234568p-1050); - - fesetround(FE_TOWARDZERO); - - sscanf("1.0571892669084007", "%le", &d); - assert(d == 0x1.0ea3f4af0dc59p0); - sscanf("-1.0571892669084007", "%le", &d); - assert(d == -0x1.0ea3f4af0dc59p0); - sscanf("1.0571892669084010", "%le", &d); - assert(d == 0x1.0ea3f4af0dc5ap0); - - sscanf("0x1.23p-5000", "%le", &d); - assert(d == 0.0); - - sscanf("0x1.2345678p-1050", "%le", &d); - assert(d == 0x1.234567p-1050); - - fesetround(FE_TONEAREST); - - /* 1.0571892669084007 is slightly closer to 0x1.0ea3f4af0dc59p0 */ - sscanf("1.0571892669084007", "%le", &d); - assert(d == 0x1.0ea3f4af0dc59p0); - sscanf("-1.0571892669084007", "%le", &d); - assert(d == -0x1.0ea3f4af0dc59p0); - sscanf("1.0571892669084010", "%le", &d); - assert(d == 0x1.0ea3f4af0dc5bp0); - - /* strtod() should round small numbers to 0. */ - sscanf("0x1.23p-5000", "%le", &d); - assert(d == 0.0); - - /* Extra digits in a denormal shouldn't break anything. */ - sscanf("0x1.2345678p-1050", "%le", &d); - assert(d == 0x1.234568p-1050); - - printf("ok 3 - scanfloat\n"); - - /* - * Tests specific to strtod(). - */ - - assert(strtod("0xy", &endp) == 0); - assert(strcmp("xy", endp) == 0); - - /* This used to cause an infinite loop and round the wrong way. */ - fesetround(FE_DOWNWARD); - assert(strtof("3.5e38", &endp) == FLT_MAX); - assert(strtod("2e308", &endp) == DBL_MAX); - fesetround(FE_UPWARD); - assert(strtof("3.5e38", &endp) == INFINITY); - assert(strtod("2e308", &endp) == INFINITY); - fesetround(FE_TOWARDZERO); - assert(strtof("3.5e38", &endp) == FLT_MAX); - assert(strtod("2e308", &endp) == DBL_MAX); - fesetround(FE_TONEAREST); - assert(strtof("3.5e38", &endp) == INFINITY); - assert(strtod("2e308", &endp) == INFINITY); - - printf("ok 4 - scanfloat\n"); - - return (0); -} - -static int -_eq(long double epsilon, long double a, long double b) -{ - long double delta; - - delta = fabsl(a - b); - return (delta <= epsilon); -} |
