tools/regression/lib/libc/gen/test-fpclassify.c

   1 /*-
   2  * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <assert.h>
  30 #include <math.h>
  31 #include <stdlib.h>
  32
  33 int
  34 main(void)
  35 {
  36
  37         assert(fpclassify((float)0) == FP_ZERO);
  38         assert(fpclassify((float)-0.0) == FP_ZERO);
  39         assert(fpclassify((float)1) == FP_NORMAL);
  40         assert(fpclassify((float)1000) == FP_NORMAL);
  41 #ifndef __alpha__
  42         assert(fpclassify(0x1.2p-150f) == FP_SUBNORMAL);
  43 #endif
  44         assert(fpclassify(HUGE_VALF) == FP_INFINITE);
  45         assert(fpclassify((float)HUGE_VAL) == FP_INFINITE);
  46         assert(fpclassify((float)HUGE_VALL) == FP_INFINITE);
  47         assert(fpclassify(NAN) == FP_NAN);
  48
  49         assert(fpclassify((double)0) == FP_ZERO);
  50         assert(fpclassify((double)-0) == FP_ZERO);
  51         assert(fpclassify((double)1) == FP_NORMAL);
  52         assert(fpclassify((double)1000) == FP_NORMAL);
  53 #ifndef __alpha__
  54         assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL);
  55 #endif
  56         assert(fpclassify(HUGE_VAL) == FP_INFINITE);
  57         assert(fpclassify((double)HUGE_VALF) == FP_INFINITE);
  58         assert(fpclassify((double)HUGE_VALL) == FP_INFINITE);
  59         assert(fpclassify((double)NAN) == FP_NAN);
  60
  61         assert(fpclassify((long double)0) == FP_ZERO);
  62         assert(fpclassify((long double)-0.0) == FP_ZERO);
  63         assert(fpclassify((long double)1) == FP_NORMAL);
  64         assert(fpclassify((long double)1000) == FP_NORMAL);
  65 #ifndef __alpha__
  66         assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
  67 #endif
  68         assert(fpclassify(HUGE_VALL) == FP_INFINITE);
  69         assert(fpclassify((long double)HUGE_VALF) == FP_INFINITE);
  70         assert(fpclassify((long double)HUGE_VAL) == FP_INFINITE);
  71         assert(fpclassify((long double)NAN) == FP_NAN);
  72
  73         printf("PASS fpclassify()\n");
  74         exit(0);
  75 }