pebble/third_party/jerryscript/tests/unit/test-libm.c
2025-01-27 11:38:16 -08:00

94 lines
2.1 KiB
C

/* Copyright 2016 Samsung Electronics Co., Ltd.
* Copyright 2016 University of Szeged.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Unit test for jerry-libm
*/
#include "test-common.h"
static bool passed = true;
static void
check_int (const char *expr, int computed, int expected)
{
printf ("%s = %d [expected=%d] ", expr, computed, expected);
bool result = computed == expected;
printf ("%s\n", result ? "PASS" : "FAIL");
passed &= result;
} /* check_int */
typedef union
{
double value;
uint64_t bits64;
uint32_t bits32[2];
} double_bits_t;
static void
check_double (const char *expr, double computed, double expected)
{
double_bits_t computed_bits;
double_bits_t expected_bits;
computed_bits.value = computed;
expected_bits.value = expected;
printf ("%s = 0x%08x%08x [expected=0x%08x%08x] ", expr,
(unsigned int) computed_bits.bits32[1], (unsigned int) computed_bits.bits32[0],
(unsigned int) expected_bits.bits32[1], (unsigned int) expected_bits.bits32[0]);
bool result;
if (isnan (computed) && isnan (expected))
{
result = true;
}
else
{
int64_t diff = (int64_t) (computed_bits.bits64 - expected_bits.bits64);
if (diff < 0)
{
diff = -diff;
}
if (diff <= 1) /* tolerate 1 bit of differene in the last place */
{
result = true;
if (diff != 0)
{
printf ("APPROX ");
}
}
else
{
result = false;
}
}
printf ("%s\n", result ? "PASS" : "FAIL");
passed &= result;
} /* check_double */
int
main ()
{
#define INF INFINITY
#include "test-libm.inc.h"
return passed ? 0 : 1;
} /* main */