mirror of
https://github.com/fluencelabs/wasmer
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24 lines
676 B
C
24 lines
676 B
C
/*
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* Copyright 2016 The Emscripten Authors. All rights reserved.
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* Emscripten is available under two separate licenses, the MIT license and the
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* University of Illinois/NCSA Open Source License. Both these licenses can be
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* found in the LICENSE file.
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*/
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#include <stdio.h>
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int IsNaN(double x) {
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int rc; /* The value return */
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volatile double y = x;
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volatile double z = y;
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rc = (y != z);
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return rc;
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}
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int main() {
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double tests[] = {1.0, 3.333, 1.0 / 0.0, 0.0 / 0.0, -1.0 / 0.0,
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-0, 0, -123123123, 12.0E200};
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for (int i = 0; i < sizeof(tests) / sizeof(double); i++)
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printf("%d - %f - %d\n", i, tests[i], IsNaN(tests[i]));
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}
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