Blame src/stdlib/strtod.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "test.h"
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/* r = place to store result
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* f = function call to test (or any expression)
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* x = expected result
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* m = message to print on failure (with formats for r & x)
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**/
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#define TEST(r, f, x, m) ( \
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((r) = (f)) == (x) || \
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(error("%s failed (" m ")\n", #f, r, x, r-x), 0) )
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void test_strtod(void) {
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int i;
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double d, d2;
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char buf[1000];
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for (i=0; i<100; i++) {
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d = sin(i);
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snprintf(buf, sizeof buf, "%.300f", d);
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TEST(d2, strtod(buf, 0), d, "round trip fail %a != %a (%a)");
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}
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TEST(d, strtod("0x1p4", 0), 16.0, "hex float %a != %a");
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TEST(d, strtod("0x1.1p4", 0), 17.0, "hex float %a != %a");
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}
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