Blame src/regression/printf-fmt-g-round.c
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// commit e94d0692864ecf9522fd6a97610a47a2f718d3de 2014-04-07
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// %g midpoint cases should be rounded to even
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#include <stdio.h>
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#include <string.h>
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#include "test.h"
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static void t(const char *fmt, double d, const char *want)
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{
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char buf[256];
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int n = strlen(want);
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int r = snprintf(buf, sizeof buf, fmt, d);
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if (r != n || memcmp(buf, want, n+1) != 0)
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t_error("snprintf(\"%s\", %f) want %s got %s\n", fmt, d, want, buf);
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}
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int main()
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{
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t("%.12g", 1000000000005.0, "1e+12");
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t("%.12g", 100000000002500.0, "1.00000000002e+14");
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return t_status;
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}
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