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https://github.com/KolibriOS/kolibrios.git
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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "test.h"
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#define length(x) (sizeof(x) / sizeof *(x))
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static struct {
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char *s;
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float f;
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} t[] = {
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// 2^-149 * 0.5 - eps
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{".7006492321624085354618647916449580656401309709382578858785341419448955413429303e-45", 0},
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// 2^-149 * 0.5 + eps
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{".7006492321624085354618647916449580656401309709382578858785341419448955413429304e-45", 0x1p-149},
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// 2^-149 * 0.5 - eps
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{".2101947696487225606385594374934874196920392912814773657635602425834686624028790e-44", 0x1p-149},
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// 2^-149 * 0.5 + eps
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{".2101947696487225606385594374934874196920392912814773657635602425834686624028791e-44", 0x1p-148},
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// 2^-126 + 2^-150 - eps
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{".1175494420887210724209590083408724842314472120785184615334540294131831453944281e-37", 0x1p-126},
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// 2^-126 + 2^-150 + eps
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{".1175494420887210724209590083408724842314472120785184615334540294131831453944282e-37", 0x1.000002p-126},
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// 2^128 - 2^103 - eps
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{"340282356779733661637539395458142568447.9999999999999999999", 0x1.fffffep127},
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// 2^128 - 2^103
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{"340282356779733661637539395458142568448", INFINITY},
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};
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int main(void)
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{
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int i;
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float x;
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char *p;
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for (i = 0; i < length(t); i++) {
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x = strtof(t[i].s, &p);
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if (x != t[i].f)
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t_error("strtof(\"%s\") want %a got %a\n", t[i].s, t[i].f, x);
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}
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printf("%s finished\n", __FILE__);
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return t_status;
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}
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