mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-06-09 12:35:46 -04:00
Ryan Dwyer
49 lines
587 B
C
49 lines
587 B
C
#include <ultra64.h>
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#include "constants.h"
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#include "bss.h"
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#include "data.h"
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#include "types.h"
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f32 func00047ef0(f32 arg0)
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{
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s32 sp14;
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f32 sp10;
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f32 sp0c;
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f32 sp08;
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f32 sp04;
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if (arg0 < 0) {
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return 0;
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}
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if (arg0 == 0) {
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return 0;
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}
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sp08 = 0;
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while (arg0 >= 2) {
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arg0 /= 2;
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sp08 += 0.6931471824646f;
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}
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while (arg0 < 1) {
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arg0 *= 2;
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sp08 -= 0.6931471824646f;
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}
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sp14 = 1;
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sp10 = (arg0 - 1) / (arg0 + 1);
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sp0c = 2 * sp10;
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sp10 *= sp10;
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do {
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sp04 = sp08;
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sp08 += sp0c / sp14;
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sp0c *= sp10;
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sp14 += 2;
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} while (sp08 != sp04);
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return sp08;
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}
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