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Consistent naming for Math_ functions (#542)

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* Darkmeiro decompilation

Bg_Gnd_Darkmeiro decompiled, matched, and documented.

* give this a shot

* fix conflict

* one more try

* could be useful

* whoops

* ZAP2 stuff

* ZAP why

* ZAP again

* maths

* Factoriali -> Factorial

* soon, soon

* renames

* rand

* docs

* merged

* formatting

* little more cleanup

* asm crept back in

* changes to MathF

* smooth criminal

* functions.h
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petrie911 2020-12-26 04:44:53 -06:00 • committed by GitHub
parent 81c269b417
commit 8fa6cb6ff9
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31
src/code/sys_math.c
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@ -3,42 +3,45 @@
f32 sFactorialTbl[] = { 1.0f, 1.0f, 2.0f, 6.0f, 24.0f, 120.0f, 720.0f,
5040.0f, 40320.0f, 362880.0f, 3628800.0f, 39916800.0f, 479001600.0f };
f32 func_800CA540(f32 arg0) {
f32 Math_FactorialF(f32 n) {
f32 ret = 1.0f;
s32 i;
for (i = arg0; i > 1; i--) {
for (i = n; i > 1; i--) {
ret *= i;
}
return ret;
}
f32 func_800CA63C(u32 arg0) {
f32 Math_Factorial(s32 n) {
f32 ret;
s32 i;
if (arg0 > 12) {
if (n > 12U) {
ret = sFactorialTbl[12];
for (i = 13; i <= (s32)arg0; i++) {
for (i = 13; i <= n; i++) {
ret *= i;
}
} else {
ret = sFactorialTbl[arg0];
ret = sFactorialTbl[n];
}
return ret;
}
f32 func_800CA6FC(f32 arg0, s32 arg1) {
f32 Math_PowF(f32 base, s32 exp) {
f32 ret = 1.0f;
while (arg1 > 0) {
arg1--;
ret *= arg0;
while (exp > 0) {
exp--;
ret *= base;
}
return ret;
}
f32 func_800CA720(f32 arg0) {
return sins((s16)(arg0 * (32767.0f / M_PI))) * SHT_MINV;
f32 Math_SinF(f32 angle) {
return sins((s16)(angle * (32767.0f / M_PI))) * SHT_MINV;
}
f32 func_800CA774(f32 arg0) {
return coss((s16)(arg0 * (32767.0f / M_PI))) * SHT_MINV;
f32 Math_CosF(f32 angle) {
return coss((s16)(angle * (32767.0f / M_PI))) * SHT_MINV;
}