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Does a lot of work towards the PIT

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Added a math library, with clamp and POW.
added printf support for printing doubles
added a few helper functions in PIT for calcaulting the time in seconds of a clock cycle based on divisor
This commit is contained in:
Nathan Singer
2025-06-06 22:01:18 -04:00
parent 378f7ef23d
commit f9c2ea2f2b
10 changed files with 215 additions and 0 deletions
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13
libc/include/math.h Normal file
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@ -0,0 +1,13 @@
#include <stdint.h>
#ifndef MATH_H
#define MATH_H
int pow(int base, int exp);
uint8_t clamp_u8(uint8_t val, uint8_t min, uint8_t max);
uint16_t clamp_u16(uint16_t val, uint16_t min, uint16_t max);
uint32_t clamp_u32(uint32_t val, uint32_t min, uint32_t max);
uint64_t clamp_u64(uint64_t val, uint64_t min, uint64_t max);
#endif

2
libc/include/stdlib.h
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@ -20,5 +20,7 @@ char* u8toa(uint8_t num, char* buf, int base);
char* itoa(int num, char* buf, int base);
char* utoa(unsigned int num, char* buf, int base);
char* dtoa(double n, char* buf, int afterpoint);
#endif