You've already forked Microtransactions64
mirror of
https://github.com/Print-and-Panic/Microtransactions64.git
synced 2026-01-21 10:17:19 -08:00
b8f770ae48
* removed extraneous mat stack index decrement in geo_process_camera (#708) * Fixed typo in FCR enums (#707) * v2.1.1 --------- Co-authored-by: Matt Pharoah <mtpharoah@gmail.com>
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
#ifndef GAME_FLOAT_H
|
|
#define GAME_FLOAT_H
|
|
|
|
#include "types.h"
|
|
|
|
typedef enum {
|
|
FCR_RM_ROUND_TO_NEAREST = 0x0,
|
|
FCR_RM_ROUND_TO_ZERO = 0x1,
|
|
FCR_RM_ROUND_TO_POSITIVE_INFINITY = 0x2,
|
|
FCR_RM_ROUND_TO_MINUS_INFINITY = 0x3
|
|
} FloatRoundingMode;
|
|
|
|
typedef enum {
|
|
FCR_EXCEPTION_INEXACT_OPERATION = 0x1,
|
|
FCR_EXCEPTION_UNDERFLOW = 0x2,
|
|
FCR_EXCEPTION_OVERFLOW = 0x4,
|
|
FCR_EXCEPTION_DIVISION_BY_ZERO = 0x8,
|
|
FCR_EXCEPTION_INVALID_OPERATION = 0x10,
|
|
FCR_EXCEPTION_UNIMPLEMENTED_OPERATION = 0x20 // only for Cause bits
|
|
} FloatExceptionBits;
|
|
|
|
extern FloatRoundingMode fcr_get_rounding_mode(void);
|
|
extern void fcr_set_rounding_mode(FloatRoundingMode);
|
|
|
|
// Get the Enable bits in FCR31
|
|
extern FloatExceptionBits fcr_get_enabled_exceptions(void);
|
|
|
|
// Set the Enable bits in FCR31 to the given bitset
|
|
// NOTE: Ares is currently the only emulator to actually respect the Enable bits.
|
|
// Floating point exceptions will still not occur on other emulators.
|
|
extern void fcr_set_enabled_exceptions(FloatExceptionBits);
|
|
|
|
// Set the Enable bits to 1 for the given exception(s). Do not change any other exceptions.
|
|
// NOTE: Ares is currently the only emulator to actually respect the Enable bits.
|
|
// Floating point exceptions will still not occur on other emulators.
|
|
extern void fcr_enable_exceptions(FloatExceptionBits);
|
|
|
|
// Set the Enable bits to 0 for the given exception(s). Do not change any other exceptions.
|
|
extern void fcr_disable_exceptions(FloatExceptionBits);
|
|
|
|
// Returns TRUE if all of the given exceptions are enabled
|
|
inline Bool32 fcr_check_exceptions_enabled(FloatExceptionBits exceptions) {
|
|
return (fcr_get_enabled_exceptions() & exceptions) == exceptions;
|
|
}
|
|
|
|
// Gets the exception(s) raised by the most recently executed floating point instruction
|
|
extern FloatExceptionBits fcr_get_cause(void);
|
|
|
|
// Gets the current exception flags. These flags are set when an exception would be raised,
|
|
// but the exception is not currently enabled. They are only cleared by calling fcr_clear_flags.
|
|
// NOTE: This currently will only work on console and Ares. Other emulators will always return 0
|
|
extern FloatExceptionBits fcr_get_flags(void);
|
|
|
|
// Clear the current exception flags
|
|
extern void fcr_clear_flags(void);
|
|
|
|
#endif
|
|
|