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put utility in namespace

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This commit is contained in:
a1xd 2021-03-30 18:26:20 -04:00
parent 11045335c1
commit 4456e2bc8b
2 changed files with 38 additions and 31 deletions
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45
common/utility.hpp
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@ -1,42 +1,49 @@
#pragma once #pragma once
#ifdef _MANAGED #ifdef _MANAGED
#include <math.h> #include <math.h>
inline double sqrtsd(double val) { return sqrt(val); }
#else #else
#include <emmintrin.h> #include <emmintrin.h>
inline double sqrtsd(double val) { #endif
namespace rawaccel {
#ifdef _MANAGED
inline double sqrtsd(double val) { return sqrt(val); }
#else
inline double sqrtsd(double val) {
__m128d src = _mm_load_sd(&val); __m128d src = _mm_load_sd(&val);
__m128d dst = _mm_sqrt_sd(src, src); __m128d dst = _mm_sqrt_sd(src, src);
_mm_store_sd(&val, dst); _mm_store_sd(&val, dst);
return val; return val;
} }
#endif #endif
inline constexpr double minsd(double a, double b) { constexpr double minsd(double a, double b)
{
return (a < b) ? a : b; return (a < b) ? a : b;
} }
inline constexpr double maxsd(double a, double b) { constexpr double maxsd(double a, double b)
{
return (b < a) ? a : b; return (b < a) ? a : b;
} }
inline constexpr double clampsd(double v, double lo, double hi) { constexpr double clampsd(double v, double lo, double hi)
{
return minsd(maxsd(v, lo), hi); return minsd(maxsd(v, lo), hi);
} }
// returns the unbiased exponent of x if x is normal // returns the unbiased exponent of x if x is normal
inline int ilogb(double x) inline int ilogb(double x)
{ {
union { double f; unsigned long long i; } u = { x }; union { double f; unsigned long long i; } u = { x };
return static_cast<int>((u.i >> 52) & 0x7ff) - 0x3ff; return static_cast<int>((u.i >> 52) & 0x7ff) - 0x3ff;
} }
inline bool infnan(double x) inline bool infnan(double x)
{ {
return ilogb(x) == 0x400; return ilogb(x) == 0x400;
}
} }

4
driver/driver.cpp
View file

@ -82,7 +82,7 @@ Arguments:
counter_t ticks = now - devExt->counter; counter_t ticks = now - devExt->counter;
devExt->counter = now; devExt->counter = now;
milliseconds time = ticks * global.tick_interval; milliseconds time = ticks * global.tick_interval;
return clampsd(time, global.args.time_min, 100); return ra::clampsd(time, global.args.time_min, 100);
}; };
global.modifier.apply_acceleration(input, time_supplier); global.modifier.apply_acceleration(input, time_supplier);
@ -99,7 +99,7 @@ Arguments:
double carry_x = carried_result_x - out_x; double carry_x = carried_result_x - out_x;
double carry_y = carried_result_y - out_y; double carry_y = carried_result_y - out_y;
if (!infnan(carry_x + carry_y)) { if (!ra::infnan(carry_x + carry_y)) {
devExt->carry.x = carried_result_x - out_x; devExt->carry.x = carried_result_x - out_x;
devExt->carry.y = carried_result_y - out_y; devExt->carry.y = carried_result_y - out_y;
it->LastX = out_x; it->LastX = out_x;