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Merge pull request #565 from grejppi/master

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move fastPow() to lmms_math.h
This commit is contained in:
Tobias Doerffel
2014-04-05 07:42:52 +02:00
parent b0cdcc639e 6c33b4af80
commit 4455faceb6
4 changed files with 16 additions and 37 deletions
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14
include/lmms_math.h
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@@ -26,6 +26,7 @@
#ifndef _LMMS_MATH_H
#define _LMMS_MATH_H
#include <stdint.h>
#ifdef __INTEL_COMPILER
@@ -106,5 +107,18 @@ static inline int fast_rand()
// source: http://martin.ankerl.com/2007/10/04/optimized-pow-approximation-for-java-and-c-c/
static inline double fastPow( double a, double b )
{
union
{
double d;
int32_t x[2];
} u = { a };
u.x[1] = static_cast<int32_t>( b * ( u.x[1] - 1072632447 ) + 1072632447 );
u.x[0] = 0;
return u.d;
}
#endif

2
plugins/kicker/KickerOsc.h
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@@ -29,7 +29,7 @@
#include "DspEffectLibrary.h"
#include "Oscillator.h"
#include "fastpow.h"
#include "lmms_math.h"
template<class FX = DspEffectLibrary::StereoBypass>

22
plugins/kicker/fastpow.h
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@@ -1,22 +0,0 @@
#ifndef FASTPOW_H
#define FASTPOW_H
#include <stdint.h>
/*
* source:
* http://martin.ankerl.com/2007/10/04/optimized-pow-approximation-for-java-and-c-c/
*/
double fastPow(double a, double b) {
union {
double d;
int32_t x[2];
} u = { a };
u.x[1] = (int32_t)(b * (u.x[1] - 1072632447) + 1072632447);
u.x[0] = 0;
return u.d;
}
#endif

15
plugins/monstro/Monstro.h
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@@ -36,7 +36,7 @@
#include "pixmap_button.h"
#include "combobox.h"
#include "Oscillator.h"
// #include "fastpow.h" // once grejppi's fastpow gets merged
#include "lmms_math.h"
#define makeknob( name, x, y, hint, unit, oname ) \
@@ -153,19 +153,6 @@ const float MAX_FREQ = 48000.0f;
class MonstroInstrument;
class MonstroView;
// use grejppi's once it's merged
inline double fastPow( double a, double b )
{
union
{
double d;
int32_t x[2];
} u = { a };
u.x[1] = static_cast<int32_t>( b * ( u.x[1] - 1072632447 ) + 1072632447 );
u.x[0] = 0;
return u.d;
}
class MonstroSynth
{