@ -22,10 +22,13 @@
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/ */
# if JUCE_USE_SSE_INTRINSICS
namespace FloatVectorHelpers namespace FloatVectorHelpers
{ {
# define JUCE_INCREMENT_SRC_DEST dest += 4; src += 4;
# define JUCE_INCREMENT_DEST dest += 4;
# if JUCE_USE_SSE_INTRINSICS
static bool sse2Present = false ; static bool sse2Present = false ;
static bool isSSE2Available ( ) noexcept static bool isSSE2Available ( ) noexcept
@ -44,7 +47,6 @@ namespace FloatVectorHelpers
static inline float findMinimumOrMaximum ( const float * src , int num , const bool isMinimum ) noexcept static inline float findMinimumOrMaximum ( const float * src , int num , const bool isMinimum ) noexcept
{ {
# if JUCE_USE_SSE_INTRINSICS
const int numLongOps = num / 4 ; const int numLongOps = num / 4 ;
if ( numLongOps > 1 & & FloatVectorHelpers : : isSSE2Available ( ) ) if ( numLongOps > 1 & & FloatVectorHelpers : : isSSE2Available ( ) )
@ -90,12 +92,10 @@ namespace FloatVectorHelpers
return localVal ; return localVal ;
} }
# endif
return isMinimum ? juce : : findMinimum ( src , num ) return isMinimum ? juce : : findMinimum ( src , num )
: juce : : findMaximum ( src , num ) ; : juce : : findMaximum ( src , num ) ;
} }
}
# define JUCE_BEGIN_SSE_OP \ # define JUCE_BEGIN_SSE_OP \
if ( FloatVectorHelpers : : isSSE2Available ( ) ) \
if ( FloatVectorHelpers : : isSSE2Available ( ) ) \
@ -116,9 +116,6 @@ namespace FloatVectorHelpers
increment ; \
increment ; \
} }
# define JUCE_INCREMENT_SRC_DEST dest += 4; src += 4;
# define JUCE_INCREMENT_DEST dest += 4;
# define JUCE_LOAD_NONE(srcLoad, dstLoad) # define JUCE_LOAD_NONE(srcLoad, dstLoad)
# define JUCE_LOAD_DEST(srcLoad, dstLoad) const __m128 d = dstLoad (dest); # define JUCE_LOAD_DEST(srcLoad, dstLoad) const __m128 d = dstLoad (dest);
# define JUCE_LOAD_SRC(srcLoad, dstLoad) const __m128 s = srcLoad (src); # define JUCE_LOAD_SRC(srcLoad, dstLoad) const __m128 s = srcLoad (src);
@ -145,11 +142,92 @@ namespace FloatVectorHelpers
JUCE_FINISH_SSE_OP ( normalOp ) JUCE_FINISH_SSE_OP ( normalOp )
//==============================================================================
# elif JUCE_USE_ARM_NEON
static inline float findMinimumOrMaximum ( const float * src , int num , const bool isMinimum ) noexcept
{
const int numLongOps = num / 4 ;
if ( numLongOps > 1 )
{
float32x4_t val ;
# define JUCE_MINIMUMMAXIMUM_NEON_LOOP(loadOp, minMaxOp) \
val = loadOp ( src ) ; \
src + = 4 ; \
for ( int i = 1 ; i < numLongOps ; + + i ) \
{ \
const float32x4_t s = loadOp ( src ) ; \
val = minMaxOp ( val , s ) ; \
src + = 4 ; \
}
if ( isMinimum ) { JUCE_MINIMUMMAXIMUM_NEON_LOOP ( vld1q_f32 , vminq_f32 ) }
else { JUCE_MINIMUMMAXIMUM_NEON_LOOP ( vld1q_f32 , vmaxq_f32 ) }
float localVal ;
{
float vals [ 4 ] ;
vst1q_f32 ( vals , val ) ;
localVal = isMinimum ? jmin ( vals [ 0 ] , vals [ 1 ] , vals [ 2 ] , vals [ 3 ] )
: jmax ( vals [ 0 ] , vals [ 1 ] , vals [ 2 ] , vals [ 3 ] ) ;
}
num & = 3 ;
for ( int i = 0 ; i < num ; + + i )
localVal = isMinimum ? jmin ( localVal , src [ i ] )
: jmax ( localVal , src [ i ] ) ;
return localVal ;
}
return isMinimum ? juce : : findMinimum ( src , num )
: juce : : findMaximum ( src , num ) ;
}
# define JUCE_BEGIN_NEON_OP \
const int numLongOps = num / 4 ;
# define JUCE_FINISH_NEON_OP(normalOp) \
num & = 3 ; \
if ( num = = 0 ) return ; \
for ( int i = 0 ; i < num ; + + i ) normalOp ;
# define JUCE_NEON_LOOP(neonOp, srcLoad, dstLoad, dstStore, locals, increment) \
for ( int i = 0 ; i < numLongOps ; + + i ) \
{ \
locals ( srcLoad , dstLoad ) ; \
dstStore ( dest , neonOp ) ; \
increment ; \
}
# define JUCE_LOAD_NONE(srcLoad, dstLoad)
# define JUCE_LOAD_DEST(srcLoad, dstLoad) const float32x4_t d = dstLoad (dest);
# define JUCE_LOAD_SRC(srcLoad, dstLoad) const float32x4_t s = srcLoad (src);
# define JUCE_LOAD_SRC_DEST(srcLoad, dstLoad) const float32x4_t d = dstLoad (dest); const float32x4_t s = srcLoad (src);
# define JUCE_PERFORM_NEON_OP_DEST(normalOp, neonOp, locals) \
JUCE_BEGIN_NEON_OP \
JUCE_NEON_LOOP ( neonOp , dummy , vld1q_f32 , vst1q_f32 , locals , JUCE_INCREMENT_DEST ) \
JUCE_FINISH_NEON_OP ( normalOp )
# define JUCE_PERFORM_NEON_OP_SRC_DEST(normalOp, neonOp, locals) \
JUCE_BEGIN_NEON_OP \
JUCE_NEON_LOOP ( neonOp , vld1q_f32 , vld1q_f32 , vst1q_f32 , locals , JUCE_INCREMENT_SRC_DEST ) \
JUCE_FINISH_NEON_OP ( normalOp )
//==============================================================================
# else # else
# define JUCE_PERFORM_SSE_OP_DEST(normalOp, unused1, unused2) for (int i = 0; i < num; ++i) normalOp; # define JUCE_PERFORM_SSE_OP_DEST(normalOp, unused1, unused2) for (int i = 0; i < num; ++i) normalOp;
# define JUCE_PERFORM_SSE_OP_SRC_DEST(normalOp, sseOp, locals, increment) for (int i = 0; i < num; ++i) normalOp; # define JUCE_PERFORM_SSE_OP_SRC_DEST(normalOp, sseOp, locals, increment) for (int i = 0; i < num; ++i) normalOp;
# endif # endif
}
//==============================================================================
void JUCE_CALLTYPE FloatVectorOperations : : clear ( float * dest , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : clear ( float * dest , int num ) noexcept
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
@ -163,11 +241,13 @@ void JUCE_CALLTYPE FloatVectorOperations::fill (float* dest, float valueToFill,
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
vDSP_vfill ( & valueToFill , dest , 1 , ( size_t ) num ) ; vDSP_vfill ( & valueToFill , dest , 1 , ( size_t ) num ) ;
# elif JUCE_USE_ARM_NEON
const float32x4_t val = vld1q_dup_f32 ( & valueToFill ) ;
JUCE_PERFORM_NEON_OP_DEST ( dest [ i ] = valueToFill , val , JUCE_LOAD_NONE )
# else # else
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS
const __m128 val = _mm_load1_ps ( & valueToFill ) ; const __m128 val = _mm_load1_ps ( & valueToFill ) ;
# endif # endif
JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] = valueToFill , val , JUCE_LOAD_NONE ) JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] = valueToFill , val , JUCE_LOAD_NONE )
# endif # endif
} }
@ -181,41 +261,59 @@ void JUCE_CALLTYPE FloatVectorOperations::copyWithMultiply (float* dest, const f
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
vDSP_vsmul ( src , 1 , & multiplier , dest , 1 , num ) ; vDSP_vsmul ( src , 1 , & multiplier , dest , 1 , num ) ;
# elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] + = src [ i ] , vmulq_n_f32 ( s , multiplier ) , JUCE_LOAD_SRC )
# else # else
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS
const __m128 mult = _mm_load1_ps ( & multiplier ) ; const __m128 mult = _mm_load1_ps ( & multiplier ) ;
# endif # endif
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] = src [ i ] * multiplier , _mm_mul_ps ( mult , s ) ,
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] = src [ i ] * multiplier ,
_mm_mul_ps ( mult , s ) ,
JUCE_LOAD_SRC , JUCE_INCREMENT_SRC_DEST ) JUCE_LOAD_SRC , JUCE_INCREMENT_SRC_DEST )
# endif # endif
} }
void JUCE_CALLTYPE FloatVectorOperations : : add ( float * dest , float amount , int num ) noexcept
{
# if JUCE_USE_ARM_NEON
const float32x4_t amountToAdd = vld1q_dup_f32 ( & amount ) ;
JUCE_PERFORM_NEON_OP_DEST ( dest [ i ] + = amount , vaddq_f32 ( d , amountToAdd ) , JUCE_LOAD_DEST )
# else
# if JUCE_USE_SSE_INTRINSICS
const __m128 amountToAdd = _mm_load1_ps ( & amount ) ;
# endif
JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] + = amount , _mm_add_ps ( d , amountToAdd ) , JUCE_LOAD_DEST )
# endif
}
void JUCE_CALLTYPE FloatVectorOperations : : add ( float * dest , const float * src , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : add ( float * dest , const float * src , int num ) noexcept
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
vDSP_vadd ( src , 1 , dest , 1 , dest , 1 , num ) ; vDSP_vadd ( src , 1 , dest , 1 , dest , 1 , num ) ;
# elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] + = src [ i ] , vaddq_f32 ( d , s ) , JUCE_LOAD_SRC_DEST )
# else # else
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] + = src [ i ] , JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] + = src [ i ] , _mm_add_ps ( d , s ) , JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
_mm_add_ps ( d , s ) ,
JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
# endif # endif
} }
void JUCE_CALLTYPE FloatVectorOperations : : add ( float * dest , float amount , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : subtract ( float * dest , const float * src , int num ) noexcept
{ {
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_VDSP_FRAMEWORK
const __m128 amountToAdd = _mm_load1_ps ( & amount ) ; vDSP_vsub ( src , 1 , dest , 1 , dest , 1 , num ) ;
# elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] - = src [ i ] , vsubq_f32 ( d , s ) , JUCE_LOAD_SRC_DEST )
# else
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] - = src [ i ] , _mm_sub_ps ( d , s ) , JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
# endif # endif
JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] + = amount ,
_mm_add_ps ( d , amountToAdd ) ,
JUCE_LOAD_DEST )
} }
void JUCE_CALLTYPE FloatVectorOperations : : addWithMultiply ( float * dest , const float * src , float multiplier , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : addWithMultiply ( float * dest , const float * src , float multiplier , int num ) noexcept
{ {
# if JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] + = src [ i ] * multiplier ,
vmlaq_n_f32 ( d , s , multiplier ) ,
JUCE_LOAD_SRC_DEST )
# else
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS
const __m128 mult = _mm_load1_ps ( & multiplier ) ; const __m128 mult = _mm_load1_ps ( & multiplier ) ;
# endif # endif
@ -223,16 +321,18 @@ void JUCE_CALLTYPE FloatVectorOperations::addWithMultiply (float* dest, const fl
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] + = src [ i ] * multiplier , JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] + = src [ i ] * multiplier ,
_mm_add_ps ( d , _mm_mul_ps ( mult , s ) ) , _mm_add_ps ( d , _mm_mul_ps ( mult , s ) ) ,
JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST ) JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
# endif
} }
void JUCE_CALLTYPE FloatVectorOperations : : multiply ( float * dest , const float * src , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : multiply ( float * dest , const float * src , int num ) noexcept
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
vDSP_vmul ( src , 1 , dest , 1 , dest , 1 , num ) ; vDSP_vmul ( src , 1 , dest , 1 , dest , 1 , num ) ;
# elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] * = src [ i ] , vmulq_f32 ( d , s ) , JUCE_LOAD_SRC_DEST )
# else # else
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] * = src [ i ] , JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] * = src [ i ] , _mm_mul_ps ( d , s ) , JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
_mm_mul_ps ( d , s ) ,
JUCE_LOAD_SRC_DEST , JUCE_INCREMENT_SRC_DEST )
# endif # endif
} }
@ -240,14 +340,13 @@ void JUCE_CALLTYPE FloatVectorOperations::multiply (float* dest, float multiplie
{ {
# if JUCE_USE_VDSP_FRAMEWORK # if JUCE_USE_VDSP_FRAMEWORK
vDSP_vsmul ( dest , 1 , & multiplier , dest , 1 , num ) ; vDSP_vsmul ( dest , 1 , & multiplier , dest , 1 , num ) ;
# elif JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_DEST ( dest [ i ] * = multiplier , vmulq_n_f32 ( d , multiplier ) , JUCE_LOAD_DEST )
# else # else
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS
const __m128 mult = _mm_load1_ps ( & multiplier ) ; const __m128 mult = _mm_load1_ps ( & multiplier ) ;
# endif # endif
JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] * = multiplier , _mm_mul_ps ( d , mult ) , JUCE_LOAD_DEST )
JUCE_PERFORM_SSE_OP_DEST ( dest [ i ] * = multiplier ,
_mm_mul_ps ( d , mult ) ,
JUCE_LOAD_DEST )
# endif # endif
} }
@ -262,6 +361,11 @@ void FloatVectorOperations::negate (float* dest, const float* src, int num) noex
void JUCE_CALLTYPE FloatVectorOperations : : convertFixedToFloat ( float * dest , const int * src , float multiplier , int num ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : convertFixedToFloat ( float * dest , const int * src , float multiplier , int num ) noexcept
{ {
# if JUCE_USE_ARM_NEON
JUCE_PERFORM_NEON_OP_SRC_DEST ( dest [ i ] = src [ i ] * multiplier ,
vmulq_n_f32 ( vcvtq_f32_s32 ( vld1q_s32 ( src ) ) , multiplier ) ,
JUCE_LOAD_NONE )
# else
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS
const __m128 mult = _mm_load1_ps ( & multiplier ) ; const __m128 mult = _mm_load1_ps ( & multiplier ) ;
# endif # endif
@ -269,6 +373,7 @@ void JUCE_CALLTYPE FloatVectorOperations::convertFixedToFloat (float* dest, cons
JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] = src [ i ] * multiplier , JUCE_PERFORM_SSE_OP_SRC_DEST ( dest [ i ] = src [ i ] * multiplier ,
_mm_mul_ps ( mult , _mm_cvtepi32_ps ( _mm_loadu_si128 ( ( const __m128i * ) src ) ) ) , _mm_mul_ps ( mult , _mm_cvtepi32_ps ( _mm_loadu_si128 ( ( const __m128i * ) src ) ) ) ,
JUCE_LOAD_NONE , JUCE_INCREMENT_SRC_DEST ) JUCE_LOAD_NONE , JUCE_INCREMENT_SRC_DEST )
# endif
} }
void JUCE_CALLTYPE FloatVectorOperations : : findMinAndMax ( const float * src , int num , float & minResult , float & maxResult ) noexcept void JUCE_CALLTYPE FloatVectorOperations : : findMinAndMax ( const float * src , int num , float & minResult , float & maxResult ) noexcept
@ -315,6 +420,51 @@ void JUCE_CALLTYPE FloatVectorOperations::findMinAndMax (const float* src, int n
localMax = jmax ( localMax , s ) ; localMax = jmax ( localMax , s ) ;
} }
minResult = localMin ;
maxResult = localMax ;
return ;
}
# elif JUCE_USE_ARM_NEON
const int numLongOps = num / 4 ;
if ( numLongOps > 1 )
{
float32x4_t mn , mx ;
# define JUCE_MINMAX_NEON_LOOP(loadOp) \
mn = loadOp ( src ) ; \
mx = mn ; \
src + = 4 ; \
for ( int i = 1 ; i < numLongOps ; + + i ) \
{ \
const float32x4_t s = loadOp ( src ) ; \
mn = vminq_f32 ( mn , s ) ; \
mx = vmaxq_f32 ( mx , s ) ; \
src + = 4 ; \
}
JUCE_MINMAX_NEON_LOOP ( vld1q_f32 ) ;
float localMin , localMax ;
{
float mns [ 4 ] , mxs [ 4 ] ;
vst1q_f32 ( mns , mn ) ;
vst1q_f32 ( mxs , mx ) ;
localMin = jmin ( mns [ 0 ] , mns [ 1 ] , mns [ 2 ] , mns [ 3 ] ) ;
localMax = jmax ( mxs [ 0 ] , mxs [ 1 ] , mxs [ 2 ] , mxs [ 3 ] ) ;
}
num & = 3 ;
for ( int i = 0 ; i < num ; + + i )
{
const float s = src [ i ] ;
localMin = jmin ( localMin , s ) ;
localMax = jmax ( localMax , s ) ;
}
minResult = localMin ; minResult = localMin ;
maxResult = localMax ; maxResult = localMax ;
return ; return ;
@ -326,7 +476,7 @@ void JUCE_CALLTYPE FloatVectorOperations::findMinAndMax (const float* src, int n
float JUCE_CALLTYPE FloatVectorOperations : : findMinimum ( const float * src , int num ) noexcept float JUCE_CALLTYPE FloatVectorOperations : : findMinimum ( const float * src , int num ) noexcept
{ {
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON
return FloatVectorHelpers : : findMinimumOrMaximum ( src , num , true ) ; return FloatVectorHelpers : : findMinimumOrMaximum ( src , num , true ) ;
# else # else
return juce : : findMinimum ( src , num ) ; return juce : : findMinimum ( src , num ) ;
@ -335,7 +485,7 @@ float JUCE_CALLTYPE FloatVectorOperations::findMinimum (const float* src, int nu
float JUCE_CALLTYPE FloatVectorOperations : : findMaximum ( const float * src , int num ) noexcept float JUCE_CALLTYPE FloatVectorOperations : : findMaximum ( const float * src , int num ) noexcept
{ {
# if JUCE_USE_SSE_INTRINSICS # if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON
return FloatVectorHelpers : : findMinimumOrMaximum ( src , num , false ) ; return FloatVectorHelpers : : findMinimumOrMaximum ( src , num , false ) ;
# else # else
return juce : : findMaximum ( src , num ) ; return juce : : findMaximum ( src , num ) ;
@ -350,3 +500,129 @@ void JUCE_CALLTYPE FloatVectorOperations::enableFlushToZeroMode (bool shouldEnab
# endif # endif
( void ) shouldEnable ; ( void ) shouldEnable ;
} }
//==============================================================================
//==============================================================================
# if JUCE_UNIT_TESTS
class FloatVectorOperationsTests : public UnitTest
{
public :
FloatVectorOperationsTests ( ) : UnitTest ( " FloatVectorOperations " ) { }
void runTest ( )
{
beginTest ( " FloatVectorOperations " ) ;
for ( int i = 100 ; - - i > = 0 ; )
{
const int num = getRandom ( ) . nextInt ( 500 ) + 1 ;
HeapBlock < float > buffer1 ( num + 16 ) , buffer2 ( num + 16 ) ;
HeapBlock < int > buffer3 ( num + 16 ) ;
# if JUCE_ARM
float * const data1 = buffer1 ;
float * const data2 = buffer2 ;
int * const int1 = buffer3 ;
# else
float * const data1 = addBytesToPointer ( buffer1 . getData ( ) , getRandom ( ) . nextInt ( 16 ) ) ;
float * const data2 = addBytesToPointer ( buffer2 . getData ( ) , getRandom ( ) . nextInt ( 16 ) ) ;
int * const int1 = addBytesToPointer ( buffer3 . getData ( ) , getRandom ( ) . nextInt ( 16 ) ) ;
# endif
fillRandomly ( data1 , num ) ;
fillRandomly ( data2 , num ) ;
float mn1 , mx1 , mn2 , mx2 ;
FloatVectorOperations : : findMinAndMax ( data1 , num , mn1 , mx1 ) ;
juce : : findMinAndMax ( data1 , num , mn2 , mx2 ) ;
expect ( mn1 = = mn2 ) ;
expect ( mx1 = = mx2 ) ;
expect ( FloatVectorOperations : : findMinimum ( data1 , num ) = = juce : : findMinimum ( data1 , num ) ) ;
expect ( FloatVectorOperations : : findMaximum ( data1 , num ) = = juce : : findMaximum ( data1 , num ) ) ;
expect ( FloatVectorOperations : : findMinimum ( data2 , num ) = = juce : : findMinimum ( data2 , num ) ) ;
expect ( FloatVectorOperations : : findMaximum ( data2 , num ) = = juce : : findMaximum ( data2 , num ) ) ;
FloatVectorOperations : : clear ( data1 , num ) ;
expect ( areAllValuesEqual ( data1 , num , 0 ) ) ;
FloatVectorOperations : : fill ( data1 , 2.0f , num ) ;
expect ( areAllValuesEqual ( data1 , num , 2.0f ) ) ;
FloatVectorOperations : : add ( data1 , 2.0f , num ) ;
expect ( areAllValuesEqual ( data1 , num , 4.0f ) ) ;
FloatVectorOperations : : copy ( data2 , data1 , num ) ;
expect ( areAllValuesEqual ( data2 , num , 4.0f ) ) ;
FloatVectorOperations : : add ( data2 , data1 , num ) ;
expect ( areAllValuesEqual ( data2 , num , 8.0f ) ) ;
FloatVectorOperations : : copyWithMultiply ( data2 , data1 , 4.0f , num ) ;
expect ( areAllValuesEqual ( data2 , num , 16.0f ) ) ;
FloatVectorOperations : : addWithMultiply ( data2 , data1 , 4.0f , num ) ;
expect ( areAllValuesEqual ( data2 , num , 32.0f ) ) ;
FloatVectorOperations : : multiply ( data1 , 2.0f , num ) ;
expect ( areAllValuesEqual ( data1 , num , 8.0f ) ) ;
FloatVectorOperations : : multiply ( data1 , data2 , num ) ;
expect ( areAllValuesEqual ( data1 , num , 256.0f ) ) ;
FloatVectorOperations : : negate ( data2 , data1 , num ) ;
expect ( areAllValuesEqual ( data2 , num , - 256.0f ) ) ;
FloatVectorOperations : : subtract ( data1 , data2 , num ) ;
expect ( areAllValuesEqual ( data1 , num , 512.0f ) ) ;
fillRandomly ( int1 , num ) ;
FloatVectorOperations : : convertFixedToFloat ( data1 , int1 , 2.0f , num ) ;
convertFixed ( data2 , int1 , 2.0f , num ) ;
expect ( buffersMatch ( data1 , data2 , num ) ) ;
}
}
void fillRandomly ( float * d , int num )
{
while ( - - num > = 0 )
* d + + = getRandom ( ) . nextFloat ( ) * 1000.0f ;
}
void fillRandomly ( int * d , int num )
{
while ( - - num > = 0 )
* d + + = getRandom ( ) . nextInt ( ) ;
}
static void convertFixed ( float * d , const int * s , float multiplier , int num )
{
while ( - - num > = 0 )
* d + + = * s + + * multiplier ;
}
static bool areAllValuesEqual ( const float * d , int num , float target )
{
while ( - - num > = 0 )
if ( * d + + ! = target )
return false ;
return true ;
}
static bool buffersMatch ( const float * d1 , const float * d2 , int num )
{
while ( - - num > = 0 )
if ( std : : abs ( * d1 + + - * d2 + + ) > std : : numeric_limits < float > : : epsilon ( ) )
return false ;
return true ;
}
} ;
static FloatVectorOperationsTests vectorOpTests ;
# endif
asb2m10
11 years ago