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204 lines
12 KiB
204 lines
12 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_FLOATVECTOROPERATIONS_H_INCLUDED
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#define JUCE_FLOATVECTOROPERATIONS_H_INCLUDED
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//==============================================================================
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/**
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A collection of simple vector operations on arrays of floats, accelerated with
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SIMD instructions where possible.
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*/
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class JUCE_API FloatVectorOperations
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{
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public:
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//==============================================================================
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/** Clears a vector of floats. */
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static void JUCE_CALLTYPE clear (float* dest, int numValues) noexcept;
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/** Clears a vector of doubles. */
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static void JUCE_CALLTYPE clear (double* dest, int numValues) noexcept;
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/** Copies a repeated value into a vector of floats. */
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static void JUCE_CALLTYPE fill (float* dest, float valueToFill, int numValues) noexcept;
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/** Copies a repeated value into a vector of doubles. */
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static void JUCE_CALLTYPE fill (double* dest, double valueToFill, int numValues) noexcept;
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/** Copies a vector of floats. */
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static void JUCE_CALLTYPE copy (float* dest, const float* src, int numValues) noexcept;
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/** Copies a vector of doubles. */
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static void JUCE_CALLTYPE copy (double* dest, const double* src, int numValues) noexcept;
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/** Copies a vector of floats, multiplying each value by a given multiplier */
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static void JUCE_CALLTYPE copyWithMultiply (float* dest, const float* src, float multiplier, int numValues) noexcept;
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/** Copies a vector of doubles, multiplying each value by a given multiplier */
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static void JUCE_CALLTYPE copyWithMultiply (double* dest, const double* src, double multiplier, int numValues) noexcept;
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/** Adds a fixed value to the destination values. */
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static void JUCE_CALLTYPE add (float* dest, float amountToAdd, int numValues) noexcept;
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/** Adds a fixed value to the destination values. */
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static void JUCE_CALLTYPE add (double* dest, double amountToAdd, int numValues) noexcept;
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/** Adds a fixed value to each source value and stores it in the destination array. */
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static void JUCE_CALLTYPE add (float* dest, float* src, float amount, int numValues) noexcept;
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/** Adds a fixed value to each source value and stores it in the destination array. */
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static void JUCE_CALLTYPE add (double* dest, double* src, double amount, int numValues) noexcept;
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/** Adds the source values to the destination values. */
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static void JUCE_CALLTYPE add (float* dest, const float* src, int numValues) noexcept;
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/** Adds the source values to the destination values. */
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static void JUCE_CALLTYPE add (double* dest, const double* src, int numValues) noexcept;
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/** Adds each source1 value to the corresponding source2 value and stores the result in the destination array. */
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static void JUCE_CALLTYPE add (float* dest, const float* src1, const float* src2, int num) noexcept;
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/** Adds each source1 value to the corresponding source2 value and stores the result in the destination array. */
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static void JUCE_CALLTYPE add (double* dest, const double* src1, const double* src2, int num) noexcept;
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/** Subtracts the source values from the destination values. */
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static void JUCE_CALLTYPE subtract (float* dest, const float* src, int numValues) noexcept;
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/** Subtracts the source values from the destination values. */
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static void JUCE_CALLTYPE subtract (double* dest, const double* src, int numValues) noexcept;
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/** Subtracts each source2 value from the corresponding source1 value and stores the result in the destination array. */
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static void JUCE_CALLTYPE subtract (float* dest, const float* src1, const float* src2, int num) noexcept;
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/** Subtracts each source2 value from the corresponding source1 value and stores the result in the destination array. */
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static void JUCE_CALLTYPE subtract (double* dest, const double* src1, const double* src2, int num) noexcept;
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/** Multiplies each source value by the given multiplier, then adds it to the destination value. */
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static void JUCE_CALLTYPE addWithMultiply (float* dest, const float* src, float multiplier, int numValues) noexcept;
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/** Multiplies each source value by the given multiplier, then adds it to the destination value. */
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static void JUCE_CALLTYPE addWithMultiply (double* dest, const double* src, double multiplier, int numValues) noexcept;
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/** Multiplies each source1 value by the corresponding source2 value, then adds it to the destination value. */
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static void JUCE_CALLTYPE addWithMultiply (float* dest, const float* src1, const float* src2, int num) noexcept;
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/** Multiplies each source1 value by the corresponding source2 value, then adds it to the destination value. */
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static void JUCE_CALLTYPE addWithMultiply (double* dest, const double* src1, const double* src2, int num) noexcept;
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/** Multiplies the destination values by the source values. */
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static void JUCE_CALLTYPE multiply (float* dest, const float* src, int numValues) noexcept;
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/** Multiplies the destination values by the source values. */
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static void JUCE_CALLTYPE multiply (double* dest, const double* src, int numValues) noexcept;
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/** Multiplies each source1 value by the correspinding source2 value, then stores it in the destination array. */
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static void JUCE_CALLTYPE multiply (float* dest, const float* src1, const float* src2, int numValues) noexcept;
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/** Multiplies each source1 value by the correspinding source2 value, then stores it in the destination array. */
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static void JUCE_CALLTYPE multiply (double* dest, const double* src1, const double* src2, int numValues) noexcept;
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/** Multiplies each of the destination values by a fixed multiplier. */
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static void JUCE_CALLTYPE multiply (float* dest, float multiplier, int numValues) noexcept;
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/** Multiplies each of the destination values by a fixed multiplier. */
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static void JUCE_CALLTYPE multiply (double* dest, double multiplier, int numValues) noexcept;
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/** Multiplies each of the source values by a fixed multiplier and stores the result in the destination array. */
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static void JUCE_CALLTYPE multiply (float* dest, const float* src, float multiplier, int num) noexcept;
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/** Multiplies each of the source values by a fixed multiplier and stores the result in the destination array. */
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static void JUCE_CALLTYPE multiply (double* dest, const double* src, double multiplier, int num) noexcept;
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/** Copies a source vector to a destination, negating each value. */
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static void JUCE_CALLTYPE negate (float* dest, const float* src, int numValues) noexcept;
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/** Copies a source vector to a destination, negating each value. */
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static void JUCE_CALLTYPE negate (double* dest, const double* src, int numValues) noexcept;
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/** Copies a source vector to a destination, taking the absolute of each value. */
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static void JUCE_CALLTYPE abs (float* dest, const float* src, int numValues) noexcept;
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/** Copies a source vector to a destination, taking the absolute of each value. */
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static void JUCE_CALLTYPE abs (double* dest, const double* src, int numValues) noexcept;
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/** Converts a stream of integers to floats, multiplying each one by the given multiplier. */
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static void JUCE_CALLTYPE convertFixedToFloat (float* dest, const int* src, float multiplier, int numValues) noexcept;
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/** Each element of dest will be the minimum of the corresponding element of the source array and the given comp value. */
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static void JUCE_CALLTYPE min (float* dest, const float* src, float comp, int num) noexcept;
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/** Each element of dest will be the minimum of the corresponding element of the source array and the given comp value. */
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static void JUCE_CALLTYPE min (double* dest, const double* src, double comp, int num) noexcept;
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/** Each element of dest will be the minimum of the corresponding source1 and source2 values. */
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static void JUCE_CALLTYPE min (float* dest, const float* src1, const float* src2, int num) noexcept;
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/** Each element of dest will be the minimum of the corresponding source1 and source2 values. */
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static void JUCE_CALLTYPE min (double* dest, const double* src1, const double* src2, int num) noexcept;
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/** Each element of dest will be the maximum of the corresponding element of the source array and the given comp value. */
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static void JUCE_CALLTYPE max (float* dest, const float* src, float comp, int num) noexcept;
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/** Each element of dest will be the maximum of the corresponding element of the source array and the given comp value. */
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static void JUCE_CALLTYPE max (double* dest, const double* src, double comp, int num) noexcept;
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/** Each element of dest will be the maximum of the corresponding source1 and source2 values. */
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static void JUCE_CALLTYPE max (float* dest, const float* src1, const float* src2, int num) noexcept;
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/** Each element of dest will be the maximum of the corresponding source1 and source2 values. */
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static void JUCE_CALLTYPE max (double* dest, const double* src1, const double* src2, int num) noexcept;
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/** Each element of dest is calculated by hard clipping the corresponding src element so that it is in the range specified by the arguments low and high. */
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static void JUCE_CALLTYPE clip (float* dest, const float* src, float low, float high, int num) noexcept;
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/** Each element of dest is calculated by hard clipping the corresponding src element so that it is in the range specified by the arguments low and high. */
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static void JUCE_CALLTYPE clip (double* dest, const double* src, double low, double high, int num) noexcept;
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/** Finds the miniumum and maximum values in the given array. */
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static Range<float> JUCE_CALLTYPE findMinAndMax (const float* src, int numValues) noexcept;
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/** Finds the miniumum and maximum values in the given array. */
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static Range<double> JUCE_CALLTYPE findMinAndMax (const double* src, int numValues) noexcept;
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/** Finds the miniumum value in the given array. */
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static float JUCE_CALLTYPE findMinimum (const float* src, int numValues) noexcept;
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/** Finds the miniumum value in the given array. */
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static double JUCE_CALLTYPE findMinimum (const double* src, int numValues) noexcept;
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/** Finds the maximum value in the given array. */
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static float JUCE_CALLTYPE findMaximum (const float* src, int numValues) noexcept;
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/** Finds the maximum value in the given array. */
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static double JUCE_CALLTYPE findMaximum (const double* src, int numValues) noexcept;
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/** On Intel CPUs, this method enables or disables the SSE flush-to-zero mode.
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Effectively, this is a wrapper around a call to _MM_SET_FLUSH_ZERO_MODE
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*/
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static void JUCE_CALLTYPE enableFlushToZeroMode (bool shouldEnable) noexcept;
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};
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#endif // JUCE_FLOATVECTOROPERATIONS_H_INCLUDED
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