Release 1.0.8

* Better optimizations of dsp::copy and dsp::move for SSE, SSE3 and AVX.
* The function dsp::init() is now thread safe.
* Additional optimization of dsp::normalize() function, added dsp::normalize1()
  and dsp::normalize2() functions.
* Updated build scripts.

Author: sadko4u

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
           printf 'Server = https://geo.mirror.pkgbuild.com/$repo/os/$arch\n%s\n' "$(cat /etc/pacman.d/mirrorlist)" > /etc/pacman.d/mirrorlist
       - name: Install dependencies
         run: pacman --noconfirm -Syu base-devel glibc-debug git valgrind
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Configure project
         run: make config TEST=1
       - name: Fetch project dependencies
@@ -50,7 +50,7 @@ jobs:
           printf 'Server = https://geo.mirror.pkgbuild.com/$repo/os/$arch\n%s\n' "$(cat /etc/pacman.d/mirrorlist)" > /etc/pacman.d/mirrorlist
       - name: Install dependencies
         run: pacman --noconfirm -Syu base-devel glibc-debug git valgrind
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Configure project
         run: make config TEST=1 DEBUG=1
       - name: Fetch project dependencies
@@ -72,7 +72,7 @@ jobs:
     steps:
       - name: Install dependencies
         run: zypper --non-interactive --no-gpg-checks in tar gzip git make valgrind gcc gcc-c++
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Configure project
         run: make config TEST=1
       - name: Fetch project dependencies
@@ -96,7 +96,7 @@ jobs:
         run: apt-get update
       - name: Install dependencies
         run: apt-get -y install git make pkg-config valgrind gcc g++
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Configure project
         run: make config TEST=1
       - name: Fetch project dependencies

CHANGELOG

@@ -2,6 +2,13 @@
 * RECENT CHANGES
 *******************************************************************************
 
+=== 1.0.8 ===
+* Better optimizations of dsp::copy and dsp::move for SSE, SSE3 and AVX.
+* The function dsp::init() is now thread safe.
+* Additional optimization of dsp::normalize() function, added dsp::normalize1()
+  and dsp::normalize2() functions.
+* Updated build scripts.
+
 === 1.0.7 ===
 * Implemented axis_apply_log1 and axis_apply_log2 optimized for AArch64 ASIMD.
 * Implemented fill_rgba and fill_hsla for AArch64 ASIMD.

include/lsp-plug.in/dsp/common/pmath.h

@@ -30,6 +30,7 @@
 #include <lsp-plug.in/dsp/common/pmath/fmop_vv.h>
 #include <lsp-plug.in/dsp/common/pmath/log.h>
 #include <lsp-plug.in/dsp/common/pmath/minmax.h>
+#include <lsp-plug.in/dsp/common/pmath/normalize.h>
 #include <lsp-plug.in/dsp/common/pmath/op_kx.h>
 #include <lsp-plug.in/dsp/common/pmath/op_vv.h>
 #include <lsp-plug.in/dsp/common/pmath/pow.h>

include/lsp-plug.in/dsp/common/pmath/minmax.h

@@ -44,7 +44,7 @@ LSP_DSP_LIB_SYMBOL(void, psmin2, float *dst, const float *src, size_t count);
 
 /**
  * Compute absolute minimum values between two arrays:
- *   dst[i] = (abs(dst[i]) < abs(src[i])) ? dst[i] : src[i]
+ *   dst[i] = (abs(dst[i]) < abs(src[i])) ? abs(dst[i]) : abs(src[i])
  * @param dst destination array
  * @param src source array
  * @param count number of elements in each array
@@ -71,7 +71,7 @@ LSP_DSP_LIB_SYMBOL(void, psmax2, float *dst, const float *src, size_t count);
 
 /**
  * Compute absolute maximum values between two arrays:
- *   dst[i] = (abs(dst[i]) < abs(src[i])) ? src[i] : dst[i]
+ *   dst[i] = (abs(dst[i]) < abs(src[i])) ? abs(src[i]) : abs(dst[i])
  * @param dst destination array
  * @param src source array
  * @param count number of elements in each array
@@ -98,7 +98,7 @@ LSP_DSP_LIB_SYMBOL(void, psmin3, float *dst, const float *a, const float *b, siz
 
 /**
  * Compute absolute minimum values between two arrays:
- *   dst[i] = (abs(a[i]) < abs(b[i])) ? a[i] : b[i]
+ *   dst[i] = (abs(a[i]) < abs(b[i])) ? abs(a[i]) : abs(b[i])
  * @param dst destination array
  * @param src source array
  * @param count number of elements in each array
@@ -116,7 +116,7 @@ LSP_DSP_LIB_SYMBOL(void, pmax3, float *dst, const float *a, const float *b, size
 
 /**
  * Compute maximum values between two arrays with disregarded sign:
- *   dst[i] = (abs(a[i]) < b(src[i])) ? b[i] : a[i]
+ *   dst[i] = (abs(a[i]) < abs(b[i])) ? b[i] : a[i]
  * @param dst destination array
  * @param src source array
  * @param count number of elements in each array
@@ -125,7 +125,7 @@ LSP_DSP_LIB_SYMBOL(void, psmax3, float *dst, const float *a, const float *b, siz
 
 /**
  * Compute absolute minimum values between two arrays:
- *   dst[i] = (abs(a[i]) < abs(b[i])) ? b[i] : a[i]
+ *   dst[i] = (abs(a[i]) < abs(b[i])) ? abs(b[i]) : abs(a[i])
  * @param dst destination array
  * @param src source array
  * @param count number of elements in each array

include/lsp-plug.in/dsp/common/misc.h renamed to include/lsp-plug.in/dsp/common/pmath/normalize.h

@@ -19,8 +19,8 @@
  * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
  */
 
-#ifndef LSP_PLUG_IN_DSP_COMMON_MISC_H_
-#define LSP_PLUG_IN_DSP_COMMON_MISC_H_
+#ifndef LSP_PLUG_IN_DSP_COMMON_PMATH_NORMALIZE_H_
+#define LSP_PLUG_IN_DSP_COMMON_PMATH_NORMALIZE_H_
 
 #include <lsp-plug.in/dsp/common/types.h>
 
@@ -40,4 +40,20 @@ LSP_DSP_LIB_SYMBOL(void, abs_normalized, float *dst, const float *src, size_t co
  */
 LSP_DSP_LIB_SYMBOL(void, normalize, float *dst, const float *src, size_t count);
 
-#endif /* LSP_PLUG_IN_DSP_COMMON_MISC_H_ */
+/** Calculate normalized values: dst[i] = dst[i] / (max { abs{ dst }})
+ *
+ * @param dst destination vector
+ * @param src source vector
+ * @param count number of elements
+ */
+LSP_DSP_LIB_SYMBOL(void, normalize1, float *dst, size_t count);
+
+/** Calculate normalized values: dst[i] = src[i] / (max { abs{ src }})
+ *
+ * @param dst destination vector
+ * @param src source vector
+ * @param count number of elements
+ */
+LSP_DSP_LIB_SYMBOL(void, normalize2, float *dst, const float *src, size_t count);
+
+#endif /* LSP_PLUG_IN_DSP_COMMON_PMATH_NORMALIZE_H_ */

include/lsp-plug.in/dsp/dsp.h

@@ -54,7 +54,6 @@
 #include <lsp-plug.in/dsp/common/float.h>
 #include <lsp-plug.in/dsp/common/graphics.h>
 #include <lsp-plug.in/dsp/common/hmath.h>
-#include <lsp-plug.in/dsp/common/misc.h>
 #include <lsp-plug.in/dsp/common/mix.h>
 #include <lsp-plug.in/dsp/common/msmatrix.h>
 #include <lsp-plug.in/dsp/common/pcomplex.h>

include/lsp-plug.in/dsp/version.h

@@ -25,7 +25,7 @@
 // Define version of headers
 #define LSP_DSP_LIB_MAJOR           1
 #define LSP_DSP_LIB_MINOR           0
-#define LSP_DSP_LIB_MICRO           7
+#define LSP_DSP_LIB_MICRO           8
 
 #if defined(__WINDOWS__) || defined(__WIN32__) || defined(__WIN64__) || defined(_WIN64) || defined(_WIN32) || defined(__WINNT) || defined(__WINNT__)
     #define LSP_DSP_LIB_EXPORT_MODIFIER     __declspec(dllexport)