Implemented axis_apply_lin1 function.

CHANGELOG

@@ -4,6 +4,7 @@
 
 === 1.0.17 ===
 * Implemented sqr1, sqr2, ssqr1 and ssqr2 functions.
+* Implemented axis_apply_lin1 function.
 
 === 1.0.16 ===
 * Fixed improper AVX-512 detection which causes crash for several functions.

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

@@ -53,6 +53,16 @@ typedef struct LSP_DSP_LIB_TYPE(hsla_light_eff_t)
 
 LSP_DSP_LIB_END_NAMESPACE
 
+/** Do linear vector apply for 1D-schema:
+ *  x[i] = x[i] + norm_x * (v[i] + zero)
+ *
+ * @param x destination vector for X coordinate
+ * @param v delta vector to apply
+ * @param zero graphics zero point shift
+ * @param norm_x X norming factor
+ */
+LSP_DSP_LIB_SYMBOL(void, axis_apply_lin1, float *x, const float *v, float zero, float norm_x, size_t count);
+
 /** Do logarithmic vector apply for 1D-schema:
  *  x[i] = x[i] + norm_x * logf(absf(v[i]*zero))
  *

include/private/dsp/arch/generic/graphics.h

@@ -32,6 +32,15 @@ namespace lsp
 {
     namespace generic
     {
+        void axis_apply_lin1(float *x, const float *v, float zero, float norm_x, size_t count)
+        {
+            for (size_t i=0; i<count; ++i)
+            {
+                float vec   = v[i];
+                x[i]       += norm_x * (vec + zero);
+            }
+        }
+
         void axis_apply_log2(float *x, float *y, const float *v, float zero, float norm_x, float norm_y, size_t count)
         {
             for (size_t i=0; i<count; ++i)

src/main/generic/generic.cpp

@@ -382,6 +382,7 @@ namespace lsp
             EXPORT1(matched_transform_x4);
             EXPORT1(matched_transform_x8);
 
+            EXPORT1(axis_apply_lin1);
             EXPORT1(axis_apply_log1);
             EXPORT1(axis_apply_log2);
             EXPORT1(rgba32_to_bgra32);