Correction of issue #93

Const qualifier in interpolation functions

Include/dsp/interpolation_functions.h

@@ -55,7 +55,7 @@ extern "C"
           uint32_t nValues;           /**< nValues */
           float32_t x1;               /**< x1 */
           float32_t xSpacing;         /**< xSpacing */
-          float32_t *pYData;          /**< pointer to the table of Y values */
+          const float32_t *pYData;          /**< pointer to the table of Y values */
   } arm_linear_interp_instance_f32;
 
   /**
@@ -65,7 +65,7 @@ extern "C"
   {
           uint16_t numRows;   /**< number of rows in the data table. */
           uint16_t numCols;   /**< number of columns in the data table. */
-          float32_t *pData;   /**< points to the data table. */
+          const float32_t *pData;   /**< points to the data table. */
   } arm_bilinear_interp_instance_f32;
 
    /**
@@ -75,7 +75,7 @@ extern "C"
   {
           uint16_t numRows;   /**< number of rows in the data table. */
           uint16_t numCols;   /**< number of columns in the data table. */
-          q31_t *pData;       /**< points to the data table. */
+          const q31_t *pData;       /**< points to the data table. */
   } arm_bilinear_interp_instance_q31;
 
    /**
@@ -85,7 +85,7 @@ extern "C"
   {
           uint16_t numRows;   /**< number of rows in the data table. */
           uint16_t numCols;   /**< number of columns in the data table. */
-          q15_t *pData;       /**< points to the data table. */
+          const q15_t *pData;       /**< points to the data table. */
   } arm_bilinear_interp_instance_q15;
 
    /**
@@ -95,7 +95,7 @@ extern "C"
   {
           uint16_t numRows;   /**< number of rows in the data table. */
           uint16_t numCols;   /**< number of columns in the data table. */
-          q7_t *pData;        /**< points to the data table. */
+          const q7_t *pData;        /**< points to the data table. */
   } arm_bilinear_interp_instance_q7;
 
 

Include/dsp/interpolation_functions_f16.h

@@ -45,7 +45,7 @@ typedef struct
     uint32_t  nValues;        /**< nValues */
     float16_t x1;             /**< x1 */
     float16_t xSpacing;       /**< xSpacing */
-    float16_t *pYData;        /**< pointer to the table of Y values */
+    const float16_t *pYData;        /**< pointer to the table of Y values */
 } arm_linear_interp_instance_f16;
 
 /**
@@ -55,7 +55,7 @@ typedef struct
 {
     uint16_t  numRows;/**< number of rows in the data table. */
     uint16_t  numCols;/**< number of columns in the data table. */
-    float16_t *pData; /**< points to the data table. */
+    const float16_t *pData; /**< points to the data table. */
 } arm_bilinear_interp_instance_f16;
 
   /**

Source/InterpolationFunctions/arm_bilinear_interp_f16.c

@@ -57,7 +57,7 @@
   {
     float16_t out;
     float16_t f00, f01, f10, f11;
-    float16_t *pData = S->pData;
+    const float16_t *pData = S->pData;
     int32_t xIndex, yIndex, index;
     float16_t xdiff, ydiff;
     float16_t b1, b2, b3, b4;

Source/InterpolationFunctions/arm_bilinear_interp_f32.c

@@ -51,7 +51,7 @@
    *   {
    *     uint16_t numRows;
    *     uint16_t numCols;
-   *     float32_t *pData;
+   *     const float32_t *pData;
    * } arm_bilinear_interp_instance_f32;
    * </pre>
    *
@@ -105,7 +105,7 @@
   {
     float32_t out;
     float32_t f00, f01, f10, f11;
-    float32_t *pData = S->pData;
+    const float32_t *pData = S->pData;
     int32_t xIndex, yIndex, index;
     float32_t xdiff, ydiff;
     float32_t b1, b2, b3, b4;

Source/InterpolationFunctions/arm_bilinear_interp_q15.c

@@ -54,7 +54,7 @@
     q15_t x1, x2, y1, y2;                        /* Nearest output values */
     q31_t xfract, yfract;                        /* X, Y fractional parts */
     int32_t rI, cI;                              /* Row and column indices */
-    q15_t *pYData = S->pData;                    /* pointer to output table values */
+    const q15_t *pYData = S->pData;                    /* pointer to output table values */
     uint32_t nCols = S->numCols;                 /* num of rows */
 
     /* Input is in 12.20 format */

Source/InterpolationFunctions/arm_bilinear_interp_q31.c

@@ -55,7 +55,7 @@
     q31_t xfract, yfract;                        /* X, Y fractional parts */
     q31_t x1, x2, y1, y2;                        /* Nearest output values */
     int32_t rI, cI;                              /* Row and column indices */
-    q31_t *pYData = S->pData;                    /* pointer to output table values */
+    const q31_t *pYData = S->pData;                    /* pointer to output table values */
     uint32_t nCols = S->numCols;                 /* num of rows */
 
     /* Input is in 12.20 format */

Source/InterpolationFunctions/arm_bilinear_interp_q7.c

@@ -55,7 +55,7 @@
     q31_t xfract, yfract;                        /* X, Y fractional parts */
     q7_t x1, x2, y1, y2;                         /* Nearest output values */
     int32_t rI, cI;                              /* Row and column indices */
-    q7_t *pYData = S->pData;                     /* pointer to output table values */
+    const q7_t *pYData = S->pData;                     /* pointer to output table values */
     uint32_t nCols = S->numCols;                 /* num of rows */
 
     /* Input is in 12.20 format */

Source/InterpolationFunctions/arm_linear_interp_f16.c

@@ -57,7 +57,7 @@
     float16_t y0, y1;                            /* Nearest output values */
     float16_t xSpacing = S->xSpacing;            /* spacing between input values */
     int32_t i;                                   /* Index variable */
-    float16_t *pYData = S->pYData;               /* pointer to output table */
+    const float16_t *pYData = S->pYData;               /* pointer to output table */
 
     /* Calculation of index */
     i = (int32_t) (((_Float16)x - (_Float16)S->x1) / (_Float16)xSpacing);

Source/InterpolationFunctions/arm_linear_interp_f32.c

@@ -85,7 +85,7 @@
     float32_t y0, y1;                            /* Nearest output values */
     float32_t xSpacing = S->xSpacing;            /* spacing between input values */
     int32_t i;                                   /* Index variable */
-    float32_t *pYData = S->pYData;               /* pointer to output table */
+    const float32_t *pYData = S->pYData;               /* pointer to output table */
 
     /* Calculation of index */
     i = (int32_t) ((x - S->x1) / xSpacing);

Testing/cmsis_build/runall.py

@@ -167,7 +167,12 @@ for t in tests:
 #("StatsTestsF32","../Output.pickle")
 #]
 
-allSuites=[("DistanceTestsF32","../Output.pickle")]
+allSuites=[("InterpolationTestsF32","../Output.pickle"),
+("InterpolationTestsQ31","../Output.pickle"),
+("InterpolationTestsQ15","../Output.pickle"),
+("InterpolationTestsQ7","../Output.pickle"),
+("InterpolationTestsF16","../Output_f16.pickle"),
+]
 
 #allSuites=[("StatsTestsQ7","../Output.pickle")]
 
@@ -201,18 +206,19 @@ solutions={
     ]
 }
 
-solutions={
-    'testac6.csolution.yml':[
-    #  ("VHT-Corstone-310","CS310"),
-      ("VHT-Corstone-300","CS300")
-    ],
-    'testgcc.csolution.yml':[
-      #("VHT-Corstone-310","CS310"),
-      #("VHT_M55","M55"),
-      ##("VHT_M33","M33_DSP_FP"),
-      ("VHT_M7","M7DP"),
-    ]
-}
+# Override previous solutions for more restricted testing.
+#solutions={
+#    'testac6.csolution.yml':[
+#    #  ("VHT-Corstone-310","CS310"),
+#      ("VHT-Corstone-300","CS300")
+#    ],
+#    'testgcc.csolution.yml':[
+#      #("VHT-Corstone-310","CS310"),
+#      #("VHT_M55","M55"),
+#      ##("VHT_M33","M33_DSP_FP"),
+#      ("VHT_M7","M7DP"),
+#    ]
+#}
 
 HTMLHEADER="""<html>
 <header>

Testing/cmsis_build/test.Release+VHT-Corstone-300.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:44" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:34:32" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT-Corstone-310.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M0P.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M23.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M3.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M33.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M4.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M55.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M7.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:51" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:42:04" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>

Testing/cmsis_build/test.Release+VHT_M7_UNROLLED.cprj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <cprj schemaVersion="1.0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="CPRJ.xsd">
-  <created timestamp="2023-02-15T07:28:44" tool="csolution 1.4.0"/>
+  <created timestamp="2023-03-09T07:34:32" tool="csolution 1.4.0"/>
 
   <info isLayer="false">
     <description>Automatically generated project</description>