pState: use pState from argument

pState is set to zeros internally even when pState is a non zero array

Source/FilteringFunctions/arm_biquad_cascade_df1_32x64_init_q31.c

@@ -82,9 +82,6 @@ void arm_biquad_cas_df1_32x64_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(q63_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df1_init_f16.c

@@ -87,9 +87,6 @@ void arm_biquad_cascade_df1_init_f16(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(float16_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df1_init_f32.c

@@ -86,9 +86,6 @@ void arm_biquad_cascade_df1_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df1_init_q15.c

@@ -84,9 +84,6 @@ void arm_biquad_cascade_df1_init_q15(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(q15_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df1_init_q31.c

@@ -83,9 +83,6 @@ void arm_biquad_cascade_df1_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(q31_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df2T_init_f16.c

@@ -100,9 +100,6 @@ void arm_biquad_cascade_df2T_init_f16(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 2 * numStages */
-  memset(pState, 0, (2U * (uint32_t) numStages) * sizeof(float16_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df2T_init_f32.c

@@ -202,9 +202,6 @@ void arm_biquad_cascade_df2T_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 2 * numStages */
-  memset(pState, 0, (2U * (uint32_t) numStages) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_df2T_init_f64.c

@@ -73,10 +73,7 @@ void arm_biquad_cascade_df2T_init_f64(
     
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
-    
-    /* Clear state buffer and size is always 2 * numStages */
-    memset(pState, 0, (2U * (uint32_t) numStages) * sizeof(float64_t));
-    
+        
     /* Assign state pointer */
     S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_init_f16.c

@@ -76,9 +76,6 @@ void arm_biquad_cascade_stereo_df2T_init_f16(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(float16_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_init_f32.c

@@ -74,9 +74,6 @@ void arm_biquad_cascade_stereo_df2T_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always 4 * numStages */
-  memset(pState, 0, (4U * (uint32_t) numStages) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_decimate_init_f32.c

@@ -84,9 +84,6 @@ arm_status arm_fir_decimate_init_f32(
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
 
-    /* Clear the state buffer. The size is always (blockSize + numTaps - 1) */
-    memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(float32_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_decimate_init_q15.c

@@ -85,9 +85,6 @@ arm_status arm_fir_decimate_init_q15(
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
 
-    /* Clear the state buffer. The size is always (blockSize + numTaps - 1) */
-    memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q15_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_decimate_init_q31.c

@@ -84,9 +84,6 @@ arm_status arm_fir_decimate_init_q31(
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
 
-    /* Clear the state buffer. The size is always (blockSize + numTaps - 1) */
-    memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q31_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_init_f16.c

@@ -87,13 +87,6 @@ void arm_fir_init_f16(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer. The size is always (blockSize + numTaps - 1) */
-#if defined(ARM_MATH_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE)
-  memset(pState, 0, (numTaps + (blockSize - 1U) + ROUND_UP(blockSize, 8)) * sizeof(float16_t));
-#else
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(float16_t));
-#endif 
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_init_f32.c

@@ -84,12 +84,6 @@ void arm_fir_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer. The size is always (blockSize + numTaps - 1) */
-#if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE)
-  memset(pState, 0, (numTaps + (blockSize - 1U) + blockSize) * sizeof(float32_t));
-#else
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(float32_t));
-#endif
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_init_f64.c

@@ -73,8 +73,6 @@ void arm_fir_init_f64(
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
     
-    /* Clear state buffer. The size is always (blockSize + numTaps - 1) */
-    memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(float64_t));
     /* Assign state pointer */
     S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_init_q15.c

@@ -107,9 +107,6 @@ arm_status arm_fir_init_q15(
     /* Assign coefficient pointer */
     S->pCoeffs = pCoeffs;
 
-    /* Clear the state buffer.  The size is always (blockSize + numTaps ) */
-    memset(pState, 0, (numTaps + (blockSize)) * sizeof(q15_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_init_q31.c

@@ -84,13 +84,6 @@ void arm_fir_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer. The size is always (blockSize + numTaps - 1) */
-  #if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
-  memset(pState, 0, (numTaps + (blockSize - 1U) + 2*ROUND_UP(blockSize, 4)) * sizeof(q31_t));
-  #else
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q31_t));
-  #endif
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_init_q7.c

@@ -78,9 +78,6 @@ void arm_fir_init_q7(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer. The size is always (blockSize + numTaps - 1) */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q7_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_interpolate_init_f32.c

@@ -89,9 +89,6 @@ arm_status arm_fir_interpolate_init_f32(
     /* Assign polyPhaseLength */
     S->phaseLength = numTaps / L;
 
-    /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */
-    memset(pState, 0, (blockSize + ((uint32_t) S->phaseLength - 1U)) * sizeof(float32_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_interpolate_init_q15.c

@@ -89,9 +89,6 @@ arm_status arm_fir_interpolate_init_q15(
     /* Assign polyPhaseLength */
     S->phaseLength = numTaps / L;
 
-    /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */
-    memset(pState, 0, (blockSize + ((uint32_t) S->phaseLength - 1U)) * sizeof(q15_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_interpolate_init_q31.c

@@ -88,9 +88,6 @@ arm_status arm_fir_interpolate_init_q31(
     /* Assign polyPhaseLength */
     S->phaseLength = numTaps / L;
 
-    /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */
-    memset(pState, 0, (blockSize + ((uint32_t) S->phaseLength - 1U)) * sizeof(q31_t));
-
     /* Assign state pointer */
     S->pState = pState;
 

Source/FilteringFunctions/arm_fir_lattice_init_f32.c

@@ -58,9 +58,6 @@ void arm_fir_lattice_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always numStages */
-  memset(pState, 0, (numStages) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_lattice_init_q15.c

@@ -58,9 +58,6 @@ void arm_fir_lattice_init_q15(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always numStages */
-  memset(pState, 0, (numStages) * sizeof(q15_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_lattice_init_q31.c

@@ -58,9 +58,6 @@ void arm_fir_lattice_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always numStages */
-  memset(pState, 0, (numStages) * sizeof(q31_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_sparse_init_f32.c

@@ -81,9 +81,6 @@ void arm_fir_sparse_init_f32(
   /* reset the stateIndex to 0 */
   S->stateIndex = 0U;
 
-  /* Clear state buffer and size is always maxDelay + blockSize */
-  memset(pState, 0, (maxDelay + blockSize) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_sparse_init_q15.c

@@ -81,9 +81,6 @@ void arm_fir_sparse_init_q15(
   /* reset the stateIndex to 0 */
   S->stateIndex = 0U;
 
-  /* Clear state buffer and size is always maxDelay + blockSize */
-  memset(pState, 0, (maxDelay + blockSize) * sizeof(q15_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_sparse_init_q31.c

@@ -80,9 +80,6 @@ void arm_fir_sparse_init_q31(
   /* reset the stateIndex to 0 */
   S->stateIndex = 0U;
 
-  /* Clear state buffer and size is always maxDelay + blockSize */
-  memset(pState, 0, (maxDelay + blockSize) * sizeof(q31_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_fir_sparse_init_q7.c

@@ -81,9 +81,6 @@ void arm_fir_sparse_init_q7(
   /* reset the stateIndex to 0 */
   S->stateIndex = 0U;
 
-  /* Clear state buffer and size is always maxDelay + blockSize */
-  memset(pState, 0, (maxDelay + blockSize) * sizeof(q7_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_iir_lattice_init_f32.c

@@ -65,9 +65,6 @@ void arm_iir_lattice_init_f32(
   /* Assign ladder coefficient pointer */
   S->pvCoeffs = pvCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numStages */
-  memset(pState, 0, (numStages + blockSize) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_iir_lattice_init_q15.c

@@ -65,9 +65,6 @@ void arm_iir_lattice_init_q15(
   /* Assign ladder coefficient pointer */
   S->pvCoeffs = pvCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numStages */
-  memset(pState, 0, (numStages + blockSize) * sizeof(q15_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_iir_lattice_init_q31.c

@@ -65,9 +65,6 @@ void arm_iir_lattice_init_q31(
   /* Assign ladder coefficient pointer */
   S->pvCoeffs = pvCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numStages */
-  memset(pState, 0, (numStages + blockSize) * sizeof(q31_t));
-
   /* Assign state pointer */
   S->pState = pState;
 }

Source/FilteringFunctions/arm_lms_init_f32.c

@@ -66,9 +66,6 @@ void arm_lms_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps */
-  memset(pState, 0, (numTaps + (blockSize - 1)) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 

Source/FilteringFunctions/arm_lms_init_q15.c

@@ -74,9 +74,6 @@ void arm_lms_init_q15(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps - 1 */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q15_t));
-
   /* Assign state pointer */
   S->pState = pState;
 

Source/FilteringFunctions/arm_lms_init_q31.c

@@ -74,9 +74,6 @@ void arm_lms_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps - 1 */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q31_t));
-
   /* Assign state pointer */
   S->pState = pState;
 

Source/FilteringFunctions/arm_lms_norm_init_f32.c

@@ -71,9 +71,6 @@ void arm_lms_norm_init_f32(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps - 1 */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(float32_t));
-
   /* Assign state pointer */
   S->pState = pState;
 

Source/FilteringFunctions/arm_lms_norm_init_q15.c

@@ -71,9 +71,6 @@ void arm_lms_norm_init_q15(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps - 1 */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q15_t));
-
   /* Assign post Shift value applied to coefficients */
   S->postShift = postShift;
 

Source/FilteringFunctions/arm_lms_norm_init_q31.c

@@ -70,9 +70,6 @@ void arm_lms_norm_init_q31(
   /* Assign coefficient pointer */
   S->pCoeffs = pCoeffs;
 
-  /* Clear state buffer and size is always blockSize + numTaps - 1 */
-  memset(pState, 0, (numTaps + (blockSize - 1U)) * sizeof(q31_t));
-
   /* Assign post Shift value applied to coefficients */
   S->postShift = postShift;