diff --git a/dspl/Makefile b/dspl/Makefile
index 68c8465..86717d4 100644
--- a/dspl/Makefile
+++ b/dspl/Makefile
@@ -4,9 +4,60 @@ include ../make.inc
 # C-compiler flags
 CFLAGS  = -c -fPIC -Wall -O3 -I$(INC_DIR) -Isrc -DBUILD_LIB -D$(DEF_OS)
 
-# DSPL src and obj files list
-DSPL_SRC_FILES	= $(wildcard $(DSPL_SRC_DIR)/*.c)
-DSPL_OBJ_FILES	= $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(DSPL_SRC_FILES:.c=.o)))
+# DSPL src list according to pathes
+ARRAY_C         = $(wildcard $(DSPL_SRC_DIR)/array/*.c)
+CONV_C          = $(wildcard $(DSPL_SRC_DIR)/convolution/*.c)
+DFT_C           = $(wildcard $(DSPL_SRC_DIR)/dft/*.c)
+FILTER_C        = $(wildcard $(DSPL_SRC_DIR)/filter_design/*.c)
+GNUPLOT_C       = $(wildcard $(DSPL_SRC_DIR)/gnuplot/*.c)
+INOUT_C         = $(wildcard $(DSPL_SRC_DIR)/inout/*.c)
+MATH_ELLIPJ_C   = $(wildcard $(DSPL_SRC_DIR)/math_ellipj/*.c)
+MATH_MATRIX_C   = $(wildcard $(DSPL_SRC_DIR)/math_matrix/*.c)
+MATH_POLY_C     = $(wildcard $(DSPL_SRC_DIR)/math_poly/*.c)
+MATH_STAT_C     = $(wildcard $(DSPL_SRC_DIR)/math_stat/*.c)
+MATH_STD_C      = $(wildcard $(DSPL_SRC_DIR)/math_std/*.c)
+PSD_C           = $(wildcard $(DSPL_SRC_DIR)/psd/*.c)
+RANDOM_C        = $(wildcard $(DSPL_SRC_DIR)/randomgen/*.c)
+RESAMPLING_C    = $(wildcard $(DSPL_SRC_DIR)/resampling/*.c)
+SIGNALS_C       = $(wildcard $(DSPL_SRC_DIR)/signals/*.c)
+TYPES_C         = $(wildcard $(DSPL_SRC_DIR)/types/*.c)
+
+# DSPL OBJ list according to pathes
+ARRAY_O         = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(ARRAY_C:.c=.o)))
+CONV_O          = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(CONV_C:.c=.o)))
+DFT_O           = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(DFT_C:.c=.o)))
+FILTER_O        = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(FILTER_C:.c=.o)))
+GNUPLOT_O       = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(GNUPLOT_C:.c=.o)))
+INOUT_O         = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(INOUT_C:.c=.o)))
+MATH_ELLIPJ_O   = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(MATH_ELLIPJ_C:.c=.o)))
+MATH_MATRIX_O   = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(MATH_MATRIX_C:.c=.o)))
+MATH_POLY_O     = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(MATH_POLY_C:.c=.o)))
+MATH_STAT_O     = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(MATH_STAT_C:.c=.o)))
+MATH_STD_O      = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(MATH_STD_C:.c=.o)))
+PSD_O           = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(PSD_C:.c=.o)))
+RANDOM_O        = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(RANDOM_C:.c=.o)))
+RESAMPLING_O    = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(RESAMPLING_C:.c=.o)))
+SIGNALS_O       = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(SIGNALS_C:.c=.o)))
+TYPES_O         = $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(TYPES_C:.c=.o)))
+
+
+DSPL_OBJ_FILES  = $(ARRAY_O)\
+                  $(CONV_O)\
+                  $(DFT_O)\
+                  $(FILTER_O)\
+                  $(GNUPLOT_O)\
+                  $(INOUT_O)\
+                  $(MATH_ELLIPJ_O)\
+                  $(MATH_MATRIX_O)\
+                  $(MATH_POLY_O)\
+                  $(MATH_STAT_O)\
+                  $(MATH_STD_O)\
+                  $(PSD_O)\
+                  $(RANDOM_O)\
+                  $(RESAMPLING_O)\
+                  $(SIGNALS_O)\
+                  $(TYPES_O)\
+
 
 all: $(RELEASE_DIR)/$(LIB_NAME)\
      $(EXAMPLE_BIN_DIR)/$(LIB_NAME)\
@@ -22,8 +73,39 @@ $(RELEASE_DIR)/$(LIB_NAME): $(DSPL_OBJ_FILES)  $(BLAS_LIB_NAME) $(LAPACK_DOUBLE_
 
 
 #Compile libdspl obj files from c sources
-$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/%.c
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/array/%.c
 	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/convolution/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/dft/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/filter_design/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/gnuplot/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/inout/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/math_ellipj/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/math_matrix/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/math_poly/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/math_stat/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/math_std/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/psd/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/randomgen/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/resampling/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/signals/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/types/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+
 
 #Copy libdspl.dll to the examples "bin" folder 
 $(EXAMPLE_BIN_DIR)/$(LIB_NAME):$(RELEASE_DIR)/$(LIB_NAME)
diff --git a/dspl/Makefile.back b/dspl/Makefile.back
new file mode 100644
index 0000000..68c8465
--- /dev/null
+++ b/dspl/Makefile.back
@@ -0,0 +1,65 @@
+
+include ../make.inc
+
+# C-compiler flags
+CFLAGS  = -c -fPIC -Wall -O3 -I$(INC_DIR) -Isrc -DBUILD_LIB -D$(DEF_OS)
+
+# DSPL src and obj files list
+DSPL_SRC_FILES	= $(wildcard $(DSPL_SRC_DIR)/*.c)
+DSPL_OBJ_FILES	= $(addprefix $(DSPL_OBJ_DIR)/,$(notdir $(DSPL_SRC_FILES:.c=.o)))
+
+all: $(RELEASE_DIR)/$(LIB_NAME)\
+     $(EXAMPLE_BIN_DIR)/$(LIB_NAME)\
+     $(PERFORMANCE_BIN_DIR)/$(LIB_NAME)\
+     $(VERIFICATION_BIN_DIR)/$(LIB_NAME)\
+     $(RELEASE_DIR)/dspl.c\
+     $(RELEASE_DIR)/dspl.h
+
+#Build libdspl.dll or libdspl.so
+$(RELEASE_DIR)/$(LIB_NAME): $(DSPL_OBJ_FILES)  $(BLAS_LIB_NAME) $(LAPACK_DOUBLE_LIB_NAME) $(LAPACK_COMPLEX_LIB_NAME)
+	$(CC) -shared -o $(RELEASE_DIR)/$(LIB_NAME)  $(DSPL_OBJ_FILES) -lm  -L$(LAPACK_RELEASE_DIR) -llapack_complex -llapack_double -L$(BLAS_RELEASE_DIR) -lblas -lgfortran -lquadmath
+
+
+
+#Compile libdspl obj files from c sources
+$(DSPL_OBJ_DIR)/%.o:$(DSPL_SRC_DIR)/%.c
+	$(CC) $(CFLAGS)  $< -o $@ -lm 
+
+#Copy libdspl.dll to the examples "bin" folder 
+$(EXAMPLE_BIN_DIR)/$(LIB_NAME):$(RELEASE_DIR)/$(LIB_NAME)
+	cp $(RELEASE_DIR)/$(LIB_NAME) $(EXAMPLE_BIN_DIR)/$(LIB_NAME)
+
+#Copy libdspl.dll to the performance testing "bin" folder
+$(PERFORMANCE_BIN_DIR)/$(LIB_NAME):$(RELEASE_DIR)/$(LIB_NAME)
+	cp $(RELEASE_DIR)/$(LIB_NAME) $(PERFORMANCE_BIN_DIR)/$(LIB_NAME)
+
+#Copy libdspl.dll to the verification "bin" folder
+$(VERIFICATION_BIN_DIR)/$(LIB_NAME):$(RELEASE_DIR)/$(LIB_NAME)
+	cp $(RELEASE_DIR)/$(LIB_NAME) $(VERIFICATION_BIN_DIR)/$(LIB_NAME)
+
+#make BLAS library
+$(BLAS_LIB_NAME):
+	$(MAKE) -C blas
+
+#make LAPACK library for the real data
+$(LAPACK_DOUBLE_LIB_NAME):
+	$(MAKE) -C lapack
+
+#make LAPACK library for the complex data
+$(LAPACK_COMPLEX_LIB_NAME):
+	$(MAKE) -C lapack
+
+#Copy dspl.c source to the release folder 
+$(RELEASE_DIR)/dspl.c:
+	cp $(INC_DIR)/dspl.c $(RELEASE_DIR)/dspl.c
+
+#Copy dspl.h header to the release folder
+$(RELEASE_DIR)/dspl.h:
+	cp $(INC_DIR)/dspl.h $(RELEASE_DIR)/dspl.h
+
+
+clean:
+	rm -f   $(DSPL_OBJ_DIR)/*.o
+	rm -f   $(RELEASE_DIR)/*.a
+	rm -f   $(RELEASE_DIR)/*.def
+
diff --git a/dspl/src/array.c b/dspl/src/array.c
deleted file mode 100644
index b5d8c7a..0000000
--- a/dspl/src/array.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "array/array_scale_lin.c"
-#include "array/concat.c"
-#include "array/decimate.c"
-#include "array/decimate_cmplx.c"
-#include "array/find_nearest.c"
-#include "array/flipip.c"
-#include "array/flipip_cmplx.c"
-#include "array/linspace.c"
-#include "array/logspace.c"
-#include "array/ones.c"
-#include "array/sum.c"
-#include "array/sum_sqr.c"
-
-#include "array/verif.c"
-#include "array/verif_cmplx.c"
-
-
-
diff --git a/dspl/src/convolution.c b/dspl/src/convolution.c
deleted file mode 100644
index 29996d7..0000000
--- a/dspl/src/convolution.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "convolution/conv.c"
-#include "convolution/conv_cmplx.c"
-#include "convolution/conv_fft.c"
-#include "convolution/conv_fft_cmplx.c"
-#include "convolution/filter_iir.c"
\ No newline at end of file
diff --git a/dspl/src/dft.c b/dspl/src/dft.c
deleted file mode 100644
index 759b74e..0000000
--- a/dspl/src/dft.c
+++ /dev/null
@@ -1,53 +0,0 @@
-
-/*
-Discrete Fourier Transform Algorithms 
-*/
-#include "dft/dft.c"
-#include "dft/dft_cmplx.c"
-#include "dft/idft_cmplx.c"
-
-/* 
-Fast Fourier Transform Algrithms 
-*/
-#include "dft/fft.c"
-#include "dft/fft_abs.c"
-#include "dft/fft_abs_cmplx.c"
-#include "dft/fft_cmplx.c"
-#include "dft/fft_create.c"
-#include "dft/fft_free.c"
-#include "dft/fft_krn.c"
-#include "dft/fft_mag.c"
-#include "dft/fft_mag_cmplx.c"
-#include "dft/fft_shift.c"
-#include "dft/fft_shift_cmplx.c"
-#include "dft/fft_subkernel.c"
-#include "dft/ifft_cmplx.c"
-
-
-/* 
-Goertzel Algorithm
-*/
-#include "dft/goertzel.c"
-#include "dft/goertzel_cmplx.c"
-
-
-/* 
-Fourier Series and Fourier Intergral
-*/
-#include "dft/fourier_series_dec.c"
-#include "dft/fourier_series_dec_cmplx.c"
-#include "dft/fourier_integral_cmplx.c"
-#include "dft/fourier_series_rec.c"
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/dspl/src/filter_design.c b/dspl/src/filter_design.c
deleted file mode 100644
index 04e6a02..0000000
--- a/dspl/src/filter_design.c
+++ /dev/null
@@ -1,58 +0,0 @@
-
-
-/*
-FILTER_ANALYSIS_GROUP
-*/
-#include "filter_design/group_delay.c"
-#include "filter_design/filter_freq_resp.c"
-#include "filter_design/freqs.c"
-#include "filter_design/freqs_cmplx.c"
-#include "filter_design/freqs2time.c"
-#include "filter_design/freqz.c"
-#include "filter_design/phase_delay.c"
-
-
-
-/*
-Analog Normilized Prototypes
-*/
-#include "filter_design/butter_ap.c"
-#include "filter_design/butter_ap_zp.c"
-#include "filter_design/cheby1_ap.c"
-#include "filter_design/cheby1_ap_zp.c"
-#include "filter_design/cheby2_ap.c"
-#include "filter_design/cheby2_ap_wp1.c"
-#include "filter_design/cheby2_ap_zp.c"
-#include "filter_design/ellip_ap.c"
-#include "filter_design/ellip_ap_zp.c"
-#include "filter_design/filter_zp2ab.c"
-
-
-
-/* 
-Filters Frequency Transformation
-*/
-#include "filter_design/filter_ws1.c"
-#include "filter_design/low2bp.c"
-#include "filter_design/low2bs.c"
-#include "filter_design/low2high.c"
-#include "filter_design/low2low.c"
-#include "filter_design/ratcompos.c"
-
-
-/* 
-FIR design
-*/
-#include "filter_design/fir_linphase.c"
-
-
-/* 
-IIR design
-*/
-#include "filter_design/bilinear.c"
-#include "filter_design/iir.c"
-
-/* 
-window functions
-*/
-#include "filter_design/win.c"
\ No newline at end of file
diff --git a/dspl/src/gnuplot.c b/dspl/src/gnuplot.c
deleted file mode 100644
index 994f834..0000000
--- a/dspl/src/gnuplot.c
+++ /dev/null
@@ -1,5 +0,0 @@
-
-#include "gnuplot/gnuplot_close.c"
-#include "gnuplot/gnuplot_cmd.c"
-#include "gnuplot/gnuplot_create.c"
-#include "gnuplot/gnuplot_open.c"
\ No newline at end of file
diff --git a/dspl/src/inout.c b/dspl/src/inout.c
deleted file mode 100644
index b205620..0000000
--- a/dspl/src/inout.c
+++ /dev/null
@@ -1,23 +0,0 @@
-
-#include "inout/addlog.c"
-#include "inout/dspl_info.c"
-#include "inout/readbin.c"
-#include "inout/writebin.c"
-#include "inout/writetxt.c"
-#include "inout/writetxt_cmplx.c"
-#include "inout/writetxt_int.c"
-#include "inout/writetxt_3d.c"
-#include "inout/writetxt_3dline.c"
-#include "inout/writetxt_cmplx_re.c"
-#include "inout/writetxt_cmplx_im.c"
-
-#include "inout/verif_data_gen.c"
-#include "inout/verif_str.c"
-#include "inout/verif_str_cmplx.c"
-
-
-
-
-
-
-
diff --git a/dspl/src/math_ellipj.c b/dspl/src/math_ellipj.c
deleted file mode 100644
index a467ef7..0000000
--- a/dspl/src/math_ellipj.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include "math_ellipj/ellip_acd.c"
-#include "math_ellipj/ellip_acd_cmplx.c"
-#include "math_ellipj/ellip_asn.c"
-#include "math_ellipj/ellip_asn_cmplx.c"
-#include "math_ellipj/ellip_cd.c"
-#include "math_ellipj/ellip_cd_cmplx.c"
-#include "math_ellipj/ellip_landen.c"
-#include "math_ellipj/ellip_modulareq.c"
-#include "math_ellipj/ellip_rat.c"
-#include "math_ellipj/ellip_sn.c"
-#include "math_ellipj/ellip_sn_cmplx.c"
diff --git a/dspl/src/math_matrix.c b/dspl/src/math_matrix.c
deleted file mode 100644
index 41835d1..0000000
--- a/dspl/src/math_matrix.c
+++ /dev/null
@@ -1,20 +0,0 @@
-
-
-#include "math_matrix/matrix_eig_cmplx.c"
-#include "math_matrix/matrix_eye.c"
-#include "math_matrix/matrix_eye_cmplx.c"
-#include "math_matrix/matrix_mul.c"
-#include "math_matrix/matrix_pinv.c"
-#include "math_matrix/matrix_print.c"
-#include "math_matrix/matrix_print_cmplx.c"
-#include "math_matrix/matrix_svd.c"
-#include "math_matrix/matrix_transpose.c"
-#include "math_matrix/matrix_transpose_cmplx.c"
-#include "math_matrix/matrix_transpose_hermite.c"
-#include "math_matrix/vector_dot.c"
-
-
-
-
-
-
diff --git a/dspl/src/math_poly.c b/dspl/src/math_poly.c
deleted file mode 100644
index eac513d..0000000
--- a/dspl/src/math_poly.c
+++ /dev/null
@@ -1,10 +0,0 @@
-
-
-#include "math_poly/poly_z2a_cmplx.c"
-#include "math_poly/polyroots.c"
-#include "math_poly/polyval.c"
-#include "math_poly/polyval_cmplx.c"
-
-
-#include "math_poly/cheby_poly1.c"
-#include "math_poly/cheby_poly2.c"
diff --git a/dspl/src/math_stat.c b/dspl/src/math_stat.c
deleted file mode 100644
index 4c5d406..0000000
--- a/dspl/src/math_stat.c
+++ /dev/null
@@ -1,11 +0,0 @@
-
-#include "math_stat/find_max_abs.c"
-#include "math_stat/histogram.c"
-#include "math_stat/histogram_norm.c"
-#include "math_stat/mean.c"
-#include "math_stat/mean_cmplx.c"
-#include "math_stat/minmax.c"
-#include "math_stat/stat_std.c"
-#include "math_stat/stat_std_cmplx.c"
-
-#include "math_stat/xcorr.c"
\ No newline at end of file
diff --git a/dspl/src/math_std.c b/dspl/src/math_std.c
deleted file mode 100644
index 27ab837..0000000
--- a/dspl/src/math_std.c
+++ /dev/null
@@ -1,24 +0,0 @@
-
-
-#include "math_std/acos_cmplx.c"
-#include "math_std/asin_cmplx.c"
-#include "math_std/bessel_i0.c"
-#include "math_std/dmod.c"
-#include "math_std/cos_cmplx.c"
-#include "math_std/log_cmplx.c"
-#include "math_std/sin_cmplx.c"
-#include "math_std/sinc.c"
-#include "math_std/sine_int.c"
-#include "math_std/sqrt_cmplx.c"
-
-
-/* 
-Numerical integration 
-*/
-#include "math_std/trapint.c"
-#include "math_std/trapint_cmplx.c"
-
-/* 
-unwrap algorithm 
-*/
-#include "math_std/unwrap.c"
\ No newline at end of file
diff --git a/dspl/src/psd.c b/dspl/src/psd.c
deleted file mode 100644
index aa7f984..0000000
--- a/dspl/src/psd.c
+++ /dev/null
@@ -1,22 +0,0 @@
-
-
-
-#include "psd/psd_bartlett.c"
-#include "psd/psd_bartlett_cmplx.c"
-#include "psd/psd_periodogram.c"
-#include "psd/psd_periodogram_cmplx.c"
-#include "psd/psd_welch.c"
-#include "psd/psd_welch_cmplx.c"
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/dspl/src/randomgen.c b/dspl/src/randomgen.c
deleted file mode 100644
index 36be580..0000000
--- a/dspl/src/randomgen.c
+++ /dev/null
@@ -1,17 +0,0 @@
-
-#include "randomgen/mt19937.c"
-#include "randomgen/randb.c"
-#include "randomgen/randb2.c"
-#include "randomgen/randi.c"
-#include "randomgen/randn.c"
-#include "randomgen/randn_cmplx.c"
-#include "randomgen/random_init.c"
-#include "randomgen/randu.c"
-#include "randomgen/randu_mrg32k3a.c"
-
-
-
-
-
-
-
diff --git a/dspl/src/resampling.c b/dspl/src/resampling.c
deleted file mode 100644
index 0ba4f8b..0000000
--- a/dspl/src/resampling.c
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-
-
-#include "resampling/farrow_lagrange.c"
-#include "resampling/farrow_spline.c"
\ No newline at end of file
diff --git a/dspl/src/signals.c b/dspl/src/signals.c
deleted file mode 100644
index df3f7c0..0000000
--- a/dspl/src/signals.c
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-#include "signals/signal_pimp.c"
-#include "signals/signal_saw.c"
-
-
diff --git a/dspl/src/types.c b/dspl/src/types.c
deleted file mode 100644
index 82869f6..0000000
--- a/dspl/src/types.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "types/cmplx2re.c"
-#include "types/re2cmplx.c"
\ No newline at end of file
diff --git a/examples/src/contour_test.c b/examples/src/contour_test.c
index bb01fa2..8612e65 100644
--- a/examples/src/contour_test.c
+++ b/examples/src/contour_test.c
@@ -9,8 +9,8 @@
 
 typedef double    point2d_t[2];
 typedef point2d_t linseg_t[2];
- 
- 
+
+
 int add_linseg(linseg_t** ls, int* lsnum, int* lscnt, point2d_t* p0, point2d_t* p1)
 {
 	int n, c;