clean up compilation of C example

C/samples/build-and-run.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-root="$1"
-gcc -std=c99 -Wall -lm "$root".c -o "$root" -I/usr/local/include -L/usr/local/lib -lgsl -lgslcblas -lm -g
-
-# Link libraries, for good measure
-LD_LIBRARY_PATH=/usr/local/lib
-export LD_LIBRARY_PATH
-
-# Increase stack size limit
-ulimit -Ss 256000
-# -Ss: the soft limit. If you set the hard limit, you then can't raise it
-# 256000: around 250Mbs, if I'm reading it correctly.
-
-# run
-./samples

C/samples/build-gsl.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-root="$1"
-gcc -std=c99 -Wall -lm "$root".c -o "$root" -I/usr/local/include -L/usr/local/lib -lgsl -lgslcblas -lm -g
-
-# Link libraries, for good measure
-LD_LIBRARY_PATH=/usr/local/lib
-export LD_LIBRARY_PATH
-
-# Increase stack size limit
-ulimit -Ss 256000
-# -Ss: the soft limit. If you set the hard limit, you then can't raise it
-# 256000: around 250Mbs, if I'm reading it correctly.
-

C/samples/makefile

@@ -0,0 +1,50 @@
+# Interface: 
+#   make
+#   make build
+#   make format
+#   make run
+
+# Compiler
+CC=gcc
+# CC=tcc # <= faster compilation
+
+# Main file
+SRC=samples.c
+OUTPUT=samples
+
+## Dependencies
+DEPS='gsl'
+
+## Flags
+INCS=`pkg-config --cflags ${DEPS}`
+LIBS=`pkg-config --libs ${DEPS}`
+DEBUG= #'-g'
+STANDARD=-std=c99
+WARNINGS=-Wall
+
+## Formatter
+STYLE_BLUEPRINT=webkit
+FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
+
+## make build
+build: $(SRC)
+	$(CC) $(DEBUG) $(INCS) $(PLUGS) $(SRC) -o samples $(LIBS)
+
+format: $(SRC)
+	$(FORMATTER) $(SRC)
+
+run: $(SRC) $(OUTPUT)
+	echo "Increasing stack size limit, because we are dealing with 1M samples"
+	ulimit -Ss 256000
+	# ^ Increase stack size limit
+	# -Ss: the soft limit. If you set the hard limit, you then can't raise it
+	# 256000: around 250Mbs, if I'm reading it correctly.
+	./$(OUTPUT)
+
+
+
+# Old:
+# Link libraries, for good measure
+# LD_LIBRARY_PATH=/usr/local/lib
+# export LD_LIBRARY_PATH
+

C/samples/samples.c

@@ -1,8 +1,8 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <gsl/gsl_rng.h>
 #include <gsl/gsl_randist.h>
+#include <gsl/gsl_rng.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
 
 #define N 1000000
 /* 
@@ -12,20 +12,23 @@
 */
 
 /* Helpers */
-void print(double *ys){
+void print(double* ys)
+{
     for (int i = 0; i < N; i++) {
         printf("%f\n", ys[i]);
     }
     printf("\n");
 }
 
-void fill(double *ys, float f){
+void fill(double* ys, float f)
+{
     for (int i = 0; i < N; i++) {
         ys[i] = f;
     }
 }
 
-double sum(double *ps, int n){
+double sum(double* ps, int n)
+{
     double result = 0;
     for (int i = 0; i < n; i++) {
         result += ps[i];
@@ -33,7 +36,8 @@ double sum(double *ps, int n){
     return (result);
 }
 
-void cumsum(double *ps, double *rs, int n){
+void cumsum(double* ps, double* rs, int n)
+{
     double counter = 0;
     for (int i = 0; i < n; i++) {
         counter += ps[i];
@@ -42,19 +46,22 @@ void cumsum(double *ps, double *rs, int n){
 }
 
 /* Distributions*/
-void normal(gsl_rng * r, double *ys, double mean, double std){
+void normal(gsl_rng* r, double* ys, double mean, double std)
+{
     for (int i = 0; i < N; i++) {
         ys[i] = mean + gsl_ran_gaussian(r, std);
     }
 }
 
-void lognormal(gsl_rng * r, double *ys, double zeta, double sigma){
+void lognormal(gsl_rng* r, double* ys, double zeta, double sigma)
+{
     for (int i = 0; i < N; i++) {
         ys[i] = gsl_ran_lognormal(r, zeta, sigma);
     }
 }
 
-void to(gsl_rng * r, double *ys, double low, double high){
+void to(gsl_rng* r, double* ys, double low, double high)
+{
     double normal95confidencePoint = 1.6448536269514722;
     double log_low = log(low);
     double log_high = log(high);
@@ -64,7 +71,8 @@ void to(gsl_rng * r, double *ys, double low, double high){
 }
 
 /* Mixture of distributions */
-void mixture(gsl_rng * r, double *dists[], double *weights, int n, double *results){
+void mixture(gsl_rng* r, double* dists[], double* weights, int n, double* results)
+{
     /* Get cummulative, normalized weights */
     double sum_weights = sum(weights, n);
     double normalized_weights[n];
@@ -101,7 +109,8 @@ void mixture(gsl_rng * r, double *dists[], double *weights, int n, double *resul
 }
 
 /* Main */
-int main(void){
+int main(void)
+{
     /* Initialize GNU Statistical Library (GSL) stuff */
     const gsl_rng_type* T;
     gsl_rng* r;