Initial commitmain

14 files changed, 105 insertions, 0 deletions

diff --git a/math/abs.c b/math/abs.c
new file mode 100644
index 0000000..1bb7355
--- /dev/null
+++ b/math/abs.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+extern int abs(int n) { return n < 0 ? -n : n; }
diff --git a/math/div.c b/math/div.c
new file mode 100644
index 0000000..a97a19d
--- /dev/null
+++ b/math/div.c
@@ -0,0 +1,7 @@
+#include "maths.h"
+
+div_t div(int numerator, int denominator)
+{
+	return (div_t){.quot = numerator / denominator,
+		       .rem = numerator % denominator};
+}
diff --git a/math/fabs.c b/math/fabs.c
new file mode 100644
index 0000000..8a4adf3
--- /dev/null
+++ b/math/fabs.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+double fabs(double n) { return n < 0 ? -n : n; }
diff --git a/math/fabsf.c b/math/fabsf.c
new file mode 100644
index 0000000..c783069
--- /dev/null
+++ b/math/fabsf.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+float fabsf(float n) { return n < 0 ? -n : n; }
diff --git a/math/fabsl.c b/math/fabsl.c
new file mode 100644
index 0000000..5390e69
--- /dev/null
+++ b/math/fabsl.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+long double fabsl(long double n) { return n < 0 ? -n : n; }
diff --git a/math/imaxabs.c b/math/imaxabs.c
new file mode 100644
index 0000000..3f6c630
--- /dev/null
+++ b/math/imaxabs.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+extern intmax_t imaxabs(intmax_t n) { return n < 0 ? -n : n; }
diff --git a/math/imaxdiv.c b/math/imaxdiv.c
new file mode 100644
index 0000000..52b5d39
--- /dev/null
+++ b/math/imaxdiv.c
@@ -0,0 +1,7 @@
+#include "maths.h"
+
+imaxdiv_t imaxdiv(intmax_t numerator, intmax_t denominator)
+{
+	return (imaxdiv_t){.quot = numerator / denominator,
+			   .rem = numerator % denominator};
+}
diff --git a/math/labs.c b/math/labs.c
new file mode 100644
index 0000000..cf2cae8
--- /dev/null
+++ b/math/labs.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+extern long labs(long n) { return n < 0 ? -n : n; }
diff --git a/math/ldiv.c b/math/ldiv.c
new file mode 100644
index 0000000..c45a6e6
--- /dev/null
+++ b/math/ldiv.c
@@ -0,0 +1,7 @@
+#include "maths.h"
+
+ldiv_t ldiv(long numerator, long denominator)
+{
+	return (ldiv_t){.quot = numerator / denominator,
+			.rem = numerator % denominator};
+}
diff --git a/math/llabs.c b/math/llabs.c
new file mode 100644
index 0000000..0a8bd2f
--- /dev/null
+++ b/math/llabs.c
@@ -0,0 +1,3 @@
+#include "maths.h"
+
+extern long long llabs(long long n) { return n < 0 ? -n : n; }
diff --git a/math/lldiv.c b/math/lldiv.c
new file mode 100644
index 0000000..3a9008c
--- /dev/null
+++ b/math/lldiv.c
@@ -0,0 +1,7 @@
+#include "maths.h"
+
+lldiv_t lldiv(long long numerator, long long denominator)
+{
+	return (lldiv_t){.quot = numerator / denominator,
+			 .rem = numerator % denominator};
+}
diff --git a/math/maths.h b/math/maths.h
new file mode 100644
index 0000000..c330d0c
--- /dev/null
+++ b/math/maths.h
@@ -0,0 +1,41 @@
+#if !defined(MATH_H)
+	#define MATH_H
+
+	#include <stdint.h>
+
+extern int abs(int n);
+extern long labs(long n);
+extern long long llabs(long long n);
+extern intmax_t imaxabs(intmax_t n);
+extern float fabsf(float n);
+extern double fabs(double n);
+extern long double fabsl(long double n);
+
+	#if __STDC_HOSTED__ == 1
+		#include <inttypes.h>
+		#include <stdlib.h>
+	#else
+
+typedef struct {
+	int quot, rem;
+} div_t;
+
+typedef struct {
+	long quot, rem;
+} ldiv_t;
+
+typedef struct {
+	long long quot, rem;
+} lldiv_t;
+
+typedef struct {
+	intmax_t quot, rem;
+} imaxdiv_t;
+	#endif
+
+extern div_t div(int numerator, int denominator);
+extern ldiv_t ldiv(long numerator, long denominator);
+extern lldiv_t lldiv(long long numerator, long long denominator);
+extern imaxdiv_t imaxdiv(intmax_t numerator, intmax_t denominator);
+
+#endif
diff --git a/math/meson.build b/math/meson.build
new file mode 100644
index 0000000..a1f9227
--- /dev/null
+++ b/math/meson.build
@@ -0,0 +1,13 @@
+sources += files(
+'abs.c',
+'div.c',
+'fabs.c',
+'fabsf.c',
+'fabsl.c',
+'imaxabs.c',
+'labs.c',
+'ldiv.c',
+'imaxdiv.c',
+'llabs.c',
+'lldiv.c'
+)
diff --git a/math/wrap/meson.build b/math/wrap/meson.build
new file mode 100644
index 0000000..fcf4a29
--- /dev/null
+++ b/math/wrap/meson.build
@@ -0,0 +1,2 @@
+sources += files(
+)