Update Files

Kha/Kinc/Sources/kinc/math/core.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include <kinc/global.h>
+
+/*! \file core.h
+    \brief Just a few very simple additions to math.h
+   the C-lib.
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define KINC_PI 3.141592654
+#define KINC_TAU 6.283185307
+
+KINC_FUNC float kinc_cot(float x);
+KINC_FUNC float kinc_round(float value);
+KINC_FUNC float kinc_abs(float value);
+KINC_FUNC float kinc_min(float a, float b);
+KINC_FUNC float kinc_max(float a, float b);
+KINC_FUNC int kinc_mini(int a, int b);
+KINC_FUNC int kinc_maxi(int a, int b);
+KINC_FUNC float kinc_clamp(float value, float minValue, float maxValue);
+
+#ifdef KINC_IMPLEMENTATION_MATH
+#define KINC_IMPLEMENTATION
+#endif
+
+#ifdef KINC_IMPLEMENTATION
+
+#include <math.h>
+
+float kinc_cot(float x) {
+	return cosf(x) / sinf(x);
+}
+
+float kinc_round(float value) {
+	return floorf(value + 0.5f);
+}
+
+float kinc_abs(float value) {
+	return value < 0 ? -value : value;
+}
+
+float kinc_min(float a, float b) {
+	return a > b ? b : a;
+}
+
+float kinc_max(float a, float b) {
+	return a > b ? a : b;
+}
+
+int kinc_mini(int a, int b) {
+	return a > b ? b : a;
+}
+
+int kinc_maxi(int a, int b) {
+	return a > b ? a : b;
+}
+
+float kinc_clamp(float value, float minValue, float maxValue) {
+	return kinc_max(minValue, kinc_min(maxValue, value));
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif