initial commit

floats.hpp

@@ -0,0 +1,106 @@
+#pragma once
+#include <cmath>
+#include <types.hpp>
+
+namespace ircolib {
+static inline auto roundCeil(float f) {
+#ifdef SIMD_SUPPORT
+  __m128 t = _mm_set_ss(f);
+  t = _mm_round_ss(t, t, _MM_FROUND_TO_POS_INF);
+  return _mm_cvtss_f32(t);
+#else
+  return ceilf(f);
+#endif
+}
+
+static inline auto roundCeil(double f) {
+#ifdef SIMD_SUPPORT
+  __m128d t = _mm_set_sd(f);
+  t = _mm_round_sd(t, t, _MM_FROUND_TO_POS_INF);
+  return _mm_cvtsd_f64(t);
+#else
+  return ceil(f);
+#endif
+}
+
+static inline auto roundNearest(float f) {
+#ifdef SIMD_SUPPORT
+  __m128 t = _mm_set_ss(f);
+  t = _mm_round_ss(t, t, _MM_FROUND_TO_NEAREST_INT);
+  return _mm_cvtss_f32(t);
+#else
+  return roundf(f);
+#endif
+}
+
+static inline auto roundNearest(double f) {
+#ifdef SIMD_SUPPORT
+  __m128d t = _mm_set_sd(f);
+  t = _mm_round_sd(t, t, _MM_FROUND_TO_NEAREST_INT);
+  return _mm_cvtsd_f64(t);
+#else
+  return round(f);
+#endif
+}
+
+static inline auto roundCurrent(float f) {
+#ifdef SIMD_SUPPORT
+  auto t = _mm_set_ss(f);
+  t = _mm_round_ss(t, t, _MM_FROUND_CUR_DIRECTION);
+  return _mm_cvtss_f32(t);
+#else
+  return rint(f);
+#endif
+}
+
+static inline auto roundCurrent(double f) {
+#ifdef SIMD_SUPPORT
+  auto t = _mm_set_sd(f);
+  t = _mm_round_sd(t, t, _MM_FROUND_CUR_DIRECTION);
+  return _mm_cvtsd_f64(t);
+#else
+  return rint(f);
+#endif
+}
+
+
+static inline auto roundFloor(float f) {
+#ifdef SIMD_SUPPORT
+  __m128 t = _mm_set_ss(f);
+  t = _mm_round_ss(t, t, _MM_FROUND_TO_NEG_INF);
+  return _mm_cvtss_f32(t);
+#else
+  return floor(f);
+#endif
+}
+
+static inline auto roundFloor(double f) {
+#ifdef SIMD_SUPPORT
+  __m128d t = _mm_set_sd(f);
+  t = _mm_round_sd(t, t, _MM_FROUND_TO_NEG_INF);
+  return _mm_cvtsd_f64(t);
+#else
+  return floor(f);
+#endif
+}
+
+static inline auto roundTrunc(float f) {
+#ifdef SIMD_SUPPORT
+  __m128 t = _mm_set_ss(f);
+  t = _mm_round_ss(t, t, _MM_FROUND_TO_ZERO);
+  return _mm_cvtss_f32(t);
+#else
+  return trunc(f);
+#endif
+}
+
+static inline auto roundTrunc(double f) {
+#ifdef SIMD_SUPPORT
+  __m128d t = _mm_set_sd(f);
+  t = _mm_round_sd(t, t, _MM_FROUND_TO_ZERO);
+  return _mm_cvtsd_f64(t);
+#else
+  return trunc(f);
+#endif
+}
+} // namespace Util