Changeset 58775d30 in mainline for uspace/lib/math/generic/trig.c

Timestamp:

2015-03-16T16:07:21Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2003739

Parents:

6069061 (diff), 795e2bf (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Mainline changes

File:

• uspace/lib/math/generic/trig.c (modified) (9 diffs)

uspace/lib/math/generic/trig.c

@@ -39 +39 @@
 
 /** Precomputed values for factorial (starting from 1!) */
-static double factorials[TAYLOR_DEGREE] = {
+static float64_t factorials[TAYLOR_DEGREE] = {
         1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800,
         479001600, 6227020800
@@ -56 +56 @@
  *
  */
-static double taylor_sin(double arg)
-{
-        double ret = 0;
-        double nom = 1;
+static float64_t taylor_sin(float64_t arg)
+{
+        float64_t ret = 0;
+        float64_t nom = 1;
         
         for (unsigned int i = 0; i < TAYLOR_DEGREE; i++) {
@@ -85 +85 @@
  *
  */
-static double taylor_cos(double arg)
-{
-        double ret = 1;
-        double nom = 1;
+static float64_t taylor_cos(float64_t arg)
+{
+        float64_t ret = 1;
+        float64_t nom = 1;
         
         for (unsigned int i = 0; i < TAYLOR_DEGREE; i++) {
@@ -114 +114 @@
  *
  */
-static double base_sin(double arg)
+static float64_t base_sin(float64_t arg)
 {
         unsigned int period = arg / (M_PI / 4);
@@ -147 +147 @@
  *
  */
-static double base_cos(double arg)
+static float64_t base_cos(float64_t arg)
 {
         unsigned int period = arg / (M_PI / 4);
@@ -156 +156 @@
         case 1:
         case 2:
-                return taylor_sin(arg - M_PI / 2);
+                return -taylor_sin(arg - M_PI / 2);
         case 3:
         case 4:
@@ -162 +162 @@
         case 5:
         case 6:
-                return -taylor_sin(arg - 3 * M_PI / 2);
+                return taylor_sin(arg - 3 * M_PI / 2);
         default:
                 return taylor_cos(arg - 2 * M_PI);
@@ -177 +177 @@
  *
  */
-double double_sin(double arg)
-{
-        double base_arg = fmod(arg, 2 * M_PI);
+float64_t float64_sin(float64_t arg)
+{
+        float64_t base_arg = fmod(arg, 2 * M_PI);
         
         if (base_arg < 0)
@@ -196 +196 @@
  *
  */
-double double_cos(double arg)
-{
-        double base_arg = fmod(arg, 2 * M_PI);
+float64_t float64_cos(float64_t arg)
+{
+        float64_t base_arg = fmod(arg, 2 * M_PI);
         
         if (base_arg < 0)