TonBERRY/micropython
3
0
Fork 0
Code Pull Requests Activity

py and libm: Add asinf,acosf; print higher precision for float.

Browse Source 
Also use less stack space when printing single precision float.

Addition of asinf and acosf addresses issue #851.
This commit is contained in:
Damien George
2014-09-11 22:24:45 +01:00
parent 953074315e
commit 20beff9ae3
5 changed files with 148 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
py/objcomplex.c
View File

@@ -25,6 +25,7 @@
*/
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include "mpconfig.h"
@@ -55,21 +56,26 @@ mp_obj_t mp_obj_new_complex(mp_float_t real, mp_float_t imag);
STATIC void complex_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
mp_obj_complex_t *o = o_in;
#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
char buf[32];
char buf[16];
if (o->real == 0) {
format_float(o->imag, buf, sizeof(buf), 'g', 6, '\0');
format_float(o->imag, buf, sizeof(buf), 'g', 7, '\0');
print(env, "%sj", buf);
} else {
format_float(o->real, buf, sizeof(buf), 'g', 6, '\0');
format_float(o->real, buf, sizeof(buf), 'g', 7, '\0');
print(env, "(%s+", buf);
format_float(o->imag, buf, sizeof(buf), 'g', 6, '\0');
format_float(o->imag, buf, sizeof(buf), 'g', 7, '\0');
print(env, "%sj)", buf);
}
#else
char buf[32];
if (o->real == 0) {
print(env, "%.8gj", (double) o->imag);
sprintf(buf, "%.16g", (double)o->imag);
print(env, "%sj", buf);
} else {
print(env, "(%.8g+%.8gj)", (double) o->real, (double) o->imag);
sprintf(buf, "%.16g", (double)o->real);
print(env, "(%s+", buf);
sprintf(buf, "%.16g", (double)o->imag);
print(env, "%sj)", buf);
}
#endif
}