Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-02-07 06:00:30 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Add my_isnanorinf.

Browse Source
This commit is contained in:
Henrik Rydgard 2013-11-12 13:38:14 +01:00
parent 21b63f56ff
commit 726471f665
2 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
android/project.properties
View File

@ -11,5 +11,5 @@
#proguard.config=${sdk.dir}\tools\proguard\proguard-android.txt:proguard-project.txt
# Project target.
target=android-17
target=android-19
android.library=true

10
math/math_util.h
View File

@ -105,6 +105,16 @@ inline bool my_isnan(float f) {
return ((f2u.u & 0x7F800000) == 0x7F800000) && (f2u.u & 0x7FFFFF);
}
inline bool my_isnanorinf(float f) {
union {
float f;
uint32_t u;
} f2u;
f2u.f = f;
// NaNs have non-zero mantissa, infs have zero mantissa. That is, we just ignore the mantissa here.
return ((f2u.u & 0x7F800000) == 0x7F800000);
}
inline int is_even(float d) {
float int_part;
modff(d / 2.0f, &int_part);