From 479a52795526a5ad6628e37d9614dee5e32dc773 Mon Sep 17 00:00:00 2001 From: Derek Buitenhuis Date: Tue, 15 Jan 2013 16:09:00 -0500 Subject: cos_tablegen: Don't use lrint You cannot count on it being present on all systems, and you cannot include libm.h in a host tool, so just hard code a baseline implementation. Signed-off-by: Derek Buitenhuis --- libavcodec/cos_tablegen.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'libavcodec/cos_tablegen.c') diff --git a/libavcodec/cos_tablegen.c b/libavcodec/cos_tablegen.c index 8a9085704e..9cf9cef6aa 100644 --- a/libavcodec/cos_tablegen.c +++ b/libavcodec/cos_tablegen.c @@ -37,11 +37,16 @@ static int clip_f15(int v) static void printval(double val, int fixed) { - if (fixed) - printf(" "FIXEDFMT",", clip_f15(lrint(val * (double)(1<<15)))); - else - printf(" "FLOATFMT",", val); + if (fixed) { + /* lrint() isn't always available, so round and cast manually. */ + double new_val = val * (double) (1 << 15); + + new_val = new_val >= 0 ? floor(new_val + 0.5) : ceil(new_val - 0.5); + printf(" "FIXEDFMT",", clip_f15((long int) new_val)); + } else { + printf(" "FLOATFMT",", val); + } } int main(int argc, char *argv[]) -- cgit v1.2.3