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author | Benjamin Chausse <benjamin@chausse.xyz> | 2022-09-29 16:42:58 -0400 |
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committer | Benjamin Chausse <benjamin@chausse.xyz> | 2022-09-29 16:42:58 -0400 |
commit | eae5d5b8d55f5da69eea990e68497dbc0e74c9f3 (patch) | |
tree | 4dc2346c652db653320e27054a69c3aa8aa790af /cosine.c | |
parent | e8364e95ee1b38e49af29a2aa1338b3d978411f0 (diff) |
Fix sine and cosine by increasing presicion
Diffstat (limited to 'cosine.c')
-rw-r--r-- | cosine.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -11,10 +11,10 @@ #include "format.h" #include "testData.h" -float cos(float input, int precision){ - float ttl = 1; +double cos(double input, int precision){ + double ttl = 1; int denom = 1; - float num; + double num; for (int i=2;i<=(2*precision);i+=2){ num = mpow(input,i); denom *= i*(i-1); @@ -25,8 +25,8 @@ float cos(float input, int precision){ } int main(){ - const int precision = 16; - const float threshold = 1e-4; + const int precision = 20; + const double threshold = 1e-4; for (int i=0; i<COUNT_OF(piValues);i++){ if ( abs(piValues[i][2]-cos(piValues[i][0],precision))>threshold ){ |