VIDEO: Changed several places that use PI to use M_PI instead

scummvm · Mar 19, 2011 · 19d3972 · 19d3972
1 parent 0eb2c47
commit 19d3972
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/video/codecs/qdm2.cpp b/video/codecs/qdm2.cpp
@@ -448,7 +448,7 @@ float *ff_cos_tabs[] = {
 
 void initCosineTables(int index) {
 	int m = 1 << index;
-	double freq = 2 * PI / m;
+	double freq = 2 * M_PI / m;
 	float *tab = ff_cos_tabs[index];
 
 	for (int i = 0; i <= m / 4; i++)
@@ -776,7 +776,7 @@ int fftInit(FFTContext *s, int nbits, int inverse) {
 		s->tmpBuf = (FFTComplex *)malloc(n * sizeof(FFTComplex));
 	} else {
 		for (i = 0; i < n / 2; i++) {
-			alpha = 2 * PI * (float)i / (float)n;
+			alpha = 2 * M_PI * (float)i / (float)n;
 			c1 = cos(alpha);
 			s1 = sin(alpha) * s2;
 			s->exptab[i].re = c1;
@@ -814,7 +814,7 @@ int fftInit(FFTContext *s, int nbits, int inverse) {
  */
 int rdftInit(RDFTContext *s, int nbits, RDFTransformType trans) {
 	int n = 1 << nbits;
-	const double theta = (trans == RDFT || trans == IRIDFT ? -1 : 1) * 2 * PI / n;
+	const double theta = (trans == RDFT || trans == IRIDFT ? -1 : 1) * 2 * M_PI / n;
 
 	s->nbits = nbits;
 	s->inverse = trans == IRDFT || trans == IRIDFT;
@@ -3009,7 +3009,7 @@ void QDM2Stream::qdm2_fft_generate_tone(FFTTone *tone)
 	float level, f[6];
 	int i;
 	QDM2Complex c;
-	const double iscale = 2.0 * PI / 512.0;
+	const double iscale = 2.0 * M_PI / 512.0;
 
 	tone->phase += tone->phase_shift;
 
@@ -3050,7 +3050,7 @@ void QDM2Stream::qdm2_fft_generate_tone(FFTTone *tone)
 
 void QDM2Stream::qdm2_fft_tone_synthesizer(uint8 sub_packet) {
 	int i, j, ch;
-	const double iscale = 0.25 * PI;
+	const double iscale = 0.25 * M_PI;
 
 	for (ch = 0; ch < _channels; ch++) {
 		memset(_fft.complex[ch], 0, _frameSize * sizeof(QDM2Complex));